./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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 2f6e67caa8159a722902bebe9d23adade07462f3fac0eb20b485945b97ba6592 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:32:07,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:32:07,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:32:07,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:32:07,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:32:07,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:32:07,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:32:07,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:32:07,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:32:07,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:32:07,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:32:07,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:32:07,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:32:07,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:32:07,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:32:07,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:32:07,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:32:07,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:32:07,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:32:07,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:32:07,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:32:07,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:32:07,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:32:07,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:32:07,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:32:07,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:32:07,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:32:07,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:32:07,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:32:07,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:32:07,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:32:07,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:32:07,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:32:07,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:32:07,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:32:07,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:32:07,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:32:07,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:32:07,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:32:07,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:32:07,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:32:07,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:32:07,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:32:07,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:32:07,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:32:07,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:32:07,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:32:07,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:32:07,687 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:32:07,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:32:07,687 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:32:07,687 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:32:07,688 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:32:07,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:32:07,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:32:07,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:32:07,689 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:32:07,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:32:07,690 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:32:07,690 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:32:07,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:32:07,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:32:07,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:32:07,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:32:07,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:32:07,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:32:07,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:32:07,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:32:07,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:32:07,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:32:07,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:32:07,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:32:07,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:32:07,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:32:07,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:07,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:32:07,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:32:07,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:32:07,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:32:07,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:32:07,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:32:07,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:32:07,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:32:07,697 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f6e67caa8159a722902bebe9d23adade07462f3fac0eb20b485945b97ba6592 [2021-11-23 17:32:08,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:32:08,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:32:08,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:32:08,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:32:08,095 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:32:08,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c [2021-11-23 17:32:08,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data/3536ece6d/1158aa1b43e1404190a757f6e9958dad/FLAGc73a1b600 [2021-11-23 17:32:09,177 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:32:09,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c [2021-11-23 17:32:09,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data/3536ece6d/1158aa1b43e1404190a757f6e9958dad/FLAGc73a1b600 [2021-11-23 17:32:09,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data/3536ece6d/1158aa1b43e1404190a757f6e9958dad [2021-11-23 17:32:09,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:32:09,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:32:09,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:09,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:32:09,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:32:09,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7597071f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:09, skipping insertion in model container [2021-11-23 17:32:09,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:09" (1/1) ... [2021-11-23 17:32:09,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:32:09,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:12,534 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c[377069,377082] [2021-11-23 17:32:12,572 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c[383339,383352] [2021-11-23 17:32:12,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:12,823 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:14,243 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c[377069,377082] [2021-11-23 17:32:14,260 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c[383339,383352] [2021-11-23 17:32:14,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:14,419 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:14,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14 WrapperNode [2021-11-23 17:32:14,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:14,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:14,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:14,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:14,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:14,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,246 INFO L137 Inliner]: procedures = 50, calls = 50, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 12677 [2021-11-23 17:32:15,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:15,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:15,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:15,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:15,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:15,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:15,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:15,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:15,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:14" (1/1) ... [2021-11-23 17:32:15,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:15,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:15,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:15,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 17:32:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 17:32:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 17:32:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 17:32:15,921 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 17:32:15,921 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 17:32:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 17:32:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 17:32:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 17:32:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 17:32:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 17:32:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 17:32:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:32:15,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:15,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:16,020 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:16,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:32:25,417 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:32:25,502 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 17:32:25,507 INFO L158 Benchmark]: Toolchain (without parser) took 15994.62ms. Allocated memory was 121.6MB in the beginning and 771.8MB in the end (delta: 650.1MB). Free memory was 82.1MB in the beginning and 571.0MB in the end (delta: -488.9MB). Peak memory consumption was 368.4MB. Max. memory is 16.1GB. [2021-11-23 17:32:25,508 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:32:25,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4905.49ms. Allocated memory was 121.6MB in the beginning and 249.6MB in the end (delta: 127.9MB). Free memory was 81.6MB in the beginning and 153.5MB in the end (delta: -72.0MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2021-11-23 17:32:25,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 824.61ms. Allocated memory is still 249.6MB. Free memory was 153.5MB in the beginning and 114.9MB in the end (delta: 38.6MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. [2021-11-23 17:32:25,511 INFO L158 Benchmark]: Boogie Preprocessor took 597.28ms. Allocated memory is still 249.6MB. Free memory was 114.9MB in the beginning and 87.4MB in the end (delta: 27.5MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 17:32:25,512 INFO L158 Benchmark]: RCFGBuilder took 9659.82ms. Allocated memory was 249.6MB in the beginning and 771.8MB in the end (delta: 522.2MB). Free memory was 87.4MB in the beginning and 572.1MB in the end (delta: -484.7MB). Peak memory consumption was 245.1MB. Max. memory is 16.1GB. [2021-11-23 17:32:25,516 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 77.6MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4905.49ms. Allocated memory was 121.6MB in the beginning and 249.6MB in the end (delta: 127.9MB). Free memory was 81.6MB in the beginning and 153.5MB in the end (delta: -72.0MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 824.61ms. Allocated memory is still 249.6MB. Free memory was 153.5MB in the beginning and 114.9MB in the end (delta: 38.6MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 597.28ms. Allocated memory is still 249.6MB. Free memory was 114.9MB in the beginning and 87.4MB in the end (delta: 27.5MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9659.82ms. Allocated memory was 249.6MB in the beginning and 771.8MB in the end (delta: 522.2MB). Free memory was 87.4MB in the beginning and 572.1MB in the end (delta: -484.7MB). Peak memory consumption was 245.1MB. 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 17:32:25,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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 2f6e67caa8159a722902bebe9d23adade07462f3fac0eb20b485945b97ba6592 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:32:28,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:32:28,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:32:28,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:32:28,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:32:28,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:32:28,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:32:28,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:32:28,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:32:28,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:32:28,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:32:28,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:32:28,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:32:28,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:32:28,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:32:28,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:32:28,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:32:28,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:32:28,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:32:28,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:32:28,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:32:28,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:32:28,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:32:28,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:32:28,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:32:28,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:32:28,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:32:28,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:32:28,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:32:28,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:32:28,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:32:28,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:32:28,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:32:28,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:32:28,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:32:28,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:32:28,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:32:28,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:32:28,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:32:28,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:32:28,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:32:28,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:32:28,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:32:28,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:32:28,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:32:28,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:32:28,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:32:28,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:32:28,938 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:32:28,939 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:32:28,939 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:32:28,939 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:32:28,941 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:32:28,942 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:32:28,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:32:28,944 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:32:28,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:32:28,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:32:28,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:32:28,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:32:28,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:32:28,946 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:32:28,946 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:32:28,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:32:28,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:32:28,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:32:28,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:32:28,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:32:28,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:32:28,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:32:28,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:32:28,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:28,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:32:28,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:32:28,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:32:28,951 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:32:28,951 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:32:28,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:32:28,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:32:28,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:32:28,952 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f6e67caa8159a722902bebe9d23adade07462f3fac0eb20b485945b97ba6592 [2021-11-23 17:32:29,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:32:29,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:32:29,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:32:29,454 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:32:29,455 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:32:29,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c [2021-11-23 17:32:29,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data/f7a966bea/98522d981d00483e9c4991263648325b/FLAG38c3e3e8a [2021-11-23 17:32:31,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:32:31,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c [2021-11-23 17:32:31,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data/f7a966bea/98522d981d00483e9c4991263648325b/FLAG38c3e3e8a [2021-11-23 17:32:31,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/data/f7a966bea/98522d981d00483e9c4991263648325b [2021-11-23 17:32:31,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:32:31,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:32:31,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:31,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:32:31,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:32:31,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:31" (1/1) ... [2021-11-23 17:32:31,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5dcdbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:31, skipping