./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label24.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_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 257ca8d47288b3d27be9b35b463de505bc4c81d0cee8c040739da4c9524c6c5c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:31:31,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:31:31,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:31:31,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:31:31,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:31:31,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:31:31,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:31:31,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:31:31,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:31:31,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:31:31,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:31:31,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:31:31,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:31:31,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:31:31,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:31:31,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:31:31,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:31:31,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:31:31,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:31:31,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:31:31,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:31:31,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:31:31,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:31:31,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:31:31,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:31:31,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:31:31,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:31:31,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:31:31,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:31:31,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:31:31,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:31:31,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:31:31,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:31:31,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:31:31,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:31:31,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:31:31,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:31:31,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:31:31,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:31:31,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:31:31,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:31:31,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:31:31,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:31:31,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:31:31,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:31:31,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:31:31,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:31:31,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:31:31,810 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:31:31,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:31:31,811 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:31:31,811 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:31:31,812 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:31:31,812 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:31:31,812 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:31:31,813 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:31:31,813 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:31:31,813 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:31:31,813 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:31:31,814 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:31:31,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:31:31,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:31:31,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:31:31,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:31:31,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:31:31,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:31:31,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:31:31,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:31:31,818 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:31:31,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:31:31,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:31:31,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:31:31,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:31:31,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:31:31,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:31,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:31:31,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:31:31,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:31:31,821 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:31:31,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:31:31,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:31:31,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:31:31,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:31:31,822 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257ca8d47288b3d27be9b35b463de505bc4c81d0cee8c040739da4c9524c6c5c [2021-11-23 17:31:32,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:31:32,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:31:32,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:31:32,140 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:31:32,141 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:31:32,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/eca-rers2012/Problem09_label24.c [2021-11-23 17:31:32,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/data/db0499b9a/7600bb39572e4e958af7d63e59ed21a5/FLAG16b938348 [2021-11-23 17:31:36,040 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:31:36,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/sv-benchmarks/c/eca-rers2012/Problem09_label24.c [2021-11-23 17:31:36,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/data/db0499b9a/7600bb39572e4e958af7d63e59ed21a5/FLAG16b938348 [2021-11-23 17:31:36,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/data/db0499b9a/7600bb39572e4e958af7d63e59ed21a5 [2021-11-23 17:31:36,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:31:36,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:31:36,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:31:36,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:31:36,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:31:36,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:36" (1/1) ... [2021-11-23 17:31:36,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f110d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:36, skipping insertion in model container [2021-11-23 17:31:36,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:36" (1/1) ... [2021-11-23 17:31:36,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:31:38,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:05,912 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_bf315617-0328-4d21-95c9-aaee0539f168/sv-benchmarks/c/eca-rers2012/Problem09_label24.c[6309060,6309073] [2021-11-23 17:32:06,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:06,063 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:21,782 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_bf315617-0328-4d21-95c9-aaee0539f168/sv-benchmarks/c/eca-rers2012/Problem09_label24.c[6309060,6309073] [2021-11-23 17:32:21,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:27,700 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:27,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27 WrapperNode [2021-11-23 17:32:27,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:27,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:27,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:27,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:27,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:29,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:35,434 INFO L137 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2021-11-23 17:32:35,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:35,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:35,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:35,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:35,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:35,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:36,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:36,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:39,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:40,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:41,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:42,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:42,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:42,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:42,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:42,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:27" (1/1) ... [2021-11-23 17:32:42,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:42,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:42,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:42,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf315617-0328-4d21-95c9-aaee0539f168/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:32:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:42,573 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:42,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:33:59,804 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:33:59,984 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 17:33:59,989 INFO L158 Benchmark]: Toolchain (without parser) took 143383.10ms. Allocated memory was 864.0MB in the beginning and 12.6GB in the end (delta: 11.7GB). Free memory was 624.9MB in the beginning and 8.5GB in the end (delta: -7.9GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. [2021-11-23 17:33:59,990 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:33:59,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 51094.04ms. Allocated memory was 864.0MB in the beginning and 5.7GB in the end (delta: 4.9GB). Free memory was 624.9MB in the beginning and 3.6GB in the end (delta: -3.0GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2021-11-23 17:33:59,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 7733.61ms. Allocated memory was 5.7GB in the beginning and 8.6GB in the end (delta: 2.8GB). Free memory was 3.6GB in the beginning and 5.8GB in the end (delta: -2.2GB). Peak memory consumption was 986.7MB. Max. memory is 16.1GB. [2021-11-23 17:33:59,993 INFO L158 Benchmark]: Boogie Preprocessor took 6858.38ms. Allocated memory was 8.6GB in the beginning and 11.0GB in the end (delta: 2.4GB). Free memory was 5.8GB in the beginning and 7.7GB in the end (delta: -1.9GB). Peak memory consumption was 781.2MB. Max. memory is 16.1GB. [2021-11-23 17:33:59,994 INFO L158 Benchmark]: RCFGBuilder took 77692.52ms. Allocated memory was 11.0GB in the beginning and 12.6GB in the end (delta: 1.6GB). Free memory was 7.7GB in the beginning and 8.5GB in the end (delta: -821.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-11-23 17:33:59,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 51094.04ms. Allocated memory was 864.0MB in the beginning and 5.7GB in the end (delta: 4.9GB). Free memory was 624.9MB in the beginning and 3.6GB in the end (delta: -3.0GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7733.61ms. Allocated memory was 5.7GB in the beginning and 8.6GB in the end (delta: 2.8GB). Free memory was 3.6GB in the beginning and 5.8GB in the end (delta: -2.2GB). Peak memory consumption was 986.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6858.38ms. Allocated memory was 8.6GB in the beginning and 11.0GB in the end (delta: 2.4GB). Free memory was 5.8GB in the beginning and 7.7GB in the end (delta: -1.9GB). Peak memory consumption was 781.2MB. Max. memory is 16.1GB. * RCFGBuilder took 77692.52ms. Allocated memory was 11.0GB in the beginning and 12.6GB in the end (delta: 1.6GB). Free memory was 7.7GB in the beginning and 8.5GB in the end (delta: -821.0MB). Peak memory consumption was 1.1GB. 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.