./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 f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --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 0.1.25-f470102 [2019-11-28 18:36:44,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:36:44,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:36:44,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:36:44,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:36:44,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:36:44,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:36:44,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:36:44,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:36:44,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:36:44,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:36:44,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:36:44,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:36:44,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:36:44,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:36:44,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:36:44,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:36:44,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:36:44,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:36:44,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:36:44,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:36:44,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:36:44,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:36:44,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:36:44,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:36:44,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:36:44,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:36:45,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:36:45,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:36:45,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:36:45,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:36:45,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:36:45,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:36:45,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:36:45,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:36:45,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:36:45,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:36:45,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:36:45,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:36:45,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:36:45,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:36:45,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:36:45,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:36:45,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:36:45,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:36:45,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:36:45,053 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:36:45,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:36:45,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:36:45,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:36:45,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:36:45,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:36:45,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:36:45,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:36:45,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:36:45,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:36:45,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:36:45,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:36:45,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:36:45,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:36:45,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:36:45,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:36:45,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:36:45,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:36:45,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:36:45,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:36:45,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:36:45,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:36:45,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:36:45,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:36:45,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:36:45,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 [2019-11-28 18:36:45,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:36:45,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:36:45,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:36:45,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:36:45,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:36:45,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2019-11-28 18:36:45,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0974f2505/217dc076cfa84d79a3319bc94c2e804e/FLAG50efe1062 [2019-11-28 18:36:46,081 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:36:46,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2019-11-28 18:36:46,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0974f2505/217dc076cfa84d79a3319bc94c2e804e/FLAG50efe1062 [2019-11-28 18:36:46,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0974f2505/217dc076cfa84d79a3319bc94c2e804e [2019-11-28 18:36:46,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:36:46,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:36:46,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:46,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:36:46,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:36:46,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:46" (1/1) ... [2019-11-28 18:36:46,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ccfbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:46, skipping insertion in model container [2019-11-28 