./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/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_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf468c7017c8f3a2cdeb79f99753733825718df67f5d936c4b628187020029f9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:09:32,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:09:32,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:09:32,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:09:32,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:09:32,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:09:32,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:09:32,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:09:32,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:09:32,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:09:32,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:09:32,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:09:32,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:09:32,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:09:32,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:09:32,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:09:32,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:09:32,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:09:32,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:09:32,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:09:32,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:09:32,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:09:32,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:09:32,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:09:32,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:09:32,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:09:32,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:09:32,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:09:32,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:09:32,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:09:32,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:09:32,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:09:32,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:09:32,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:09:32,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:09:32,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:09:32,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:09:32,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:09:32,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:09:32,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:09:32,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:09:32,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 17:09:32,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:09:32,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:09:32,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:09:32,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:09:32,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:09:32,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:09:32,990 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:09:32,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:09:32,999 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:09:32,999 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:09:32,999 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:09:32,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:09:33,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:09:33,000 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:09:33,000 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:09:33,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:09:33,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:09:33,003 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:09:33,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:09:33,004 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:09:33,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:09:33,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:09:33,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:09:33,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:09:33,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:09:33,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:09:33,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:09:33,009 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 17:09:33,010 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:09:33,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:09:33,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:09:33,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:09:33,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:09:33,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:09:33,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:33,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:09:33,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:09:33,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:09:33,013 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:09:33,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:09:33,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:09:33,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:09:33,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:09:33,014 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_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf468c7017c8f3a2cdeb79f99753733825718df67f5d936c4b628187020029f9 [2021-11-23 17:09:33,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:09:33,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:09:33,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:09:33,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:09:33,432 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:09:33,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c [2021-11-23 17:09:33,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/data/a1cc26d2e/0beca3ef8c674ae197f43052a30cc127/FLAG9aaeb7271 [2021-11-23 17:09:34,136 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:09:34,137 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c [2021-11-23 17:09:34,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/data/a1cc26d2e/0beca3ef8c674ae197f43052a30cc127/FLAG9aaeb7271 [2021-11-23 17:09:34,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/data/a1cc26d2e/0beca3ef8c674ae197f43052a30cc127 [2021-11-23 17:09:34,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:09:34,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:09:34,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:34,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:09:34,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:09:34,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:34" (1/1) ... [2021-11-23 17:09:34,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b227c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:34, skipping insertion in model container [2021-11-23 17:09:34,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:09:34" (1/1) ... [2021-11-23 17:09:34,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:09:34,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:09:34,866 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_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c[44558,44571] [2021-11-23 17:09:34,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:34,905 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:09:34,993 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_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/sv-benchmarks/c/bitvector/s3_srvr_3_alt.BV.c.cil.c[44558,44571] [2021-11-23 17:09:34,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:09:35,011 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:09:35,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35 WrapperNode [2021-11-23 17:09:35,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:09:35,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:35,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:09:35,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:09:35,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,110 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 538 [2021-11-23 17:09:35,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:09:35,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:09:35,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:09:35,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:09:35,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:09:35,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:09:35,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:09:35,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:09:35,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:09:35" (1/1) ... [2021-11-23 17:09:35,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:09:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:09:35,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:09:35,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:09:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:09:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:09:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:09:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:09:35,479 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:09:35,481 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:09:35,510 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 17:09:36,281 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-23 17:09:36,281 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-23 17:09:36,281 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:09:36,361 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 17:09:36,367 INFO L158 Benchmark]: Toolchain (without parser) took 1930.49ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 62.4MB in the beginning and 99.3MB in the end (delta: -36.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-23 17:09:36,368 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:09:36,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.41ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 75.1MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:09:36,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.04ms. Allocated memory is still 104.9MB. Free memory was 75.1MB in the beginning and 72.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:09:36,371 INFO L158 Benchmark]: Boogie Preprocessor took 89.55ms. Allocated memory is still 104.9MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:09:36,372 INFO L158 Benchmark]: RCFGBuilder took 1162.19ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 70.0MB in the beginning and 99.3MB in the end (delta: -29.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2021-11-23 17:09:36,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.41ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 75.1MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.04ms. Allocated memory is still 104.9MB. Free memory was 75.1MB in the beginning and 72.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.55ms. Allocated memory is still 104.9MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1162.19ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 70.0MB in the beginning and 99.3MB in the end (delta: -29.3MB). Peak memory consumption was 37.5MB. 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 17:09:36,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65fe43f4-4f5b-4b46-958e-e316f60d9d8b/bin/utaipan-fb15Y9Yzbl/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable