./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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 5055f39b9198ec38ad0f2881791eb80b1e4ab6fc763077f931bae502928055b4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:21:46,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:21:46,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:21:46,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:21:46,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:21:46,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:21:46,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:21:46,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:21:46,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:21:46,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:21:46,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:21:46,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:21:46,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:21:46,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:21:46,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:21:46,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:21:46,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:21:46,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:21:46,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:21:46,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:21:46,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:21:46,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:21:46,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:21:46,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:21:46,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:21:46,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:21:46,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:21:46,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:21:46,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:21:46,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:21:46,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:21:46,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:21:46,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:21:46,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:21:46,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:21:46,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:21:46,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:21:46,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:21:46,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:21:46,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:21:46,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:21:46,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:21:46,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:21:46,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:21:46,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:21:46,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:21:46,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:21:46,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:21:46,143 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:21:46,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:21:46,143 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:21:46,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:21:46,144 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:21:46,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:21:46,144 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:21:46,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:21:46,145 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:21:46,145 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:21:46,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:21:46,145 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:21:46,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:21:46,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:21:46,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:21:46,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:21:46,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:21:46,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:21:46,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:21:46,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:21:46,148 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:21:46,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:21:46,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:21:46,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:21:46,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:21:46,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:21:46,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:21:46,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:21:46,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:21:46,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:21:46,150 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:21:46,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:21:46,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:21:46,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:21:46,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:21:46,152 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5055f39b9198ec38ad0f2881791eb80b1e4ab6fc763077f931bae502928055b4 [2021-11-23 17:21:46,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:21:46,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:21:46,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:21:46,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:21:46,485 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:21:46,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c [2021-11-23 17:21:46,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data/681f1753e/d40d6436fc654812a9bd62d3fe1a5692/FLAGa5aef104a [2021-11-23 17:21:47,777 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:21:47,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c [2021-11-23 17:21:47,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data/681f1753e/d40d6436fc654812a9bd62d3fe1a5692/FLAGa5aef104a [2021-11-23 17:21:47,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data/681f1753e/d40d6436fc654812a9bd62d3fe1a5692 [2021-11-23 17:21:47,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:21:47,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:21:47,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:21:47,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:21:47,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:21:47,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:21:47" (1/1) ... [2021-11-23 17:21:47,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3089f2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:47, skipping insertion in model container [2021-11-23 17:21:47,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:21:47" (1/1) ... [2021-11-23 17:21:48,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:21:48,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:21:50,524 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c[382357,382370] [2021-11-23 17:21:50,549 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c[383339,383352] [2021-11-23 17:21:50,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:21:50,768 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:21:52,006 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c[382357,382370] [2021-11-23 17:21:52,014 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c[383339,383352] [2021-11-23 17:21:52,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:21:52,116 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:21:52,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52 WrapperNode [2021-11-23 17:21:52,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:21:52,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:21:52,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:21:52,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:21:52,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:52,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:52,728 INFO L137 Inliner]: procedures = 50, calls = 51, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 12682 [2021-11-23 17:21:52,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:21:52,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:21:52,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:21:52,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:21:52,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:52,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:52,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:52,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:53,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:53,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:53,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:53,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:21:53,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:21:53,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:21:53,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:21:53,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:52" (1/1) ... [2021-11-23 17:21:53,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:21:53,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:21:53,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:21:53,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:21:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 17:21:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 17:21:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 17:21:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 17:21:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 17:21:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 17:21:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 17:21:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 17:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 17:21:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 17:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 17:21:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 17:21:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 17:21:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 17:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:21:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:21:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:21:53,713 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:21:53,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:22:01,443 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:22:01,547 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 17:22:01,558 INFO L158 Benchmark]: Toolchain (without parser) took 13570.89ms. Allocated memory was 117.4MB in the beginning and 981.5MB in the end (delta: 864.0MB). Free memory was 69.3MB in the beginning and 670.5MB in the end (delta: -601.2MB). Peak memory consumption was 316.4MB. Max. memory is 16.1GB. [2021-11-23 17:22:01,558 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:22:01,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4129.37ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 69.3MB in the beginning and 136.7MB in the end (delta: -67.4MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2021-11-23 17:22:01,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 610.53ms. Allocated memory is still 251.7MB. Free memory was 136.7MB in the beginning and 105.4MB in the end (delta: 31.3MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2021-11-23 17:22:01,562 INFO L158 Benchmark]: Boogie Preprocessor took 621.06ms. Allocated memory was 251.7MB in the beginning and 490.7MB in the end (delta: 239.1MB). Free memory was 105.4MB in the beginning and 333.8MB in the end (delta: -228.4MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2021-11-23 17:22:01,563 INFO L158 Benchmark]: RCFGBuilder took 8203.37ms. Allocated memory was 490.7MB in the beginning and 981.5MB in the end (delta: 490.7MB). Free memory was 333.8MB in the beginning and 670.5MB in the end (delta: -336.7MB). Peak memory consumption was 207.6MB. Max. memory is 16.1GB. [2021-11-23 17:22:01,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4129.37ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 69.3MB in the beginning and 136.7MB in the end (delta: -67.4MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 610.53ms. Allocated memory is still 251.7MB. Free memory was 136.7MB in the beginning and 105.4MB in the end (delta: 31.3MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 621.06ms. Allocated memory was 251.7MB in the beginning and 490.7MB in the end (delta: 239.1MB). Free memory was 105.4MB in the beginning and 333.8MB in the end (delta: -228.4MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8203.37ms. Allocated memory was 490.7MB in the beginning and 981.5MB in the end (delta: 490.7MB). Free memory was 333.8MB in the beginning and 670.5MB in the end (delta: -336.7MB). Peak memory consumption was 207.6MB. 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 17:22:01,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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 5055f39b9198ec38ad0f2881791eb80b1e4ab6fc763077f931bae502928055b4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:22:04,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:22:04,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:22:04,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:22:04,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:22:04,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:22:04,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:22:04,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:22:04,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:22:04,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:22:04,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:22:04,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:22:04,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:22:04,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:22:04,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:22:04,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:22:04,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:22:04,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:22:04,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:22:04,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:22:04,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:22:04,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:22:04,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:22:04,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:22:04,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:22:04,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:22:04,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:22:04,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:22:04,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:22:04,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:22:04,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:22:04,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:22:04,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:22:04,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:22:04,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:22:04,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:22:04,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:22:04,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:22:04,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:22:04,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:22:04,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:22:04,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:22:04,174 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:22:04,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:22:04,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:22:04,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:22:04,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:22:04,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:22:04,176 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:22:04,176 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:22:04,176 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:22:04,177 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:22:04,178 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:22:04,178 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:22:04,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:22:04,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:22:04,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:22:04,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:22:04,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:22:04,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:22:04,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:22:04,181 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:22:04,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:22:04,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:22:04,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:22:04,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:22:04,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:22:04,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:22:04,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:22:04,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:22:04,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:22:04,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:04,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:22:04,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:22:04,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:22:04,184 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:22:04,184 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:22:04,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:22:04,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:22:04,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:22:04,185 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5055f39b9198ec38ad0f2881791eb80b1e4ab6fc763077f931bae502928055b4 [2021-11-23 17:22:04,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:22:04,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:22:04,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:22:04,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:22:04,619 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:22:04,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c [2021-11-23 17:22:04,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data/a713cb114/45d61869b6634528a88164589cd75635/FLAGe074662d0 [2021-11-23 17:22:05,750 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:22:05,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c [2021-11-23 17:22:05,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data/a713cb114/45d61869b6634528a88164589cd75635/FLAGe074662d0 [2021-11-23 17:22:06,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/data/a713cb114/45d61869b6634528a88164589cd75635 [2021-11-23 17:22:06,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:22:06,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:22:06,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:06,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:22:06,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:22:06,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:06" (1/1) ... [2021-11-23 17:22:06,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ece131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:06, skipping insertion in model container [2021-11-23 17:22:06,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:22:06" (1/1) ... [2021-11-23 