./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan --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 91b38ad7ab67d81aafbb5fd4f68820f19b8e6fc7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 20:16:11,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:16:11,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:16:11,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:16:11,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:16:11,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:16:11,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:16:11,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:16:11,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:16:11,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:16:11,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:16:11,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:16:11,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:16:11,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:16:11,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:16:11,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:16:11,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:16:11,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:16:11,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:16:11,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:16:11,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:16:11,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:16:11,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:16:11,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:16:11,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:16:11,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:16:11,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:16:11,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:16:11,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:16:11,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:16:11,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:16:11,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:16:11,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:16:11,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:16:11,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:16:11,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:16:11,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:16:11,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:16:11,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:16:11,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:16:11,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:16:11,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 20:16:11,814 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:16:11,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:16:11,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:16:11,815 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:16:11,815 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:16:11,815 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:16:11,815 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 20:16:11,815 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:16:11,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:16:11,815 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 20:16:11,815 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 20:16:11,815 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:16:11,816 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 20:16:11,816 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 20:16:11,816 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 20:16:11,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:16:11,817 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:16:11,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 20:16:11,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:16:11,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:16:11,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:16:11,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:16:11,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:16:11,818 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:16:11,818 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:16:11,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:16:11,818 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:16:11,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:16:11,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:16:11,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:16:11,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:16:11,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:16:11,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:16:11,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:16:11,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 20:16:11,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 20:16:11,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:16:11,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:16:11,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:16:11,819 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-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91b38ad7ab67d81aafbb5fd4f68820f19b8e6fc7 [2020-12-09 20:16:12,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:16:12,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:16:12,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:16:12,030 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:16:12,030 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:16:12,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2020-12-09 20:16:12,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/data/53c0842c3/c593cb0ee04b4b6ab0fe655be58ac9eb/FLAG16b318794 [2020-12-09 20:16:12,513 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:16:12,513 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2020-12-09 20:16:12,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/data/53c0842c3/c593cb0ee04b4b6ab0fe655be58ac9eb/FLAG16b318794 [2020-12-09 20:16:12,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/data/53c0842c3/c593cb0ee04b4b6ab0fe655be58ac9eb [2020-12-09 20:16:12,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:16:12,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:16:12,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:16:12,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:16:12,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:16:12,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4aa81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12, skipping insertion in model container [2020-12-09 20:16:12,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:16:12,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:16:12,677 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-09 20:16:12,802 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2020-12-09 20:16:12,811 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2020-12-09 20:16:12,812 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2020-12-09 20:16:12,815 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2020-12-09 20:16:12,816 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2020-12-09 20:16:12,816 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2020-12-09 20:16:12,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:16:12,825 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 20:16:12,833 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-12-09 20:16:12,854 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2020-12-09 20:16:12,854 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2020-12-09 20:16:12,855 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2020-12-09 20:16:12,857 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2020-12-09 20:16:12,858 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2020-12-09 20:16:12,858 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2020-12-09 20:16:12,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:16:12,930 INFO L208 MainTranslator]: Completed translation [2020-12-09 20:16:12,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12 WrapperNode [2020-12-09 20:16:12,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:16:12,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 20:16:12,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 20:16:12,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 20:16:12,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 20:16:12,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 20:16:12,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 20:16:12,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 20:16:12,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... [2020-12-09 20:16:12,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 20:16:12,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 20:16:12,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 20:16:12,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 20:16:12,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:16:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 20:16:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 20:16:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 20:16:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 20:16:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 20:16:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2020-12-09 20:16:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2020-12-09 20:16:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 20:16:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 20:16:13,051 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-09 20:16:13,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 20:16:13,334 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2020-12-09 20:16:13,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:16:13 BoogieIcfgContainer [2020-12-09 20:16:13,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 20:16:13,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 20:16:13,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 20:16:13,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 20:16:13,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:16:12" (1/3) ... [2020-12-09 20:16:13,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243cf0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:16:13, skipping insertion in model container [2020-12-09 20:16:13,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:16:12" (2/3) ... [2020-12-09 20:16:13,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243cf0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:16:13, skipping insertion in model container [2020-12-09 20:16:13,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:16:13" (3/3) ... [2020-12-09 20:16:13,342 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2020-12-09 20:16:13,351 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-09 20:16:13,352 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 20:16:13,354 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 20:16:13,355 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-09 20:16:13,381 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,381 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,381 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,381 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,382 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,382 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,382 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,382 