./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label42.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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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 0543a7f62c421ec223229fb3e2bfbf903aa6057da67580bb11646235be2c5e7e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:29,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:29,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:29,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:29,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:29,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:29,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:29,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:29,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:29,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:29,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:29,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:29,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:29,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:29,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:29,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:29,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:29,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:29,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:29,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:29,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:29,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:29,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:29,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:29,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:29,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:29,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:29,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:29,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:29,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:29,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:29,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:29,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:29,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:29,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:29,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:29,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:29,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:29,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:29,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:29,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:29,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:29,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:29,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:29,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:29,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:29,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:29,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:29,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:29,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:29,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:29,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:29,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:29,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:29,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:29,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:29,961 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:29,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:29,961 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:29,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:29,962 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:29,962 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:29,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:29,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:29,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:29,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:29,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:29,964 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:29,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:29,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:29,964 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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0543a7f62c421ec223229fb3e2bfbf903aa6057da67580bb11646235be2c5e7e [2021-11-23 15:58:30,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:30,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:30,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:30,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:30,310 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:30,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label42.c [2021-11-23 15:58:30,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data/41d98b501/c1bf5934e79449a5b85a5c738f06d9fb/FLAG8d0bcb207 [2021-11-23 15:58:31,321 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:31,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/sv-benchmarks/c/eca-rers2012/Problem13_label42.c [2021-11-23 15:58:31,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data/41d98b501/c1bf5934e79449a5b85a5c738f06d9fb/FLAG8d0bcb207 [2021-11-23 15:58:31,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data/41d98b501/c1bf5934e79449a5b85a5c738f06d9fb [2021-11-23 15:58:31,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:31,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:31,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:31,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:31,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:31,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:31,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276f7b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31, skipping insertion in model container [2021-11-23 15:58:31,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:31,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:31,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:32,332 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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/sv-benchmarks/c/eca-rers2012/Problem13_label42.c[9228,9241] [2021-11-23 15:58:33,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:33,551 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:33,614 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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/sv-benchmarks/c/eca-rers2012/Problem13_label42.c[9228,9241] [2021-11-23 15:58:34,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:34,348 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:34,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34 WrapperNode [2021-11-23 15:58:34,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:34,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:34,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:34,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:34,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:34,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:35,121 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5583 [2021-11-23 15:58:35,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:35,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:35,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:35,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:35,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:35,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:35,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:35,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:35,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:35,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:35,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:36,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:36,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:36,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:36,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:36,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:36,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:36,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:36,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:36,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:36,265 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:36,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:42,097 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:42,167 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 15:58:42,173 INFO L158 Benchmark]: Toolchain (without parser) took 10371.51ms. Allocated memory was 94.4MB in the beginning and 813.7MB in the end (delta: 719.3MB). Free memory was 56.4MB in the beginning and 465.6MB in the end (delta: -409.2MB). Peak memory consumption was 323.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:42,173 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:42,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2547.00ms. Allocated memory was 94.4MB in the beginning and 203.4MB in the end (delta: 109.1MB). Free memory was 56.4MB in the beginning and 129.7MB in the end (delta: -73.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:42,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 771.16ms. Allocated memory is still 203.4MB. Free memory was 129.7MB in the beginning and 69.8MB in the end (delta: 59.8MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:42,179 INFO L158 Benchmark]: Boogie Preprocessor took 948.47ms. Allocated memory was 203.4MB in the beginning and 406.8MB in the end (delta: 203.4MB). Free memory was 69.8MB in the beginning and 232.1MB in the end (delta: -162.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:42,180 INFO L158 Benchmark]: RCFGBuilder took 6097.91ms. Allocated memory was 406.8MB in the beginning and 813.7MB in the end (delta: 406.8MB). Free memory was 232.1MB in the beginning and 465.6MB in the end (delta: -233.6MB). Peak memory consumption was 189.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:42,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2547.00ms. Allocated memory was 94.4MB in the beginning and 203.4MB in the end (delta: 109.1MB). Free memory was 56.4MB in the beginning and 129.7MB in the end (delta: -73.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 771.16ms. Allocated memory is still 203.4MB. Free memory was 129.7MB in the beginning and 69.8MB in the end (delta: 59.8MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 948.47ms. Allocated memory was 203.4MB in the beginning and 406.8MB in the end (delta: 203.4MB). Free memory was 69.8MB in the beginning and 232.1MB in the end (delta: -162.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 6097.91ms. Allocated memory was 406.8MB in the beginning and 813.7MB in the end (delta: 406.8MB). Free memory was 232.1MB in the beginning and 465.6MB in the end (delta: -233.6MB). Peak memory consumption was 189.