17:22:06,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:22:06,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:22:08,848 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c[382357,382370] [2021-11-23 17:22:08,873 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c[383339,383352] [2021-11-23 17:22:09,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:22:09,089 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:22:10,414 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c[382357,382370] [2021-11-23 17:22:10,418 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_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/sv-benchmarks/c/combinations/Problem05_label46+token_ring.03.cil-1.c[383339,383352] [2021-11-23 17:22:10,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:22:10,595 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:22:10,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10 WrapperNode [2021-11-23 17:22:10,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:22:10,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:22:10,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:22:10,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:22:10,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:10,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:11,251 INFO L137 Inliner]: procedures = 51, calls = 51, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 12657 [2021-11-23 17:22:11,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:22:11,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:22:11,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:22:11,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:22:11,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:11,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:11,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:11,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:11,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:12,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:12,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:12,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:22:12,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:22:12,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:22:12,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:22:12,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (1/1) ... [2021-11-23 17:22:12,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:22:12,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:22:12,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:22:12,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:22:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:22:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 17:22:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 17:22:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 17:22:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 17:22:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 17:22:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 17:22:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:22:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 17:22:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 17:22:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 17:22:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 17:22:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 17:22:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 17:22:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 17:22:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 17:22:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:22:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:22:12,369 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:22:12,371 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:22:22,458 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:22:22,497 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:22:22,497 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-23 17:22:22,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:22:22 BoogieIcfgContainer [2021-11-23 17:22:22,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:22:22,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:22:22,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:22:22,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:22:22,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:22:06" (1/3) ... [2021-11-23 17:22:22,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f86657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:22:22, skipping insertion in model container [2021-11-23 17:22:22,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:22:10" (2/3) ... [2021-11-23 17:22:22,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f86657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:22:22, skipping insertion in model container [2021-11-23 17:22:22,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:22:22" (3/3) ... [2021-11-23 17:22:22,511 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem05_label46+token_ring.03.cil-1.c [2021-11-23 17:22:22,516 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:22:22,516 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 17:22:22,573 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:22:22,580 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 17:22:22,580 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 17:22:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 2348 states, 2319 states have (on average 1.8559724018973696) internal successors, (4304), 2324 states have internal predecessors, (4304), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-23 17:22:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 17:22:22,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:22:22,652 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] [2021-11-23 17:22:22,653 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:22:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:22:22,659 INFO L85 PathProgramCache]: Analyzing trace with hash 520182233, now seen corresponding path program 1 times [2021-11-23 17:22:22,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:22:22,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320073768] [2021-11-23 17:22:22,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:22:22,673 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:22:22,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:22:22,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:22:22,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:22:22,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:22:22,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:22:22,943 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 17:22:22,947 INFO L158 Benchmark]: Toolchain (without parser) took 16897.94ms. Allocated memory was 77.6MB in the beginning and 757.1MB in the end (delta: 679.5MB). Free memory was 43.9MB in the beginning and 292.9MB in the end (delta: -249.0MB). Peak memory consumption was 429.6MB. Max. memory is 16.1GB. [2021-11-23 17:22:22,948 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 77.6MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:22:22,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4544.98ms. Allocated memory was 77.6MB in the beginning and 190.8MB in the end (delta: 113.2MB). Free memory was 43.6MB in the beginning and 83.7MB in the end (delta: -40.1MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2021-11-23 17:22:22,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 654.30ms. Allocated memory is still 190.8MB. Free memory was 83.7MB in the beginning and 59.5MB in the end (delta: 24.2MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2021-11-23 17:22:22,951 INFO L158 Benchmark]: Boogie Preprocessor took 860.22ms. Allocated memory was 190.8MB in the beginning and 392.2MB in the end (delta: 201.3MB). Free memory was 59.5MB in the beginning and 235.3MB in the end (delta: -175.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 17:22:22,953 INFO L158 Benchmark]: RCFGBuilder took 10388.50ms. Allocated memory was 392.2MB in the beginning and 757.1MB in the end (delta: 364.9MB). Free memory was 235.3MB in the beginning and 318.1MB in the end (delta: -82.7MB). Peak memory consumption was 463.2MB. Max. memory is 16.1GB. [2021-11-23 17:22:22,955 INFO L158 Benchmark]: TraceAbstraction took 441.28ms. Allocated memory is still 757.1MB. Free memory was 317.0MB in the beginning and 292.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 17:22:22,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 77.6MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4544.98ms. Allocated memory was 77.6MB in the beginning and 190.8MB in the end (delta: 113.2MB). Free memory was 43.6MB in the beginning and 83.7MB in the end (delta: -40.1MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 654.30ms. Allocated memory is still 190.8MB. Free memory was 83.7MB in the beginning and 59.5MB in the end (delta: 24.2MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 860.22ms. Allocated memory was 190.8MB in the beginning and 392.2MB in the end (delta: 201.3MB). Free memory was 59.5MB in the beginning and 235.3MB in the end (delta: -175.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10388.50ms. Allocated memory was 392.2MB in the beginning and 757.1MB in the end (delta: 364.9MB). Free memory was 235.3MB in the beginning and 318.1MB in the end (delta: -82.7MB). Peak memory consumption was 463.2MB. Max. memory is 16.1GB. * TraceAbstraction took 441.28ms. Allocated memory is still 757.1MB. Free memory was 317.0MB in the beginning and 292.9MB in the end (delta: 24.1MB). 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 17:22:22,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d2acd-d8c5-48bb-b6e4-1bc76594b9f8/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable