./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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 ad834a4fb5f4154353fe834bdf1b25d8394c06509e997c3a1b1b485e0c0b77f0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:30:50,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:30:50,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:30:50,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:30:50,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:30:50,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:30:50,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:30:50,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:30:50,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:30:50,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:30:50,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:30:50,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:30:50,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:30:50,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:30:50,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:30:50,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:30:50,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:30:50,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:30:50,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:30:50,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:30:50,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:30:50,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:30:50,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:30:50,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:30:50,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:30:50,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:30:50,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:30:50,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:30:50,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:30:50,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:30:50,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:30:50,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:30:50,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:30:50,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:30:50,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:30:50,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:30:50,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:30:50,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:30:50,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:30:50,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:30:50,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:30:50,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:30:50,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:30:50,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:30:50,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:30:50,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:30:50,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:30:50,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:30:50,469 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:30:50,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:30:50,470 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:30:50,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:30:50,471 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:30:50,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:30:50,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:30:50,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:30:50,473 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:30:50,473 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:30:50,473 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:30:50,474 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:30:50,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:30:50,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:30:50,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:30:50,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:30:50,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:30:50,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:30:50,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:30:50,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:30:50,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:30:50,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:30:50,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:30:50,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:30:50,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:30:50,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:30:50,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:30:50,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:30:50,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:30:50,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:30:50,483 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:30:50,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:30:50,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:30:50,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:30:50,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:30:50,484 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad834a4fb5f4154353fe834bdf1b25d8394c06509e997c3a1b1b485e0c0b77f0 [2021-11-23 17:30:50,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:30:50,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:30:50,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:30:50,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:30:50,927 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:30:50,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c [2021-11-23 17:30:51,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data/8c7343111/5f32e88b8f0e4d16a6939fea99c33f3c/FLAG7929131f0 [2021-11-23 17:30:52,396 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:30:52,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c [2021-11-23 17:30:52,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data/8c7343111/5f32e88b8f0e4d16a6939fea99c33f3c/FLAG7929131f0 [2021-11-23 17:30:52,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data/8c7343111/5f32e88b8f0e4d16a6939fea99c33f3c [2021-11-23 17:30:52,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:30:52,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:30:52,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:30:52,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:30:52,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:30:52,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:30:52" (1/1) ... [2021-11-23 17:30:52,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4f299c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:52, skipping insertion in model container [2021-11-23 17:30:52,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:30:52" (1/1) ... [2021-11-23 17:30:53,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:30:53,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:30:56,291 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c[380593,380606] [2021-11-23 17:30:56,331 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c[383339,383352] [2021-11-23 17:30:56,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:30:56,827 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:30:58,256 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c[380593,380606] [2021-11-23 17:30:58,266 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c[383339,383352] [2021-11-23 17:30:58,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:30:58,421 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:30:58,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58 WrapperNode [2021-11-23 17:30:58,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:30:58,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:30:58,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:30:58,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:30:58,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:30:58,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:30:59,250 INFO L137 Inliner]: procedures = 68, calls = 78, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 13204 [2021-11-23 17:30:59,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:30:59,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:30:59,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:30:59,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:30:59,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:30:59,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:30:59,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:30:59,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:30:59,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:30:59,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:31:00,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:31:00,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:31:00,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:31:00,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:31:00,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:31:00,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:30:58" (1/1) ... [2021-11-23 17:31:00,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:00,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:31:00,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:31:00,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:31:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:31:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 17:31:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 17:31:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 17:31:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 17:31:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 17:31:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 17:31:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 17:31:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 