18:36:46,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:36:46" (1/1) ... [2019-11-28 18:36:46,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:36:46,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:36:46,613 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 18:36:46,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:36:46,976 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:36:46,992 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-28 18:36:47,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:36:47,152 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:36:47,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47 WrapperNode [2019-11-28 18:36:47,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:36:47,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:36:47,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:36:47,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:36:47,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:36:47,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:36:47,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:36:47,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:36:47,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... [2019-11-28 18:36:47,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:36:47,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:36:47,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:36:47,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:36:47,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 18:36:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:36:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:36:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 18:36:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:36:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2019-11-28 18:36:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2019-11-28 18:36:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:36:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:36:47,398 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 18:36:47,876 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:36:47,877 INFO L287 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-28 18:36:47,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:36:47 BoogieIcfgContainer [2019-11-28 18:36:47,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:36:47,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:36:47,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:36:47,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:36:47,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:36:46" (1/3) ... [2019-11-28 18:36:47,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7891dc7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:36:47, skipping insertion in model container [2019-11-28 18:36:47,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:36:47" (2/3) ... [2019-11-28 18:36:47,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7891dc7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:36:47, skipping insertion in model container [2019-11-28 18:36:47,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:36:47" (3/3) ... [2019-11-28 18:36:47,887 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2019-11-28 18:36:47,897 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:36:47,897 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:36:47,903 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 18:36:47,904 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:36:47,932 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,932 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,932 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,933 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,933 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,933 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,934 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,934 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,934 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,934 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,934 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,935 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,935 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,935 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,935 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,936 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,936 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,936 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,936 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,936 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,937 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,937 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,937 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,937 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,937 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,938 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,938 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,938 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,938 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,938 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,938 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,939 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,939 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,939 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,939 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,939 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,940 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,940 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,940 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,940 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,940 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,941 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,941 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,941 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,941 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,941 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,942 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,942 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,942 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,942 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,942 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,942 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,943 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,943 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,943 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,943 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,944 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,944 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,944 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,944 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,944 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,945 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,945 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,945 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,945 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,945 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,945 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,946 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,946 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,946 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,946 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,946 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,947 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,947 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,947 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,947 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,948 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,948 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,948 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,948 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,948 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,949 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,949 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,949 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,949 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,950 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,950 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,950 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,950 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,951 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,951 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,951 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,951 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,952 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,952 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,952 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,952 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,953 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:36:47,977 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-11-28 18:36:47,996 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:36:47,997 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:36:47,997 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:36:47,997 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:36:47,997 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:36:47,997 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:36:47,998 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:36:47,998 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:36:48,014 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 113 transitions [2019-11-28 18:36:48,016 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 108 places, 113 transitions [2019-11-28 18:36:48,097 INFO L134 PetriNetUnfolder]: 9/112 cut-off events. [2019-11-28 18:36:48,097 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:36:48,106 INFO L76 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 112 events. 9/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 254 event pairs. 6/106 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2019-11-28 18:36:48,115 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 108 places, 113 transitions [2019-11-28 18:36:48,164 INFO L134 PetriNetUnfolder]: 9/112 cut-off events. [2019-11-28 18:36:48,164 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:36:48,169 INFO L76 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 112 events. 9/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 254 event pairs. 6/106 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2019-11-28 18:36:48,177 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3888 [2019-11-28 18:36:48,178 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:36:50,442 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-11-28 18:36:50,836 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-11-28 18:36:51,061 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4798 [2019-11-28 18:36:51,062 INFO L214 etLargeBlockEncoding]: Total number of compositions: 106 [2019-11-28 18:36:51,066 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 26 transitions [2019-11-28 18:36:51,081 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-11-28 18:36:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-11-28 18:36:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 18:36:51,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:36:51,091 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 18:36:51,092 INFO L410 AbstractCegarLoop]: === Iteration 1 === [reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-11-28 