./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/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 5d56dff15b0de2a89db18b71695d59ff3710bc2ebb344dc571e9d71343d9d530 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:16:02,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:16:02,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:16:02,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:16:02,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:16:02,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:16:02,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:16:02,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:16:02,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:16:02,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:16:02,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:16:02,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:16:02,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:16:02,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:16:02,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:16:02,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:16:02,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:16:02,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:16:02,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:16:02,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:16:02,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:16:02,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:16:02,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:16:02,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:16:02,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:16:02,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:16:02,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:16:02,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:16:02,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:16:02,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:16:02,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:16:02,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:16:02,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:16:02,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:16:02,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:16:02,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:16:02,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:16:02,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:16:02,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:16:02,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:16:02,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:16:02,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:16:02,995 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:16:02,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:16:02,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:16:02,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:16:03,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:16:03,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:16:03,004 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:16:03,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:16:03,005 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:16:03,005 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:16:03,006 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:16:03,007 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:16:03,007 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:16:03,007 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:16:03,007 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:16:03,008 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:16:03,008 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:16:03,008 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:16:03,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:16:03,009 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:16:03,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:16:03,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:16:03,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:16:03,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:16:03,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:16:03,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:16:03,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:16:03,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:16:03,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:16:03,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:16:03,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:16:03,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:16:03,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:03,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:16:03,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:16:03,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:16:03,016 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:16:03,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:16:03,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:16:03,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:16:03,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:16:03,017 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d56dff15b0de2a89db18b71695d59ff3710bc2ebb344dc571e9d71343d9d530 [2021-11-23 17:16:03,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:16:03,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:16:03,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:16:03,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:16:03,317 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:16:03,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c [2021-11-23 17:16:03,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data/2174c806b/ebd0d0d456c9449594e534a1d019339f/FLAG3359ba7ad [2021-11-23 17:16:04,541 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:16:04,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c [2021-11-23 17:16:04,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data/2174c806b/ebd0d0d456c9449594e534a1d019339f/FLAG3359ba7ad [2021-11-23 17:16:04,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data/2174c806b/ebd0d0d456c9449594e534a1d019339f [2021-11-23 17:16:04,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:16:04,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:16:04,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:04,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:16:04,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:16:04,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:04" (1/1) ... [2021-11-23 17:16:04,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f28ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:04, skipping insertion in model container [2021-11-23 17:16:04,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:04" (1/1) ... [2021-11-23 17:16:04,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:16:05,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:16:07,626 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c[380323,380336] [2021-11-23 17:16:07,657 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c[383339,383352] [2021-11-23 17:16:07,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:07,851 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:16:09,116 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c[380323,380336] [2021-11-23 17:16:09,123 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c[383339,383352] [2021-11-23 17:16:09,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:09,221 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:16:09,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09 WrapperNode [2021-11-23 17:16:09,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:09,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:09,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:16:09,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:16:09,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:09,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:09,855 INFO L137 Inliner]: procedures = 48, calls = 48, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 12624 [2021-11-23 17:16:09,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:09,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:16:09,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:16:09,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:16:09,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:09,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:09,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:09,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:10,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:10,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:10,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:10,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:16:10,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:16:10,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:16:10,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:16:10,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:09" (1/1) ... [2021-11-23 17:16:10,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:10,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:16:10,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:16:10,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:16:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:16:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 17:16:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 17:16:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 17:16:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 17:16:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 17:16:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 17:16:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 17:16:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 17:16:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 17:16:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 17:16:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 17:16:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 17:16:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:16:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 17:16:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 17:16:10,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:16:10,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:16:11,055 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:16:11,057 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:16:19,098 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:16:19,177 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 17:16:19,182 INFO L158 Benchmark]: Toolchain (without parser) took 14419.63ms. Allocated memory was 109.1MB in the beginning and 906.0MB in the end (delta: 796.9MB). Free memory was 77.1MB in the beginning and 419.0MB in the end (delta: -341.8MB). Peak memory consumption was 457.