17:31:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 17:31:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 17:31:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 17:31:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 17:31:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 17:31:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 17:31:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:31:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:31:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:31:00,398 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:31:00,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:31:09,586 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:31:09,724 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 17:31:09,736 INFO L158 Benchmark]: Toolchain (without parser) took 16760.44ms. Allocated memory was 100.7MB in the beginning and 1.0GB in the end (delta: 899.7MB). Free memory was 52.8MB in the beginning and 625.0MB in the end (delta: -572.3MB). Peak memory consumption was 390.1MB. Max. memory is 16.1GB. [2021-11-23 17:31:09,737 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 100.7MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:31:09,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5438.83ms. Allocated memory was 100.7MB in the beginning and 192.9MB in the end (delta: 92.3MB). Free memory was 52.5MB in the beginning and 87.7MB in the end (delta: -35.2MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2021-11-23 17:31:09,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 828.09ms. Allocated memory was 192.9MB in the beginning and 293.6MB in the end (delta: 100.7MB). Free memory was 87.7MB in the beginning and 156.6MB in the end (delta: -68.9MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2021-11-23 17:31:09,743 INFO L158 Benchmark]: Boogie Preprocessor took 842.11ms. Allocated memory is still 293.6MB. Free memory was 156.6MB in the beginning and 147.1MB in the end (delta: 9.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 17:31:09,744 INFO L158 Benchmark]: RCFGBuilder took 9637.19ms. Allocated memory was 293.6MB in the beginning and 1.0GB in the end (delta: 706.7MB). Free memory was 147.1MB in the beginning and 625.0MB in the end (delta: -477.9MB). Peak memory consumption was 291.8MB. Max. memory is 16.1GB. [2021-11-23 17:31:09,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 100.7MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5438.83ms. Allocated memory was 100.7MB in the beginning and 192.9MB in the end (delta: 92.3MB). Free memory was 52.5MB in the beginning and 87.7MB in the end (delta: -35.2MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 828.09ms. Allocated memory was 192.9MB in the beginning and 293.6MB in the end (delta: 100.7MB). Free memory was 87.7MB in the beginning and 156.6MB in the end (delta: -68.9MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 842.11ms. Allocated memory is still 293.6MB. Free memory was 156.6MB in the beginning and 147.1MB in the end (delta: 9.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9637.19ms. Allocated memory was 293.6MB in the beginning and 1.0GB in the end (delta: 706.7MB). Free memory was 147.1MB in the beginning and 625.0MB in the end (delta: -477.9MB). Peak memory consumption was 291.8MB. 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 17:31:09,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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 ad834a4fb5f4154353fe834bdf1b25d8394c06509e997c3a1b1b485e0c0b77f0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:31:12,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:31:12,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:31:12,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:31:12,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:31:12,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:31:12,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:31:12,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:31:12,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:31:12,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:31:12,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:31:12,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:31:12,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:31:12,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:31:12,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:31:12,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:31:12,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:31:12,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:31:12,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:31:12,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:31:12,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:31:12,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:31:12,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:31:12,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:31:12,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:31:12,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:31:12,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:31:12,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:31:12,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:31:12,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:31:12,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:31:12,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:31:12,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:31:12,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:31:12,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:31:12,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:31:12,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:31:12,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:31:12,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:31:12,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:31:12,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:31:12,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:31:12,864 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:31:12,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:31:12,865 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:31:12,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:31:12,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:31:12,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:31:12,867 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:31:12,867 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:31:12,867 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:31:12,868 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:31:12,868 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:31:12,868 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:31:12,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:31:12,869 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:31:12,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:31:12,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:31:12,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:31:12,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:31:12,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:31:12,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:31:12,871 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:31:12,871 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:31:12,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:31:12,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:31:12,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:31:12,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:31:12,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:31:12,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:31:12,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:31:12,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:12,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:31:12,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:31:12,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:31:12,875 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:31:12,875 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:31:12,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:31:12,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:31:12,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:31:12,876 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad834a4fb5f4154353fe834bdf1b25d8394c06509e997c3a1b1b485e0c0b77f0 [2021-11-23 17:31:13,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:31:13,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:31:13,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:31:13,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:31:13,352 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:31:13,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c [2021-11-23 17:31:13,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data/6ebda8061/eb79cd10905246598a7df08c55d632aa/FLAG5a7fc39a8 [2021-11-23 17:31:14,695 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:31:14,696 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c [2021-11-23 17:31:14,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data/6ebda8061/eb79cd10905246598a7df08c55d632aa/FLAG5a7fc39a8 [2021-11-23 17:31:14,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/data/6ebda8061/eb79cd10905246598a7df08c55d632aa [2021-11-23 17:31:14,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:31:14,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:31:14,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:31:14,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:31:14,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:31:14,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:14" (1/1) ... [2021-11-23 17:31:14,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409a0eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:14, skipping insertion in model container [2021-11-23 