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,383 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,383 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,383 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,383 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,383 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,383 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,384 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,384 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,384 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,384 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,384 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,385 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,385 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,385 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,385 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,385 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,386 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,386 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,386 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,386 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,386 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,387 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,387 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,387 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,387 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,387 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,387 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,388 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,388 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,388 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,388 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,388 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,389 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,389 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,389 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,389 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,389 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,389 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,390 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,390 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,390 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,390 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,390 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,391 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,391 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,391 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,391 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,391 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,391 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,392 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,392 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,392 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,392 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,392 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,392 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,392 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,393 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,393 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,393 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,393 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,393 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,393 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,394 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,394 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,394 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,394 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,394 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,395 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,395 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,395 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,395 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,395 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,395 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,396 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,396 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,396 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,396 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,396 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,397 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,397 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,397 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,397 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,397 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,398 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,398 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,398 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,398 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,398 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,398 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,399 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,399 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,399 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,399 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,399 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,400 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,400 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,400 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,400 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,400 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,400 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,401 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,401 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,401 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,401 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,401 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,402 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,402 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,402 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,402 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,402 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,403 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,403 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,403 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,403 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,403 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,403 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,404 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,404 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,404 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,404 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,404 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,404 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,404 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,405 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,405 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,405 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,405 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,405 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,405 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,405 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,406 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,406 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,406 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,406 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,406 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,406 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,407 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,407 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,407 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,407 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,407 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,407 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,408 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,408 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,408 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,408 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,408 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,408 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,409 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,409 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,409 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,409 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,409 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,409 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,409 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,410 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,410 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,410 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,410 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,410 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,410 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,411 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,411 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,411 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,411 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,411 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,411 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,411 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,411 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,412 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,412 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,412 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,412 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,412 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,412 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,413 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,413 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,413 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,413 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,413 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,413 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,413 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,413 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,414 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,414 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,414 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,414 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,414 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,416 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,416 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,417 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,417 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,417 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,417 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,417 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,417 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,417 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,418 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,418 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,418 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,418 