insertion in model container [2021-11-23 17:32:31,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:32:31" (1/1) ... [2021-11-23 17:32:31,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:32:31,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:32:35,031 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c[377069,377082] [2021-11-23 17:32:35,078 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c[383339,383352] [2021-11-23 17:32:35,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:35,354 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:32:37,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c[377069,377082] [2021-11-23 17:32:37,128 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_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/sv-benchmarks/c/combinations/Problem05_label40+token_ring.03.cil-2.c[383339,383352] [2021-11-23 17:32:37,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:32:37,241 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:32:37,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37 WrapperNode [2021-11-23 17:32:37,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:32:37,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:37,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:32:37,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:32:37,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:37,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:38,276 INFO L137 Inliner]: procedures = 51, calls = 50, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 12653 [2021-11-23 17:32:38,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:32:38,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:32:38,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:32:38,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:32:38,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:38,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:38,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:38,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:38,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:38,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:39,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:39,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:32:39,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:32:39,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:32:39,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:32:39,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (1/1) ... [2021-11-23 17:32:39,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:32:39,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:32:39,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:32:39,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:32:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:32:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 17:32:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 17:32:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 17:32:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 17:32:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 17:32:39,265 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 17:32:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:32:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 17:32:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 17:32:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 17:32:39,266 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 17:32:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 17:32:39,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 17:32:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:32:39,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:32:39,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:32:39,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:32:53,037 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:32:53,073 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:32:53,075 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-23 17:32:53,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:32:53 BoogieIcfgContainer [2021-11-23 17:32:53,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:32:53,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:32:53,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:32:53,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:32:53,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:32:31" (1/3) ... [2021-11-23 17:32:53,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5cb8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:32:53, skipping insertion in model container [2021-11-23 17:32:53,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:32:37" (2/3) ... [2021-11-23 17:32:53,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5cb8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:32:53, skipping insertion in model container [2021-11-23 17:32:53,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:32:53" (3/3) ... [2021-11-23 17:32:53,100 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem05_label40+token_ring.03.cil-2.c [2021-11-23 17:32:53,108 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:32:53,109 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 17:32:53,189 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:32:53,199 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 17:32:53,200 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 17:32:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 2340 states, 2314 states have (on average 1.8556611927398445) internal successors, (4294), 2317 states have internal predecessors, (4294), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-23 17:32:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 17:32:53,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:32:53,316 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] [2021-11-23 17:32:53,317 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:32:53,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:32:53,325 INFO L85 PathProgramCache]: Analyzing trace with hash 200056068, now seen corresponding path program 1 times [2021-11-23 17:32:53,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:32:53,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814923551] [2021-11-23 17:32:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:32:53,346 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:32:53,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:32:53,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:32:53,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:32:53,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:32:53,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:32:53,635 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 17:32:53,642 INFO L158 Benchmark]: Toolchain (without parser) took 22045.00ms. Allocated memory was 69.2MB in the beginning and 1.5GB in the end (delta: 1.5GB). Free memory was 39.1MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 190.3MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,643 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:32:53,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5644.09ms. Allocated memory was 69.2MB in the beginning and 205.5MB in the end (delta: 136.3MB). Free memory was 38.9MB in the beginning and 105.0MB in the end (delta: -66.1MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 1034.10ms. Allocated memory was 205.5MB in the beginning and 411.0MB in the end (delta: 205.5MB). Free memory was 105.0MB in the beginning and 281.6MB in the end (delta: -176.6MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,646 INFO L158 Benchmark]: Boogie Preprocessor took 870.18ms. Allocated memory is still 411.0MB. Free memory was 281.6MB in the beginning and 267.8MB in the end (delta: 13.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,647 INFO L158 Benchmark]: RCFGBuilder took 13933.71ms. Allocated memory was 411.0MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 267.8MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 512.8MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,648 INFO L158 Benchmark]: TraceAbstraction took 552.40ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 17:32:53,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5644.09ms. Allocated memory was 69.2MB in the beginning and 205.5MB in the end (delta: 136.3MB). Free memory was 38.9MB in the beginning and 105.0MB in the end (delta: -66.1MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1034.10ms. Allocated memory was 205.5MB in the beginning and 411.0MB in the end (delta: 205.5MB). Free memory was 105.0MB in the beginning and 281.6MB in the end (delta: -176.6MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 870.18ms. Allocated memory is still 411.0MB. Free memory was 281.6MB in the beginning and 267.8MB in the end (delta: 13.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 13933.71ms. Allocated memory was 411.0MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 267.8MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 512.8MB. Max. memory is 16.1GB. * TraceAbstraction took 552.40ms. Allocated memory is still 1.5GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 25.2MB). 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 17:32:53,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9e1d333-8ac9-4575-aaee-31c0a7b1646b/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