./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 621a7682bed2f65e2eb833b3fdeb3d2d81029067 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-26 02:46:32,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:46:32,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:46:32,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:46:32,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:46:32,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:46:32,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:46:32,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:46:32,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:46:32,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:46:32,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:46:32,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:46:32,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:46:32,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:46:32,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:46:32,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:46:32,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:46:32,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:46:32,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:46:32,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:46:32,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:46:32,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:46:32,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:46:32,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:46:32,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:46:32,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:46:32,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:46:32,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:46:32,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:46:32,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:46:32,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:46:32,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:46:32,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:46:32,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:46:32,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:46:32,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:46:32,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:46:32,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:46:32,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:46:32,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:46:32,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:46:32,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:46:32,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:46:32,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:46:32,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:46:32,704 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:46:32,704 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:46:32,704 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:46:32,704 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:46:32,704 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:46:32,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:46:32,705 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:46:32,705 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:46:32,705 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:46:32,705 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:46:32,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:46:32,706 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:46:32,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:46:32,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:46:32,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:46:32,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:46:32,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:46:32,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:46:32,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:46:32,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:46:32,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:46:32,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:46:32,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:46:32,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:46:32,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:46:32,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:46:32,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:46:32,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:46:32,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:46:32,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:46:32,710 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:46:32,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:46:32,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:46:32,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:46:32,711 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/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(__VERIFIER_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 -> 621a7682bed2f65e2eb833b3fdeb3d2d81029067 [2019-11-26 02:46:32,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:46:32,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:46:32,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:46:32,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:46:32,885 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:46:32,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2019-11-26 02:46:32,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/data/5047973f4/99445ef2101b42eab118b20d25974ccb/FLAGae4c526ff [2019-11-26 02:46:33,484 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:46:33,484 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2019-11-26 02:46:33,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/data/5047973f4/99445ef2101b42eab118b20d25974ccb/FLAGae4c526ff [2019-11-26 02:46:33,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/data/5047973f4/99445ef2101b42eab118b20d25974ccb [2019-11-26 02:46:33,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:46:33,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:46:33,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:46:33,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:46:33,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:46:33,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:46:33" (1/1) ... [2019-11-26 02:46:33,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b801e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:33, skipping insertion in model container [2019-11-26 02:46:33,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:46:33" (1/1) ... [2019-11-26 02:46:33,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:46:34,025 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:46:34,239 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-26 02:46:34,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:46:34,464 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:46:34,480 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-26 02:46:34,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:46:34,609 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:46:34,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34 WrapperNode [2019-11-26 02:46:34,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:46:34,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:46:34,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:46:34,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:46:34,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:46:34,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:46:34,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:46:34,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:46:34,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... [2019-11-26 02:46:34,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:46:34,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:46:34,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:46:34,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:46:34,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/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 [2019-11-26 02:46:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:46:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:46:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:46:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:46:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2019-11-26 02:46:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2019-11-26 02:46:34,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:46:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:46:34,763 WARN L202 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 02:46:35,277 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:46:35,277 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-26 02:46:35,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:35 BoogieIcfgContainer [2019-11-26 02:46:35,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:46:35,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:46:35,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:46:35,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:46:35,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:46:33" (1/3) ... [2019-11-26 02:46:35,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f67155a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:46:35, skipping insertion in model container [2019-11-26 02:46:35,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:34" (2/3) ... [2019-11-26 02:46:35,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f67155a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:46:35, skipping insertion in model container [2019-11-26 02:46:35,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:35" (3/3) ... [2019-11-26 02:46:35,296 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2019-11-26 02:46:35,351 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,351 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,352 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,352 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,352 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,352 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,353 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,353 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,353 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,353 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,354 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,354 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,354 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,354 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,355 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,355 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,355 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,355 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,355 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,356 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,356 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,356 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,356 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,357 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,357 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,357 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,357 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,357 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,358 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,358 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,358 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,358 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,358 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,359 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,359 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,359 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,359 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,359 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,360 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,360 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,360 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,360 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,361 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,361 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,361 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,361 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,361 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,362 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,362 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,362 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,362 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,362 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,363 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,363 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,363 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,363 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,364 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,364 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,364 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,364 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,364 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,365 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,365 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,365 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,365 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,366 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,366 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,366 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,366 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,366 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,367 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,367 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,367 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,367 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,368 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,368 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,368 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,368 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,369 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,369 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,369 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,369 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,370 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,370 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,370 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,370 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,370 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,371 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,371 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,371 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,372 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,372 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,372 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,372 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,373 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,373 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,373 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread2of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,373 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread2of3ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,374 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,375 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,375 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,375 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,375 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,375 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,376 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,376 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,376 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,376 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,377 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,377 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,377 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,377 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,378 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,378 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,378 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,378 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,378 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,379 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,379 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,379 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,379 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,380 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,380 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,380 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,380 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,380 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,381 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,381 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,381 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,381 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,381 