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:19,183 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:19,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4459.22ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 77.1MB in the beginning and 99.1MB in the end (delta: -22.0MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2021-11-23 17:16:19,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 632.76ms. Allocated memory is still 232.8MB. Free memory was 99.1MB in the beginning and 100.3MB in the end (delta: -1.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2021-11-23 17:16:19,186 INFO L158 Benchmark]: Boogie Preprocessor took 764.11ms. Allocated memory is still 232.8MB. Free memory was 100.3MB in the beginning and 72.8MB in the end (delta: 27.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 17:16:19,186 INFO L158 Benchmark]: RCFGBuilder took 8557.58ms. Allocated memory was 232.8MB in the beginning and 906.0MB in the end (delta: 673.2MB). Free memory was 72.8MB in the beginning and 419.0MB in the end (delta: -346.2MB). Peak memory consumption was 332.3MB. Max. memory is 16.1GB. [2021-11-23 17:16:19,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4459.22ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 77.1MB in the beginning and 99.1MB in the end (delta: -22.0MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 632.76ms. Allocated memory is still 232.8MB. Free memory was 99.1MB in the beginning and 100.3MB in the end (delta: -1.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 764.11ms. Allocated memory is still 232.8MB. Free memory was 100.3MB in the beginning and 72.8MB in the end (delta: 27.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 8557.58ms. Allocated memory was 232.8MB in the beginning and 906.0MB in the end (delta: 673.2MB). Free memory was 72.8MB in the beginning and 419.0MB in the end (delta: -346.2MB). Peak memory consumption was 332.3MB. 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 17:16:19,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/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 5d56dff15b0de2a89db18b71695d59ff3710bc2ebb344dc571e9d71343d9d530 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:16:21,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:16:21,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:16:21,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:16:21,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:16:21,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:16:21,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:16:21,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:16:21,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:16:21,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:16:21,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:16:21,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:16:21,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:16:21,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:16:21,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:16:21,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:16:21,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:16:21,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:16:21,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:16:21,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:16:21,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:16:21,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:16:21,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:16:21,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:16:21,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:16:21,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:16:21,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:16:21,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:16:21,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:16:21,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:16:21,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:16:21,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:16:21,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:16:21,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:16:21,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:16:21,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:16:21,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:16:21,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:16:21,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:16:21,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:16:21,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:16:21,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:16:21,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:16:21,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:16:21,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:16:21,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:16:21,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:16:21,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:16:21,995 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:16:21,995 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:16:21,996 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:16:21,997 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:16:21,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:16:21,998 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:16:21,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:16:22,000 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:16:22,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:16:22,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:16:22,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:16:22,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:16:22,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:16:22,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:16:22,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:16:22,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:16:22,002 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:16:22,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:16:22,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:16:22,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:16:22,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:16:22,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:16:22,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:16:22,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:22,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:16:22,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:16:22,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:16:22,004 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:16:22,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:16:22,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:16:22,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:16:22,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:16:22,005 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d56dff15b0de2a89db18b71695d59ff3710bc2ebb344dc571e9d71343d9d530 [2021-11-23 17:16:22,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:16:22,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:16:22,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:16:22,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:16:22,463 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:16:22,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c [2021-11-23 17:16:22,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data/5423a6536/c410b138e7114ac38dcaaadac3cb5cc8/FLAG22b1e21cd [2021-11-23 17:16:23,846 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:16:23,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c [2021-11-23 17:16:23,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data/5423a6536/c410b138e7114ac38dcaaadac3cb5cc8/FLAG22b1e21cd [2021-11-23 17:16:23,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/data/5423a6536/c410b138e7114ac38dcaaadac3cb5cc8 [2021-11-23 17:16:23,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:16:23,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:16:23,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:23,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:16:23,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:16:23,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:23" (1/1) ... [2021-11-23 17:16:23,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5906cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:23, skipping insertion in model container [2021-11-23 