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:42,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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 0543a7f62c421ec223229fb3e2bfbf903aa6057da67580bb11646235be2c5e7e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:44,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:44,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:44,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:44,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:44,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:44,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:44,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:44,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:44,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:44,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:44,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:44,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:44,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:44,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:44,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:44,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:44,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:44,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:44,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:44,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:44,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:44,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:44,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:44,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:44,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:44,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:44,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:44,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:44,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:44,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:44,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:44,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:44,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:44,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:44,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:44,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:44,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:44,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:44,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:44,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:44,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:44,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:44,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:44,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:44,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:44,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:44,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:44,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:44,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:44,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:44,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:44,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:44,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:44,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:44,826 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:44,826 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:44,827 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:44,827 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:44,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:44,827 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:44,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:44,828 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:44,828 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:44,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:44,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:44,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:44,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:44,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:44,829 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:44,830 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:44,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:44,830 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:44,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:44,831 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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0543a7f62c421ec223229fb3e2bfbf903aa6057da67580bb11646235be2c5e7e [2021-11-23 15:58:45,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:45,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:45,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:45,266 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:45,267 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:45,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label42.c [2021-11-23 15:58:45,346 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data/265f3a447/3db6b2f7bdcf4c769d372a058ce009e8/FLAG774ab6fa5 [2021-11-23 15:58:46,205 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:46,206 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/sv-benchmarks/c/eca-rers2012/Problem13_label42.c [2021-11-23 15:58:46,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data/265f3a447/3db6b2f7bdcf4c769d372a058ce009e8/FLAG774ab6fa5 [2021-11-23 15:58:46,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/data/265f3a447/3db6b2f7bdcf4c769d372a058ce009e8 [2021-11-23 15:58:46,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:46,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:46,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:46,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:46,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:46,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c156090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:46, skipping insertion in model container [2021-11-23 15:58:46,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:46" (1/1) ... [2021-11-23 15:58:46,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:46,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:47,330 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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/sv-benchmarks/c/eca-rers2012/Problem13_label42.c[9228,9241] [2021-11-23 15:58:48,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:48,639 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:48,694 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_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/sv-benchmarks/c/eca-rers2012/Problem13_label42.c[9228,9241] [2021-11-23 15:58:49,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:49,485 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:49,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49 WrapperNode [2021-11-23 15:58:49,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:49,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:49,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:49,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:49,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:49,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:49,856 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5578 [2021-11-23 15:58:49,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:49,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:49,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:49,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:49,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:49,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:49,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:49,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:50,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:50,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:50,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:50,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:50,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:50,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:50,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:50,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:49" (1/1) ... [2021-11-23 15:58:50,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:50,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:50,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:50,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:50,641 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:50,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:35,878 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:35,931 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 15:59:35,935 INFO L158 Benchmark]: Toolchain (without parser) took 49234.62ms. Allocated memory was 79.7MB in the beginning and 438.3MB in the end (delta: 358.6MB). Free memory was 44.8MB in the beginning and 298.5MB in the end (delta: -253.7MB). Peak memory consumption was 223.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:35,935 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:35,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2785.91ms. Allocated memory was 79.7MB in the beginning and 138.4MB in the end (delta: 58.7MB). Free memory was 44.6MB in the beginning and 70.8MB in the end (delta: -26.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:35,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 369.59ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 56.4MB in the end (delta: 14.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:35,938 INFO L158 Benchmark]: Boogie Preprocessor took 578.92ms. Allocated memory was 138.4MB in the beginning and 234.9MB in the end (delta: 96.5MB). Free memory was 56.4MB in the beginning and 144.0MB in the end (delta: -87.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:35,938 INFO L158 Benchmark]: RCFGBuilder took 45494.60ms. Allocated memory was 234.9MB in the beginning and 438.3MB in the end (delta: 203.4MB). Free memory was 144.0MB in the beginning and 298.5MB in the end (delta: -154.5MB). Peak memory consumption was 168.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:35,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2785.91ms. Allocated memory was 79.7MB in the beginning and 138.4MB in the end (delta: 58.7MB). Free memory was 44.6MB in the beginning and 70.8MB in the end (delta: -26.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 369.59ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 56.4MB in the end (delta: 14.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 578.92ms. Allocated memory was 138.4MB in the beginning and 234.9MB in the end (delta: 96.5MB). Free memory was 56.4MB in the beginning and 144.0MB in the end (delta: -87.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * RCFGBuilder took 45494.60ms. Allocated memory was 234.9MB in the beginning and 438.3MB in the end (delta: 203.4MB). Free memory was 144.0MB in the beginning and 298.5MB in the end (delta: -154.5MB). Peak memory consumption was 168.7MB. 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 15:59:36,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef76eb2a-3a8a-4cd3-ab45-427ece36ac69/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