17:31:14,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:14" (1/1) ... [2021-11-23 17:31:14,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:31:15,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:31:17,858 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c[380593,380606] [2021-11-23 17:31:17,890 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c[383339,383352] [2021-11-23 17:31:18,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:31:18,318 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:31:19,615 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c[380593,380606] [2021-11-23 17:31:19,631 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_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/sv-benchmarks/c/combinations/Problem05_label49+token_ring.12.cil-1.c[383339,383352] [2021-11-23 17:31:19,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:31:19,764 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:31:19,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19 WrapperNode [2021-11-23 17:31:19,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:31:19,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:31:19,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:31:19,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:31:19,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:19,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:20,395 INFO L137 Inliner]: procedures = 69, calls = 78, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 13161 [2021-11-23 17:31:20,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:31:20,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:31:20,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:31:20,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:31:20,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:20,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:20,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:20,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:20,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:20,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:20,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:21,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:31:21,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:31:21,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:31:21,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:31:21,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (1/1) ... [2021-11-23 17:31:21,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:21,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:31:21,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:31:21,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:31:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:31:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 17:31:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 17:31:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 17:31:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 17:31:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 17:31:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 17:31:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:31:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 17:31:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 17:31:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 17:31:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 17:31:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 17:31:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 17:31:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 17:31:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 17:31:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:31:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:31:21,454 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:31:21,457 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:31:32,578 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:31:32,619 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:31:32,620 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-23 17:31:32,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:31:32 BoogieIcfgContainer [2021-11-23 17:31:32,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:31:32,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:31:32,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:31:32,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:31:32,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:31:14" (1/3) ... [2021-11-23 17:31:32,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d0f6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:31:32, skipping insertion in model container [2021-11-23 17:31:32,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:19" (2/3) ... [2021-11-23 17:31:32,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d0f6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:31:32, skipping insertion in model container [2021-11-23 17:31:32,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:31:32" (3/3) ... [2021-11-23 17:31:32,635 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem05_label49+token_ring.12.cil-1.c [2021-11-23 17:31:32,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:31:32,641 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 17:31:32,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:31:32,720 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 17:31:32,720 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 17:31:32,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 2573 states, 2535 states have (on average 1.8433925049309665) internal successors, (4673), 2540 states have internal predecessors, (4673), 28 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-23 17:31:32,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 17:31:32,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:31:32,815 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, 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, 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 17:31:32,816 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:31:32,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:31:32,822 INFO L85 PathProgramCache]: Analyzing trace with hash -354915978, now seen corresponding path program 1 times [2021-11-23 17:31:32,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:31:32,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787031381] [2021-11-23 17:31:32,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:31:32,840 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:31:32,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:31:32,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:31:32,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:31:32,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:31:33,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:31:33,123 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 17:31:33,129 INFO L158 Benchmark]: Toolchain (without parser) took 18254.57ms. Allocated memory was 92.3MB in the beginning and 811.6MB in the end (delta: 719.3MB). Free memory was 62.0MB in the beginning and 384.1MB in the end (delta: -322.1MB). Peak memory consumption was 395.8MB. Max. memory is 16.1GB. [2021-11-23 17:31:33,130 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:31:33,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4890.39ms. Allocated memory was 92.3MB in the beginning and 213.9MB in the end (delta: 121.6MB). Free memory was 61.7MB in the beginning and 94.9MB in the end (delta: -33.2MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. [2021-11-23 17:31:33,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 630.06ms. Allocated memory is still 213.9MB. Free memory was 94.9MB in the beginning and 85.0MB in the end (delta: 9.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2021-11-23 17:31:33,133 INFO L158 Benchmark]: Boogie Preprocessor took 622.17ms. Allocated memory was 213.9MB in the beginning and 427.8MB in the end (delta: 213.9MB). Free memory was 85.0MB in the beginning and 256.2MB in the end (delta: -171.1MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 17:31:33,134 INFO L158 Benchmark]: RCFGBuilder took 11605.77ms. Allocated memory was 427.8MB in the beginning and 811.6MB in the end (delta: 383.8MB). Free memory was 256.2MB in the beginning and 410.3MB in the end (delta: -154.1MB). Peak memory consumption was 323.0MB. Max. memory is 16.1GB. [2021-11-23 17:31:33,135 INFO L158 Benchmark]: TraceAbstraction took 498.98ms. Allocated memory is still 811.6MB. Free memory was 410.3MB in the beginning and 384.1MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 17:31:33,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4890.39ms. Allocated memory was 92.3MB in the beginning and 213.9MB in the end (delta: 121.6MB). Free memory was 61.7MB in the beginning and 94.9MB in the end (delta: -33.2MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 630.06ms. Allocated memory is still 213.9MB. Free memory was 94.9MB in the beginning and 85.0MB in the end (delta: 9.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 622.17ms. Allocated memory was 213.9MB in the beginning and 427.8MB in the end (delta: 213.9MB). Free memory was 85.0MB in the beginning and 256.2MB in the end (delta: -171.1MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11605.77ms. Allocated memory was 427.8MB in the beginning and 811.6MB in the end (delta: 383.8MB). Free memory was 256.2MB in the beginning and 410.3MB in the end (delta: -154.1MB). Peak memory consumption was 323.0MB. Max. memory is 16.1GB. * TraceAbstraction took 498.98ms. Allocated memory is still 811.6MB. Free memory was 410.3MB in the beginning and 384.1MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. 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 17:31:33,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d5cbd1-e937-4308-be31-ebc2e160cc4c/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