17:16:23,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:23" (1/1) ... [2021-11-23 17:16:24,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:16:24,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:16:26,949 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c[380323,380336] [2021-11-23 17:16:26,988 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c[383339,383352] [2021-11-23 17:16:27,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:27,196 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:16:28,568 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c[380323,380336] [2021-11-23 17:16:28,574 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_4e3f8086-024a-4a6e-9664-e4c5521f6d27/sv-benchmarks/c/combinations/Problem05_label45+token_ring.02.cil-2.c[383339,383352] [2021-11-23 17:16:28,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:28,670 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:16:28,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28 WrapperNode [2021-11-23 17:16:28,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:28,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:28,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:16:28,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:16:28,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:28,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:29,239 INFO L137 Inliner]: procedures = 49, calls = 48, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 12601 [2021-11-23 17:16:29,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:29,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:16:29,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:16:29,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:16:29,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:29,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:29,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:29,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:29,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:29,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:29,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:30,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:16:30,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:16:30,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:16:30,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:16:30,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:30,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:30,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:16:30,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:16:30,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:16:30,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:16:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:16:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 17:16:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 17:16:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 17:16:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 17:16:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 17:16:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 17:16:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 17:16:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 17:16:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 17:16:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 17:16:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 17:16:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 17:16:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 17:16:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 17:16:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:16:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:16:30,419 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:16:30,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:16:41,318 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:16:41,358 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:16:41,359 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 17:16:41,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:16:41 BoogieIcfgContainer [2021-11-23 17:16:41,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:16:41,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:16:41,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:16:41,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:16:41,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:16:23" (1/3) ... [2021-11-23 17:16:41,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590342a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:16:41, skipping insertion in model container [2021-11-23 17:16:41,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28" (2/3) ... [2021-11-23 17:16:41,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590342a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:16:41, skipping insertion in model container [2021-11-23 17:16:41,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:16:41" (3/3) ... [2021-11-23 17:16:41,374 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem05_label45+token_ring.02.cil-2.c [2021-11-23 17:16:41,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:16:41,380 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 17:16:41,453 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:16:41,460 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:16:41,460 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 17:16:41,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 2323 states, 2295 states have (on average 1.857516339869281) internal successors, (4263), 2300 states have internal predecessors, (4263), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 17:16:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 17:16:41,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:16:41,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:16:41,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:16:41,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:16:41,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2062992276, now seen corresponding path program 1 times [2021-11-23 17:16:41,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:16:41,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396725634] [2021-11-23 17:16:41,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:16:41,580 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:16:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:16:41,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:16:41,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:16:41,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:16:41,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:16:41,826 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 17:16:41,836 INFO L158 Benchmark]: Toolchain (without parser) took 17848.51ms. Allocated memory was 92.3MB in the beginning and 830.5MB in the end (delta: 738.2MB). Free memory was 58.7MB in the beginning and 272.9MB in the end (delta: -214.2MB). Peak memory consumption was 520.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:41,837 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:41,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4681.02ms. Allocated memory was 92.3MB in the beginning and 207.6MB in the end (delta: 115.3MB). Free memory was 58.4MB in the beginning and 77.9MB in the end (delta: -19.5MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2021-11-23 17:16:41,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 567.45ms. Allocated memory is still 207.6MB. Free memory was 77.9MB in the beginning and 75.4MB in the end (delta: 2.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-11-23 17:16:41,840 INFO L158 Benchmark]: Boogie Preprocessor took 772.39ms. Allocated memory was 207.6MB in the beginning and 415.2MB in the end (delta: 207.6MB). Free memory was 75.4MB in the beginning and 239.4MB in the end (delta: -163.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:41,841 INFO L158 Benchmark]: RCFGBuilder took 11349.06ms. Allocated memory was 415.2MB in the beginning and 830.5MB in the end (delta: 415.2MB). Free memory was 239.4MB in the beginning and 297.1MB in the end (delta: -57.7MB). Peak memory consumption was 360.7MB. Max. memory is 16.1GB. [2021-11-23 17:16:41,841 INFO L158 Benchmark]: TraceAbstraction took 467.92ms. Allocated memory is still 830.5MB. Free memory was 297.1MB in the beginning and 272.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:41,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 41.9MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4681.02ms. Allocated memory was 92.3MB in the beginning and 207.6MB in the end (delta: 115.3MB). Free memory was 58.4MB in the beginning and 77.9MB in the end (delta: -19.5MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 567.45ms. Allocated memory is still 207.6MB. Free memory was 77.9MB in the beginning and 75.4MB in the end (delta: 2.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 772.39ms. Allocated memory was 207.6MB in the beginning and 415.2MB in the end (delta: 207.6MB). Free memory was 75.4MB in the beginning and 239.4MB in the end (delta: -163.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11349.06ms. Allocated memory was 415.2MB in the beginning and 830.5MB in the end (delta: 415.2MB). Free memory was 239.4MB in the beginning and 297.1MB in the end (delta: -57.7MB). Peak memory consumption was 360.7MB. Max. memory is 16.1GB. * TraceAbstraction took 467.92ms. Allocated memory is still 830.5MB. Free memory was 297.1MB in the beginning and 272.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:16:41,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e3f8086-024a-4a6e-9664-e4c5521f6d27/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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