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,418 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,418 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,418 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,419 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,419 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,419 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,419 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,419 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,419 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,419 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,419 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,420 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,420 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,420 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,420 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 20:16:13,425 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-09 20:16:13,435 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-09 20:16:13,455 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 20:16:13,455 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 20:16:13,455 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 20:16:13,455 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 20:16:13,455 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 20:16:13,455 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 20:16:13,456 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 20:16:13,456 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 20:16:13,467 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-09 20:16:13,469 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 124 transitions, 256 flow [2020-12-09 20:16:13,472 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 124 transitions, 256 flow [2020-12-09 20:16:13,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 124 transitions, 256 flow [2020-12-09 20:16:13,519 INFO L129 PetriNetUnfolder]: 9/123 cut-off events. [2020-12-09 20:16:13,519 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-12-09 20:16:13,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 123 events. 9/123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 218 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2020-12-09 20:16:13,533 INFO L116 LiptonReduction]: Number of co-enabled transitions 3888 [2020-12-09 20:16:17,046 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-12-09 20:16:17,178 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-12-09 20:16:17,463 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2020-12-09 20:16:17,617 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-12-09 20:16:17,666 INFO L131 LiptonReduction]: Checked pairs total: 5008 [2020-12-09 20:16:17,667 INFO L133 LiptonReduction]: Total number of compositions: 123 [2020-12-09 20:16:17,672 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 26 transitions, 60 flow [2020-12-09 20:16:17,682 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2020-12-09 20:16:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2020-12-09 20:16:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 20:16:17,688 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:16:17,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 20:16:17,689 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:16:17,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:16:17,694 INFO L82 PathProgramCache]: Analyzing trace with hash 15303022, now seen corresponding path program 1 times [2020-12-09 20:16:17,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:16:17,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808153654] [2020-12-09 20:16:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:16:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:16:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:16:17,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808153654] [2020-12-09 20:16:17,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:16:17,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:16:17,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091214029] [2020-12-09 20:16:17,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:16:17,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:16:17,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:16:17,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:16:17,830 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2020-12-09 20:16:17,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:16:17,856 INFO L93 Difference]: Finished difference Result 139 states and 289 transitions. [2020-12-09 20:16:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:16:17,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-09 20:16:17,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:16:17,865 INFO L225 Difference]: With dead ends: 139 [2020-12-09 20:16:17,865 INFO L226 Difference]: Without dead ends: 128 [2020-12-09 20:16:17,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:16:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-12-09 20:16:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 92. [2020-12-09 20:16:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-09 20:16:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 192 transitions. [2020-12-09 20:16:17,896 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 192 transitions. Word has length 4 [2020-12-09 20:16:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:16:17,896 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 192 transitions. [2020-12-09 20:16:17,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:16:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 192 transitions. [2020-12-09 20:16:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 20:16:17,897 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:16:17,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:16:17,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 20:16:17,897 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:16:17,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:16:17,898 INFO L82 PathProgramCache]: Analyzing trace with hash 626941370, now seen corresponding path program 1 times [2020-12-09 20:16:17,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:16:17,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177395927] [2020-12-09 20:16:17,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:16:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 20:16:17,930 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 20:16:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 20:16:17,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 20:16:17,968 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 20:16:17,968 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 20:16:17,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 20:16:17,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:16:17 BasicIcfg [2020-12-09 20:16:17,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 20:16:17,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 20:16:17,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 20:16:17,986 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 20:16:17,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:16:13" (3/4) ... [2020-12-09 20:16:17,987 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 20:16:18,031 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a1904941-4c4b-4f96-83b6-0aa6f7ef6eca/bin/utaipan/witness.graphml [2020-12-09 20:16:18,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 20:16:18,032 INFO L168 Benchmark]: Toolchain (without parser) took 5491.18 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 63.8 MB in the beginning and 106.2 MB in the end (delta: -42.4 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-12-09 20:16:18,032 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 94.4 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:16:18,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.29 ms. Allocated memory is still 94.4 MB. Free memory was 63.7 MB in the beginning and 67.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-12-09 20:16:18,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.63 ms. Allocated memory is still 94.4 MB. Free memory was 67.1 MB in the beginning and 64.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 20:16:18,034 INFO L168 Benchmark]: Boogie Preprocessor took 28.92 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 63.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 20:16:18,034 INFO L168 Benchmark]: RCFGBuilder took 338.78 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 63.0 MB in the beginning and 80.5 MB in the end (delta: -17.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 20:16:18,035 INFO L168 Benchmark]: TraceAbstraction took 4648.17 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 79.9 MB in the beginning and 81.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-12-09 20:16:18,035 INFO L168 Benchmark]: Witness Printer took 45.60 ms. Allocated memory is still 136.3 MB. Free memory was 81.1 MB in the beginning and 106.2 MB in the end (delta: -25.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:16:18,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 94.4 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.29 ms. Allocated memory is still 94.4 MB. Free memory was 63.7 MB in the beginning and 67.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.63 ms. Allocated memory is still 94.4 MB. Free memory was 67.1 MB in the beginning and 64.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.92 ms. Allocated memory is still 94.4 MB. Free memory was 64.6 MB in the beginning and 63.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 338.78 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 63.0 MB in the beginning and 80.5 MB in the end (delta: -17.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4648.17 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 79.9 MB in the beginning and 81.1 MB in the end (delta: -1.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Witness Printer took 45.60 ms. Allocated memory is still 136.3 MB. Free memory was 81.1 MB in the beginning and 106.2 MB in the end (delta: -25.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2733 VarBasedMoverChecksPositive, 78 VarBasedMoverChecksNegative, 11 SemBasedMoverChecksPositive, 67 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 107 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 119 PlacesBefore, 26 PlacesAfterwards, 124 TransitionsBefore, 26 TransitionsAfterwards, 3888 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 5 ChoiceCompositions, 123 TotalNumberOfCompositions, 5008 MoverChecksTotal - CounterExampleResult [Line: 855]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L864] 0 pthread_t reader; [L865] 0 Ring r; [L823] EXPR 0 r->writer = 0 [L823] 0 r->reader = r->writer = 0 [L867] FCALL, FORK 0 pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r ) [L851] 1 Ring *r = arg; [L852] 1 long val = 0, last = 0, i = 0; [L853] COND TRUE 1 i < 8 [L815] EXPR 1 r->reader [L815] EXPR 1 r->q[ r->reader ] [L815] 1 long x = r->q[ r->reader ]; [L816] EXPR 1 r->reader [L816] 1 r->reader = (r->reader + 1) % 4 [L817] 1 return x; [L854] 1 val = ring_dequeue( r ) [L855] 1 !(val == last + 1) ? reach_error() : (void)0 [L855] 1 reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 116 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 32 SDtfs, 14 SDslu, 18 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...