18:36:51,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:36:51,098 INFO L82 PathProgramCache]: Analyzing trace with hash 14029129, now seen corresponding path program 1 times [2019-11-28 18:36:51,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:36:51,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638187379] [2019-11-28 18:36:51,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:36:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:36:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:36:51,315 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638187379] [2019-11-28 18:36:51,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:36:51,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:36:51,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665703262] [2019-11-28 18:36:51,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:36:51,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:36:51,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:36:51,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:36:51,336 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-11-28 18:36:51,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:36:51,377 INFO L93 Difference]: Finished difference Result 139 states and 289 transitions. [2019-11-28 18:36:51,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:36:51,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-28 18:36:51,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:36:51,407 INFO L225 Difference]: With dead ends: 139 [2019-11-28 18:36:51,408 INFO L226 Difference]: Without dead ends: 128 [2019-11-28 18:36:51,411 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:36:51,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-28 18:36:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 92. [2019-11-28 18:36:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-28 18:36:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 192 transitions. [2019-11-28 18:36:51,471 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 192 transitions. Word has length 4 [2019-11-28 18:36:51,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:36:51,471 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 192 transitions. [2019-11-28 18:36:51,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:36:51,472 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 192 transitions. [2019-11-28 18:36:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 18:36:51,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:36:51,473 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:36:51,473 INFO L410 AbstractCegarLoop]: === Iteration 2 === [reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-11-28 18:36:51,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:36:51,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1331349883, now seen corresponding path program 1 times [2019-11-28 18:36:51,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:36:51,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060766376] [2019-11-28 18:36:51,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:36:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 18:36:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 18:36:51,601 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 18:36:51,601 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 18:36:51,606 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [429] [429] ULTIMATE.startENTRY-->L856: Formula: (let ((.cse2 (store |v_#valid_33| 0 0))) (let ((.cse1 (store .cse2 |v_ULTIMATE.start_main_~#reader~0.base_22| 1))) (and (= |v_#memory_int_236| (let ((.cse0 (store |v_#memory_int_237| v_ULTIMATE.start_ring_init_~r.base_12 (store (store (select |v_#memory_int_237| v_ULTIMATE.start_ring_init_~r.base_12) (+ v_ULTIMATE.start_ring_init_~r.offset_12 20) 0) v_ULTIMATE.start_ring_init_~r.offset_12 0)))) (store .cse0 |v_ULTIMATE.start_main_~#reader~0.base_22| (store (select .cse0 |v_ULTIMATE.start_main_~#reader~0.base_22|) |v_ULTIMATE.start_main_~#reader~0.offset_19| 0)))) (= 0 |v_#NULL.base_4|) (= 0 |v_ULTIMATE.start_main_~#r~3.offset_20|) (< 0 |v_#StackHeapBarrier_10|) (= (select .cse1 |v_ULTIMATE.start_main_~#r~3.base_23|) 0) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#r~3.base_23|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#reader~0.base_22|) (= |v_ULTIMATE.start_ring_init_#in~r.base_8| |v_ULTIMATE.start_main_~#r~3.base_23|) (= |v_#length_12| (store (store |v_#length_13| |v_ULTIMATE.start_main_~#reader~0.base_22| 4) |v_ULTIMATE.start_main_~#r~3.base_23| 24)) (= |v_#NULL.offset_4| 0) (= |v_ULTIMATE.start_main_~#reader~0.offset_19| 0) (= |v_#valid_31| (store .cse1 |v_ULTIMATE.start_main_~#r~3.base_23| 1)) (= |v_ULTIMATE.start_ring_init_#in~r.base_8| v_ULTIMATE.start_ring_init_~r.base_12) (= |v_ULTIMATE.start_ring_init_#in~r.offset_8| v_ULTIMATE.start_ring_init_~r.offset_12) (= (select .cse2 |v_ULTIMATE.start_main_~#reader~0.base_22|) 0) (= |v_ULTIMATE.start_ring_init_#in~r.offset_8| |v_ULTIMATE.start_main_~#r~3.offset_20|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_237|, #length=|v_#length_13|} OutVars{ULTIMATE.start_main_#t~ret21.offset=|v_ULTIMATE.start_main_#t~ret21.offset_10|, ULTIMATE.start_main_#t~mem22=|v_ULTIMATE.start_main_#t~mem22_13|, ULTIMATE.start_main_#t~nondet20=|v_ULTIMATE.start_main_#t~nondet20_8|, ULTIMATE.start_main_~#r~3.offset=|v_ULTIMATE.start_main_~#r~3.offset_20|, ULTIMATE.start_main_~#reader~0.offset=|v_ULTIMATE.start_main_~#reader~0.offset_19|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#reader~0.base=|v_ULTIMATE.start_main_~#reader~0.base_22|, ULTIMATE.start_ring_init_#in~r.base=|v_ULTIMATE.start_ring_init_#in~r.base_8|, ULTIMATE.start_ring_init_#in~r.offset=|v_ULTIMATE.start_ring_init_#in~r.offset_8|, ULTIMATE.start_main_~#r~3.base=|v_ULTIMATE.start_main_~#r~3.base_23|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_ring_init_~r.offset=v_ULTIMATE.start_ring_init_~r.offset_12, ULTIMATE.start_ring_init_~r.base=v_ULTIMATE.start_ring_init_~r.base_12, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~ret21.base=|v_ULTIMATE.start_main_#t~ret21.base_10|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_9|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_236|, #length=|v_#length_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret21.offset, ULTIMATE.start_main_#t~mem22, ULTIMATE.start_main_#t~nondet20, ULTIMATE.start_main_~#r~3.offset, ULTIMATE.start_main_~#reader~0.offset, #NULL.offset, ULTIMATE.start_main_~#reader~0.base, ULTIMATE.start_ring_init_#in~r.base, ULTIMATE.start_ring_init_#in~r.offset, ULTIMATE.start_main_~#r~3.base, #NULL.base, ULTIMATE.start_ring_init_~r.offset, ULTIMATE.start_ring_init_~r.base, ULTIMATE.start_main_#t~ret21.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length] because there is no mapped edge [2019-11-28 18:36:51,607 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [405] [405] reader_nowait_fnENTRY-->L842-2: Formula: (and (= v_reader_nowait_fnThread1of1ForFork0_~last~1_22 0) (= 0 v_reader_nowait_fnThread1of1ForFork0_~i~2_13) (= v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_10 v_reader_nowait_fnThread1of1ForFork0_~arg.offset_5) (= v_reader_nowait_fnThread1of1ForFork0_~arg.base_5 v_reader_nowait_fnThread1of1ForFork0_~r~2.base_10) (= |v_reader_nowait_fnThread1of1ForFork0_#in~arg.offset_5| v_reader_nowait_fnThread1of1ForFork0_~arg.offset_5) (= v_reader_nowait_fnThread1of1ForFork0_~val~1_15 0) (= v_reader_nowait_fnThread1of1ForFork0_~arg.base_5 |v_reader_nowait_fnThread1of1ForFork0_#in~arg.base_5|)) InVars {reader_nowait_fnThread1of1ForFork0_#in~arg.offset=|v_reader_nowait_fnThread1of1ForFork0_#in~arg.offset_5|, reader_nowait_fnThread1of1ForFork0_#in~arg.base=|v_reader_nowait_fnThread1of1ForFork0_#in~arg.base_5|} OutVars{reader_nowait_fnThread1of1ForFork0_#in~arg.offset=|v_reader_nowait_fnThread1of1ForFork0_#in~arg.offset_5|, reader_nowait_fnThread1of1ForFork0_~i~2=v_reader_nowait_fnThread1of1ForFork0_~i~2_13, reader_nowait_fnThread1of1ForFork0_~arg.base=v_reader_nowait_fnThread1of1ForFork0_~arg.base_5, reader_nowait_fnThread1of1ForFork0_#in~arg.base=|v_reader_nowait_fnThread1of1ForFork0_#in~arg.base_5|, reader_nowait_fnThread1of1ForFork0_~last~1=v_reader_nowait_fnThread1of1ForFork0_~last~1_22, reader_nowait_fnThread1of1ForFork0_~r~2.base=v_reader_nowait_fnThread1of1ForFork0_~r~2.base_10, reader_nowait_fnThread1of1ForFork0_~val~1=v_reader_nowait_fnThread1of1ForFork0_~val~1_15, reader_nowait_fnThread1of1ForFork0_~r~2.offset=v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_10, reader_nowait_fnThread1of1ForFork0_~arg.offset=v_reader_nowait_fnThread1of1ForFork0_~arg.offset_5} AuxVars[] AssignedVars[reader_nowait_fnThread1of1ForFork0_~i~2, reader_nowait_fnThread1of1ForFork0_~arg.base, reader_nowait_fnThread1of1ForFork0_~last~1, reader_nowait_fnThread1of1ForFork0_~r~2.base, reader_nowait_fnThread1of1ForFork0_~val~1, reader_nowait_fnThread1of1ForFork0_~r~2.offset, reader_nowait_fnThread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-11-28 18:36:51,607 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [426] [426] L842-2-->L804-1: Formula: (and (= (select (select |v_#memory_int_234| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_88) v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_88) |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7_58|) (= v_reader_nowait_fnThread1of1ForFork0_~r~2.base_13 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base_7|) (= v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_88 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset_7|) (= v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_88 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base_7|) (< v_reader_nowait_fnThread1of1ForFork0_~i~2_19 8) (= v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_13 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset_7|)) InVars {reader_nowait_fnThread1of1ForFork0_~i~2=v_reader_nowait_fnThread1of1ForFork0_~i~2_19, #memory_int=|v_#memory_int_234|, reader_nowait_fnThread1of1ForFork0_~r~2.base=v_reader_nowait_fnThread1of1ForFork0_~r~2.base_13, reader_nowait_fnThread1of1ForFork0_~r~2.offset=v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_13} OutVars{reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset_7|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base_7|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_88, reader_nowait_fnThread1of1ForFork0_~r~2.offset=v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_13, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_27, reader_nowait_fnThread1of1ForFork0_~i~2=v_reader_nowait_fnThread1of1ForFork0_~i~2_19, #memory_int=|v_#memory_int_234|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res_11|, reader_nowait_fnThread1of1ForFork0_~r~2.base=v_reader_nowait_fnThread1of1ForFork0_~r~2.base_13, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_55|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8_56|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_88, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7_58|} AuxVars[] AssignedVars[reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7] because there is no mapped edge [2019-11-28 18:36:51,608 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [395] [395] L804-2-->L805-1: Formula: (and (= (select (select |v_#memory_int_99| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_33) v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_33) |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_20|) (= v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_9 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8_12|)) InVars {#memory_int=|v_#memory_int_99|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_33, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8_12|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_33} OutVars{reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_9, #memory_int=|v_#memory_int_99|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_20|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_33, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8_11|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_33, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7_20|} AuxVars[] AssignedVars[reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7] because there is no mapped edge [2019-11-28 18:36:51,608 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [432] [432] L805-1-->reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (let ((.cse10 (+ |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_77| 1))) (let ((.cse8 (select |v_#memory_int_282| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103)) (.cse9 (mod .cse10 4))) (let ((.cse5 (= (store |v_#memory_int_282| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103 (store .cse8 v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_103 .cse9)) |v_#memory_int_281|)) (.cse0 (= v_reader_nowait_fnThread1of1ForFork0_~val~1_26 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res_20|)) (.cse7 (< .cse10 0)) (.cse2 (<= 0 (+ v_reader_nowait_fnThread1of1ForFork0_~val~1_26 2147483648))) (.cse3 (not (= (+ v_reader_nowait_fnThread1of1ForFork0_~last~1_27 1) v_reader_nowait_fnThread1of1ForFork0_~val~1_26))) (.cse4 (<= v_reader_nowait_fnThread1of1ForFork0_~val~1_26 2147483647)) (.cse1 (= .cse9 0)) (.cse6 (= v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_38 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res_20|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 (not .cse7)) (and .cse0 .cse7 .cse2 .cse3 .cse4 (not .cse1) .cse6 (= |v_#memory_int_281| (store |v_#memory_int_282| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103 (store .cse8 v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_103 (+ .cse9 (- 4)))))))))) InVars {reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_38, #memory_int=|v_#memory_int_282|, reader_nowait_fnThread1of1ForFork0_~last~1=v_reader_nowait_fnThread1of1ForFork0_~last~1_27, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_77|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_103, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103} OutVars{reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_38, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res_20|, #memory_int=|v_#memory_int_281|, reader_nowait_fnThread1of1ForFork0_~last~1=v_reader_nowait_fnThread1of1ForFork0_~last~1_27, reader_nowait_fnThread1of1ForFork0_#t~ret17=|v_reader_nowait_fnThread1of1ForFork0_#t~ret17_22|, reader_nowait_fnThread1of1ForFork0_~val~1=v_reader_nowait_fnThread1of1ForFork0_~val~1_26, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_76|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_103, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103} AuxVars[] AssignedVars[reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res, #memory_int, reader_nowait_fnThread1of1ForFork0_#t~ret17, reader_nowait_fnThread1of1ForFork0_~val~1, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9] because there is no mapped edge [2019-11-28 18:36:51,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:36:51 BasicIcfg [2019-11-28 18:36:51,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:36:51,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:36:51,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:36:51,622 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:36:51,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:36:47" (3/4) ... [2019-11-28 18:36:51,625 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 18:36:51,626 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [429] [429] ULTIMATE.startENTRY-->L856: Formula: (let ((.cse2 (store |v_#valid_33| 0 0))) (let ((.cse1 (store .cse2 |v_ULTIMATE.start_main_~#reader~0.base_22| 1))) (and (= |v_#memory_int_236| (let ((.cse0 (store |v_#memory_int_237| v_ULTIMATE.start_ring_init_~r.base_12 (store (store (select |v_#memory_int_237| v_ULTIMATE.start_ring_init_~r.base_12) (+ v_ULTIMATE.start_ring_init_~r.offset_12 20) 0) v_ULTIMATE.start_ring_init_~r.offset_12 0)))) (store .cse0 |v_ULTIMATE.start_main_~#reader~0.base_22| (store (select .cse0 |v_ULTIMATE.start_main_~#reader~0.base_22|) |v_ULTIMATE.start_main_~#reader~0.offset_19| 0)))) (= 0 |v_#NULL.base_4|) (= 0 |v_ULTIMATE.start_main_~#r~3.offset_20|) (< 0 |v_#StackHeapBarrier_10|) (= (select .cse1 |v_ULTIMATE.start_main_~#r~3.base_23|) 0) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#r~3.base_23|) (< |v_#StackHeapBarrier_10| |v_ULTIMATE.start_main_~#reader~0.base_22|) (= |v_ULTIMATE.start_ring_init_#in~r.base_8| |v_ULTIMATE.start_main_~#r~3.base_23|) (= |v_#length_12| (store (store |v_#length_13| |v_ULTIMATE.start_main_~#reader~0.base_22| 4) |v_ULTIMATE.start_main_~#r~3.base_23| 24)) (= |v_#NULL.offset_4| 0) (= |v_ULTIMATE.start_main_~#reader~0.offset_19| 0) (= |v_#valid_31| (store .cse1 |v_ULTIMATE.start_main_~#r~3.base_23| 1)) (= |v_ULTIMATE.start_ring_init_#in~r.base_8| v_ULTIMATE.start_ring_init_~r.base_12) (= |v_ULTIMATE.start_ring_init_#in~r.offset_8| v_ULTIMATE.start_ring_init_~r.offset_12) (= (select .cse2 |v_ULTIMATE.start_main_~#reader~0.base_22|) 0) (= |v_ULTIMATE.start_ring_init_#in~r.offset_8| |v_ULTIMATE.start_main_~#r~3.offset_20|)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_10|, #valid=|v_#valid_33|, #memory_int=|v_#memory_int_237|, #length=|v_#length_13|} OutVars{ULTIMATE.start_main_#t~ret21.offset=|v_ULTIMATE.start_main_#t~ret21.offset_10|, ULTIMATE.start_main_#t~mem22=|v_ULTIMATE.start_main_#t~mem22_13|, ULTIMATE.start_main_#t~nondet20=|v_ULTIMATE.start_main_#t~nondet20_8|, ULTIMATE.start_main_~#r~3.offset=|v_ULTIMATE.start_main_~#r~3.offset_20|, ULTIMATE.start_main_~#reader~0.offset=|v_ULTIMATE.start_main_~#reader~0.offset_19|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_~#reader~0.base=|v_ULTIMATE.start_main_~#reader~0.base_22|, ULTIMATE.start_ring_init_#in~r.base=|v_ULTIMATE.start_ring_init_#in~r.base_8|, ULTIMATE.start_ring_init_#in~r.offset=|v_ULTIMATE.start_ring_init_#in~r.offset_8|, ULTIMATE.start_main_~#r~3.base=|v_ULTIMATE.start_main_~#r~3.base_23|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_ring_init_~r.offset=v_ULTIMATE.start_ring_init_~r.offset_12, ULTIMATE.start_ring_init_~r.base=v_ULTIMATE.start_ring_init_~r.base_12, #StackHeapBarrier=|v_#StackHeapBarrier_10|, ULTIMATE.start_main_#t~ret21.base=|v_ULTIMATE.start_main_#t~ret21.base_10|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_9|, #valid=|v_#valid_31|, #memory_int=|v_#memory_int_236|, #length=|v_#length_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret21.offset, ULTIMATE.start_main_#t~mem22, ULTIMATE.start_main_#t~nondet20, ULTIMATE.start_main_~#r~3.offset, ULTIMATE.start_main_~#reader~0.offset, #NULL.offset, ULTIMATE.start_main_~#reader~0.base, ULTIMATE.start_ring_init_#in~r.base, ULTIMATE.start_ring_init_#in~r.offset, ULTIMATE.start_main_~#r~3.base, #NULL.base, ULTIMATE.start_ring_init_~r.offset, ULTIMATE.start_ring_init_~r.base, ULTIMATE.start_main_#t~ret21.base, ULTIMATE.start_main_#res, #valid, #memory_int, #length] because there is no mapped edge [2019-11-28 18:36:51,626 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [405] [405] reader_nowait_fnENTRY-->L842-2: Formula: (and (= v_reader_nowait_fnThread1of1ForFork0_~last~1_22 0) (= 0 v_reader_nowait_fnThread1of1ForFork0_~i~2_13) (= v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_10 v_reader_nowait_fnThread1of1ForFork0_~arg.offset_5) (= v_reader_nowait_fnThread1of1ForFork0_~arg.base_5 v_reader_nowait_fnThread1of1ForFork0_~r~2.base_10) (= |v_reader_nowait_fnThread1of1ForFork0_#in~arg.offset_5| v_reader_nowait_fnThread1of1ForFork0_~arg.offset_5) (= v_reader_nowait_fnThread1of1ForFork0_~val~1_15 0) (= v_reader_nowait_fnThread1of1ForFork0_~arg.base_5 |v_reader_nowait_fnThread1of1ForFork0_#in~arg.base_5|)) InVars {reader_nowait_fnThread1of1ForFork0_#in~arg.offset=|v_reader_nowait_fnThread1of1ForFork0_#in~arg.offset_5|, reader_nowait_fnThread1of1ForFork0_#in~arg.base=|v_reader_nowait_fnThread1of1ForFork0_#in~arg.base_5|} OutVars{reader_nowait_fnThread1of1ForFork0_#in~arg.offset=|v_reader_nowait_fnThread1of1ForFork0_#in~arg.offset_5|, reader_nowait_fnThread1of1ForFork0_~i~2=v_reader_nowait_fnThread1of1ForFork0_~i~2_13, reader_nowait_fnThread1of1ForFork0_~arg.base=v_reader_nowait_fnThread1of1ForFork0_~arg.base_5, reader_nowait_fnThread1of1ForFork0_#in~arg.base=|v_reader_nowait_fnThread1of1ForFork0_#in~arg.base_5|, reader_nowait_fnThread1of1ForFork0_~last~1=v_reader_nowait_fnThread1of1ForFork0_~last~1_22, reader_nowait_fnThread1of1ForFork0_~r~2.base=v_reader_nowait_fnThread1of1ForFork0_~r~2.base_10, reader_nowait_fnThread1of1ForFork0_~val~1=v_reader_nowait_fnThread1of1ForFork0_~val~1_15, reader_nowait_fnThread1of1ForFork0_~r~2.offset=v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_10, reader_nowait_fnThread1of1ForFork0_~arg.offset=v_reader_nowait_fnThread1of1ForFork0_~arg.offset_5} AuxVars[] AssignedVars[reader_nowait_fnThread1of1ForFork0_~i~2, reader_nowait_fnThread1of1ForFork0_~arg.base, reader_nowait_fnThread1of1ForFork0_~last~1, reader_nowait_fnThread1of1ForFork0_~r~2.base, reader_nowait_fnThread1of1ForFork0_~val~1, reader_nowait_fnThread1of1ForFork0_~r~2.offset, reader_nowait_fnThread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-11-28 18:36:51,627 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [426] [426] L842-2-->L804-1: Formula: (and (= (select (select |v_#memory_int_234| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_88) v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_88) |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7_58|) (= v_reader_nowait_fnThread1of1ForFork0_~r~2.base_13 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base_7|) (= v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_88 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset_7|) (= v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_88 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base_7|) (< v_reader_nowait_fnThread1of1ForFork0_~i~2_19 8) (= v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_13 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset_7|)) InVars {reader_nowait_fnThread1of1ForFork0_~i~2=v_reader_nowait_fnThread1of1ForFork0_~i~2_19, #memory_int=|v_#memory_int_234|, reader_nowait_fnThread1of1ForFork0_~r~2.base=v_reader_nowait_fnThread1of1ForFork0_~r~2.base_13, reader_nowait_fnThread1of1ForFork0_~r~2.offset=v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_13} OutVars{reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset_7|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base_7|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_88, reader_nowait_fnThread1of1ForFork0_~r~2.offset=v_reader_nowait_fnThread1of1ForFork0_~r~2.offset_13, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_27, reader_nowait_fnThread1of1ForFork0_~i~2=v_reader_nowait_fnThread1of1ForFork0_~i~2_19, #memory_int=|v_#memory_int_234|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res_11|, reader_nowait_fnThread1of1ForFork0_~r~2.base=v_reader_nowait_fnThread1of1ForFork0_~r~2.base_13, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_55|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8_56|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_88, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7_58|} AuxVars[] AssignedVars[reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7] because there is no mapped edge [2019-11-28 18:36:51,627 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [395] [395] L804-2-->L805-1: Formula: (and (= (select (select |v_#memory_int_99| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_33) v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_33) |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_20|) (= v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_9 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8_12|)) InVars {#memory_int=|v_#memory_int_99|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_33, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8_12|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_33} OutVars{reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_9, #memory_int=|v_#memory_int_99|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_20|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_33, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8_11|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_33, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7_20|} AuxVars[] AssignedVars[reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7] because there is no mapped edge [2019-11-28 18:36:51,627 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [432] [432] L805-1-->reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (let ((.cse10 (+ |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_77| 1))) (let ((.cse8 (select |v_#memory_int_282| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103)) (.cse9 (mod .cse10 4))) (let ((.cse5 (= (store |v_#memory_int_282| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103 (store .cse8 v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_103 .cse9)) |v_#memory_int_281|)) (.cse0 (= v_reader_nowait_fnThread1of1ForFork0_~val~1_26 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res_20|)) (.cse7 (< .cse10 0)) (.cse2 (<= 0 (+ v_reader_nowait_fnThread1of1ForFork0_~val~1_26 2147483648))) (.cse3 (not (= (+ v_reader_nowait_fnThread1of1ForFork0_~last~1_27 1) v_reader_nowait_fnThread1of1ForFork0_~val~1_26))) (.cse4 (<= v_reader_nowait_fnThread1of1ForFork0_~val~1_26 2147483647)) (.cse1 (= .cse9 0)) (.cse6 (= v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_38 |v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res_20|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 (not .cse7)) (and .cse0 .cse7 .cse2 .cse3 .cse4 (not .cse1) .cse6 (= |v_#memory_int_281| (store |v_#memory_int_282| v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103 (store .cse8 v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_103 (+ .cse9 (- 4)))))))))) InVars {reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_38, #memory_int=|v_#memory_int_282|, reader_nowait_fnThread1of1ForFork0_~last~1=v_reader_nowait_fnThread1of1ForFork0_~last~1_27, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_77|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_103, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103} OutVars{reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0_38, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res_20|, #memory_int=|v_#memory_int_281|, reader_nowait_fnThread1of1ForFork0_~last~1=v_reader_nowait_fnThread1of1ForFork0_~last~1_27, reader_nowait_fnThread1of1ForFork0_#t~ret17=|v_reader_nowait_fnThread1of1ForFork0_#t~ret17_22|, reader_nowait_fnThread1of1ForFork0_~val~1=v_reader_nowait_fnThread1of1ForFork0_~val~1_26, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9=|v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9_76|, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset_103, reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base=v_reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base_103} AuxVars[] AssignedVars[reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res, #memory_int, reader_nowait_fnThread1of1ForFork0_#t~ret17, reader_nowait_fnThread1of1ForFork0_~val~1, reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9] because there is no mapped edge [2019-11-28 18:36:51,669 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:36:51,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:36:51,673 INFO L168 Benchmark]: Toolchain (without parser) took 5313.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -84.2 MB). Peak memory consumption was 99.8 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:51,675 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:36:51,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -104.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:51,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:51,684 INFO L168 Benchmark]: Boogie Preprocessor took 87.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:36:51,685 INFO L168 Benchmark]: RCFGBuilder took 572.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:51,686 INFO L168 Benchmark]: TraceAbstraction took 3741.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -24.7 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2019-11-28 18:36:51,686 INFO L168 Benchmark]: Witness Printer took 48.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:36:51,700 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 794.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -104.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 572.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3741.56 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -24.7 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.0s, 108 ProgramPointsBefore, 25 ProgramPointsAfterwards, 113 TransitionsBefore, 26 TransitionsAfterwards, 3888 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 5 ChoiceCompositions, 2124 VarBasedMoverChecksPositive, 53 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 58 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 4798 CheckedPairsTotal, 106 TotalNumberOfCompositions - CounterExampleResult [Line: 844]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L856] FCALL, FORK 0 pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r ) [L804] 1 r->q[ r->reader ] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 105 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 14 SDslu, 19 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...