./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label07.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_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/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_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/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_7de08991-77ce-45f5-bf2a-de808df35a06/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 bcaadc0834b1e1668dc1393f3526c5eee7053e110c3b9c83c6fc0a5a0bac3de4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:32,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:32,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:32,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:32,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:32,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:32,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:32,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:32,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:32,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:32,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:32,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:32,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:32,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:32,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:32,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:32,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:32,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:32,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:32,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:32,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:32,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:32,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:32,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:32,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:32,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:32,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:32,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:32,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:32,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:32,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:32,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:32,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:32,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:32,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:32,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:32,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:32,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:32,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:32,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:32,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:32,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:32,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:32,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:32,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:32,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:32,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:32,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:32,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:32,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:32,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:32,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:32,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:32,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:32,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:32,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:32,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:32,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:32,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:32,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:32,818 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:32,818 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:32,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:32,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:32,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:32,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:32,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:32,820 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:32,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:32,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:32,821 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_7de08991-77ce-45f5-bf2a-de808df35a06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcaadc0834b1e1668dc1393f3526c5eee7053e110c3b9c83c6fc0a5a0bac3de4 [2021-11-23 15:56:33,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:33,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:33,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:33,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:33,205 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:33,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem12_label07.c [2021-11-23 15:56:33,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data/45f653049/3b76d5ffed9c4a2aaa263fa611fba7c6/FLAGa9782684f [2021-11-23 15:56:34,320 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:34,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/sv-benchmarks/c/eca-rers2012/Problem12_label07.c [2021-11-23 15:56:34,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data/45f653049/3b76d5ffed9c4a2aaa263fa611fba7c6/FLAGa9782684f [2021-11-23 15:56:34,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data/45f653049/3b76d5ffed9c4a2aaa263fa611fba7c6 [2021-11-23 15:56:34,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:34,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:34,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:34,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:34,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:34,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759b1e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34, skipping insertion in model container [2021-11-23 15:56:34,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:34,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:35,236 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_7de08991-77ce-45f5-bf2a-de808df35a06/sv-benchmarks/c/eca-rers2012/Problem12_label07.c[1203,1216] [2021-11-23 15:56:36,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:36,593 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:36,613 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_7de08991-77ce-45f5-bf2a-de808df35a06/sv-benchmarks/c/eca-rers2012/Problem12_label07.c[1203,1216] [2021-11-23 15:56:37,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:37,391 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:37,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37 WrapperNode [2021-11-23 15:56:37,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:37,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:37,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:37,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:37,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,952 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4757 [2021-11-23 15:56:37,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:37,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:37,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:37,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:37,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:38,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:38,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:38,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:38,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:38,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:38,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:38,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:38,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:38,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:38,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:38,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:38,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:38,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:38,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:38,998 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:39,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:44,556 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:44,617 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 15:56:44,622 INFO L158 Benchmark]: Toolchain (without parser) took 9927.16ms. Allocated memory was 88.1MB in the beginning and 610.3MB in the end (delta: 522.2MB). Free memory was 60.2MB in the beginning and 395.4MB in the end (delta: -335.3MB). Peak memory consumption was 221.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,623 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:44,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2695.40ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 60.2MB in the beginning and 47.0MB in the end (delta: 13.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 559.61ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 47.0MB in the beginning and 90.5MB in the end (delta: -43.5MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,626 INFO L158 Benchmark]: Boogie Preprocessor took 676.14ms. Allocated memory is still 184.5MB. Free memory was 90.5MB in the beginning and 71.2MB in the end (delta: 19.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,627 INFO L158 Benchmark]: RCFGBuilder took 5989.29ms. Allocated memory was 184.5MB in the beginning and 610.3MB in the end (delta: 425.7MB). Free memory was 71.2MB in the beginning and 395.4MB in the end (delta: -324.3MB). Peak memory consumption was 135.3MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2695.40ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 60.2MB in the beginning and 47.0MB in the end (delta: 13.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 559.61ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 47.0MB in the beginning and 90.5MB in the end (delta: -43.5MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 676.14ms. Allocated memory is still 184.5MB. Free memory was 90.5MB in the beginning and 71.2MB in the end (delta: 19.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5989.29ms. Allocated memory was 184.5MB in the beginning and 610.3MB in the end (delta: 425.7MB). Free memory was 71.2MB in the beginning and 395.4MB in the end (delta: -324.3MB). Peak memory consumption was 135.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:44,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/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_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/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_7de08991-77ce-45f5-bf2a-de808df35a06/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 bcaadc0834b1e1668dc1393f3526c5eee7053e110c3b9c83c6fc0a5a0bac3de4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:47,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:47,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:47,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:47,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:47,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:47,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:47,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:47,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:47,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:47,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:47,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:47,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:47,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:47,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:47,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:47,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:47,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:47,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:47,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:47,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:47,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:47,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:47,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:47,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:47,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:47,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:47,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:47,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:47,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:47,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:47,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:47,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:47,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:47,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:47,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:47,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:47,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:47,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:47,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:47,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:47,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:47,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:47,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:47,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:47,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:47,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:47,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:47,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:47,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:47,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:47,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:47,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:47,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:47,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:47,774 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:47,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:47,774 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:47,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:47,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:47,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:47,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:47,776 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:47,776 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:47,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:47,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:47,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:47,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:47,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:47,778 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:47,778 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:47,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:47,778 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:47,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:47,779 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_7de08991-77ce-45f5-bf2a-de808df35a06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcaadc0834b1e1668dc1393f3526c5eee7053e110c3b9c83c6fc0a5a0bac3de4 [2021-11-23 15:56:48,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:48,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:48,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:48,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:48,246 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:48,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem12_label07.c [2021-11-23 15:56:48,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data/24ee8e20c/63fb791ed9bc4cdaa8d4a2447815c66e/FLAGaf61c2cc0 [2021-11-23 15:56:49,521 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:49,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/sv-benchmarks/c/eca-rers2012/Problem12_label07.c [2021-11-23 15:56:49,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data/24ee8e20c/63fb791ed9bc4cdaa8d4a2447815c66e/FLAGaf61c2cc0 [2021-11-23 15:56:49,793 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/data/24ee8e20c/63fb791ed9bc4cdaa8d4a2447815c66e [2021-11-23 15:56:49,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:49,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:49,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:49,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:49,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:49,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:49" (1/1) ... [2021-11-23 15:56:49,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c059e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:49, skipping insertion in model container [2021-11-23 15:56:49,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:49" (1/1) ... [2021-11-23 15:56:49,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:50,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:50,259 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_7de08991-77ce-45f5-bf2a-de808df35a06/sv-benchmarks/c/eca-rers2012/Problem12_label07.c[1203,1216] [2021-11-23 15:56:51,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:51,955 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:51,975 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_7de08991-77ce-45f5-bf2a-de808df35a06/sv-benchmarks/c/eca-rers2012/Problem12_label07.c[1203,1216] [2021-11-23 15:56:52,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:52,918 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:52,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52 WrapperNode [2021-11-23 15:56:52,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:52,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:52,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:52,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:52,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,347 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4752 [2021-11-23 15:56:53,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:53,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:53,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:53,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:53,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:53,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:53,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:53,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:53,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:53,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:53,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:53,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:53,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:54,054 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:54,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:25,213 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:25,314 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 15:57:25,324 INFO L158 Benchmark]: Toolchain (without parser) took 35521.45ms. Allocated memory was 56.6MB in the beginning and 377.5MB in the end (delta: 320.9MB). Free memory was 33.5MB in the beginning and 179.7MB in the end (delta: -146.2MB). Peak memory consumption was 179.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:25,326 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:25,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3119.06ms. Allocated memory was 56.6MB in the beginning and 123.7MB in the end (delta: 67.1MB). Free memory was 33.3MB in the beginning and 69.2MB in the end (delta: -35.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:25,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 426.48ms. Allocated memory is still 123.7MB. Free memory was 69.2MB in the beginning and 58.1MB in the end (delta: 11.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:25,330 INFO L158 Benchmark]: Boogie Preprocessor took 416.68ms. Allocated memory is still 123.7MB. Free memory was 58.1MB in the beginning and 42.1MB in the end (delta: 16.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:25,331 INFO L158 Benchmark]: RCFGBuilder took 31552.25ms. Allocated memory was 123.7MB in the beginning and 377.5MB in the end (delta: 253.8MB). Free memory was 42.1MB in the beginning and 179.7MB in the end (delta: -137.6MB). Peak memory consumption was 120.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:25,343 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 56.6MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3119.06ms. Allocated memory was 56.6MB in the beginning and 123.7MB in the end (delta: 67.1MB). Free memory was 33.3MB in the beginning and 69.2MB in the end (delta: -35.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 426.48ms. Allocated memory is still 123.7MB. Free memory was 69.2MB in the beginning and 58.1MB in the end (delta: 11.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 416.68ms. Allocated memory is still 123.7MB. Free memory was 58.1MB in the beginning and 42.1MB in the end (delta: 16.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * RCFGBuilder took 31552.25ms. Allocated memory was 123.7MB in the beginning and 377.5MB in the end (delta: 253.8MB). Free memory was 42.1MB in the beginning and 179.7MB in the end (delta: -137.6MB). Peak memory consumption was 120.7MB. 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 15:57:25,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7de08991-77ce-45f5-bf2a-de808df35a06/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