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,381 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,382 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,382 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,382 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,382 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,382 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,383 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,383 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,383 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,383 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,384 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,384 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,384 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,384 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,384 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,385 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,385 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,385 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,385 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,385 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,386 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,386 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,386 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,386 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,386 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,387 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,387 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,387 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,387 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,388 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,388 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,388 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,388 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,388 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,389 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,389 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,389 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,389 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,389 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,390 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,390 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,390 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,390 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,391 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,391 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,391 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,391 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,391 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,392 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,392 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,392 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,392 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,393 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,393 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,393 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,393 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,393 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,394 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,394 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,394 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,394 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,395 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,395 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,395 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread3of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,395 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread3of3ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,396 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,397 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,397 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,397 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,397 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,397 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,398 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,398 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,398 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,398 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,398 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,399 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,399 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,399 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,399 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,400 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,400 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,400 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,400 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,400 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,401 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,401 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,401 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,401 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,401 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,402 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,402 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,402 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,402 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,402 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,403 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,403 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,403 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,403 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,403 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,404 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,404 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,404 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,404 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,404 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,405 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,405 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,405 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,405 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,405 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,405 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,406 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,406 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,406 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,406 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,407 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,407 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,407 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,407 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,407 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,408 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,408 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,408 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,408 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,408 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,409 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,409 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,409 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,409 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,409 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,410 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,410 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,410 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,410 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,410 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,411 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,411 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,411 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,411 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,411 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,412 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,412 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,412 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,412 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,413 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,413 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,413 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,413 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,413 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,414 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,414 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,414 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,414 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,414 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,415 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,415 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,415 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,415 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,415 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,416 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,416 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,416 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of3ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,416 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of3ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-26 02:46:35,435 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-26 02:46:35,435 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:46:35,442 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2019-11-26 02:46:35,452 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-11-26 02:46:35,469 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:46:35,470 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:46:35,470 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:46:35,470 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:46:35,470 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:46:35,470 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:46:35,470 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:46:35,471 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:46:35,486 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 211 places, 224 transitions [2019-11-26 02:46:35,596 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1672 states. [2019-11-26 02:46:35,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states. [2019-11-26 02:46:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:46:35,606 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:46:35,606 INFO L410 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] [2019-11-26 02:46:35,607 INFO L410 AbstractCegarLoop]: === Iteration 1 === [reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:46:35,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:46:35,612 INFO L82 PathProgramCache]: Analyzing trace with hash 400021179, now seen corresponding path program 1 times [2019-11-26 02:46:35,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:46:35,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443805662] [2019-11-26 02:46:35,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:46:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:35,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443805662] [2019-11-26 02:46:35,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:46:35,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:46:35,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946546794] [2019-11-26 02:46:35,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:46:35,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:46:35,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:46:35,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:46:35,816 INFO L87 Difference]: Start difference. First operand 1672 states. Second operand 3 states. [2019-11-26 02:46:35,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:46:35,897 INFO L93 Difference]: Finished difference Result 2464 states and 4980 transitions. [2019-11-26 02:46:35,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:46:35,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-26 02:46:35,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:46:35,928 INFO L225 Difference]: With dead ends: 2464 [2019-11-26 02:46:35,928 INFO L226 Difference]: Without dead ends: 2324 [2019-11-26 02:46:35,930 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:46:35,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2019-11-26 02:46:36,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 1565. [2019-11-26 02:46:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2019-11-26 02:46:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 3163 transitions. [2019-11-26 02:46:36,055 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 3163 transitions. Word has length 22 [2019-11-26 02:46:36,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:46:36,056 INFO L462 AbstractCegarLoop]: Abstraction has 1565 states and 3163 transitions. [2019-11-26 02:46:36,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:46:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 3163 transitions. [2019-11-26 02:46:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:46:36,061 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:46:36,061 INFO L410 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] [2019-11-26 02:46:36,061 INFO L410 AbstractCegarLoop]: === Iteration 2 === [reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:46:36,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:46:36,062 INFO L82 PathProgramCache]: Analyzing trace with hash -71791618, now seen corresponding path program 1 times [2019-11-26 02:46:36,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:46:36,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607081423] [2019-11-26 02:46:36,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:46:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:46:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:46:36,158 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:46:36,158 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:46:36,210 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-26 02:46:36,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:46:36 BasicIcfg [2019-11-26 02:46:36,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:46:36,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:46:36,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:46:36,215 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:46:36,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:35" (3/4) ... [2019-11-26 02:46:36,218 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:46:36,276 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9dae0a41-a5c1-4cd5-8aba-1f599c595ebd/bin/utaipan/witness.graphml [2019-11-26 02:46:36,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:46:36,278 INFO L168 Benchmark]: Toolchain (without parser) took 2320.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.3 MB in the beginning and 942.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 129.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:36,279 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:46:36,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:36,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:46:36,281 INFO L168 Benchmark]: Boogie Preprocessor took 31.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:36,281 INFO L168 Benchmark]: RCFGBuilder took 585.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:36,282 INFO L168 Benchmark]: TraceAbstraction took 935.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.5 MB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:36,283 INFO L168 Benchmark]: Witness Printer took 61.99 ms. Allocated memory is still 1.2 GB. Free memory was 953.5 MB in the beginning and 942.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:36,285 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 651.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 585.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 935.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.5 MB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.99 ms. Allocated memory is still 1.2 GB. Free memory was 953.5 MB in the beginning and 942.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 844]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L853] 0 pthread_t reader; [L854] 0 Ring r; [L812] EXPR 0 r->writer = 0 [L812] 0 r->reader = r->writer = 0 [L856] FCALL, FORK 0 pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r ) [L840] 1 Ring *r = arg; [L841] 1 long val = 0, last = 0, i = 0; [L842] COND TRUE 1 i < 8 [L804] EXPR 1 r->reader [L804] EXPR 1 r->q[ r->reader ] [L804] 1 long x = r->q[ r->reader ]; [L805] EXPR 1 r->reader [L805] 1 r->reader = (r->reader + 1) % 4 [L806] 1 return x; [L843] 1 val = ring_dequeue( r ) [L844] 1 !(val == last + 1) ? __VERIFIER_error() : (void)0 [L844] 1 __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 255 locations, 12 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 137 SDtfs, 57 SDslu, 101 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 759 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 483 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...