./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/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer --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 [2019-12-07 10:24:07,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:24:07,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:24:07,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:24:07,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:24:07,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:24:07,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:24:07,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:24:07,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:24:07,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:24:07,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:24:07,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:24:07,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:24:07,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:24:07,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:24:07,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:24:07,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:24:07,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:24:07,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:24:07,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:24:07,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:24:07,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:24:07,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:24:07,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:24:07,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:24:07,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:24:07,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:24:07,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:24:07,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:24:07,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:24:07,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:24:07,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:24:07,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:24:07,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:24:07,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:24:07,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:24:07,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:24:07,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:24:07,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:24:07,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:24:07,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:24:07,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:24:07,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:24:07,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:24:07,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:24:07,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:24:07,352 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:24:07,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:24:07,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:24:07,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:24:07,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:24:07,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:24:07,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:24:07,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:24:07,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:24:07,354 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:24:07,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:24:07,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:24:07,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:24:07,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:24:07,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:24:07,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:24:07,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:24:07,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:24:07,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:24:07,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:24:07,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:24:07,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:24:07,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:24:07,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:24:07,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:24:07,357 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer 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 [2019-12-07 10:24:07,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:24:07,472 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:24:07,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:24:07,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:24:07,476 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:24:07,476 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2019-12-07 10:24:07,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/data/c8412fa80/27c0899ad35644409b7aa80c97e8ce0b/FLAG6a95f25b5 [2019-12-07 10:24:07,869 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:24:07,870 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2019-12-07 10:24:07,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/data/c8412fa80/27c0899ad35644409b7aa80c97e8ce0b/FLAG6a95f25b5 [2019-12-07 10:24:07,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/data/c8412fa80/27c0899ad35644409b7aa80c97e8ce0b [2019-12-07 10:24:07,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:24:07,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:24:07,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:24:07,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:24:07,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:24:07,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:24:07" (1/1) ... [2019-12-07 10:24:07,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8fae9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:07, skipping insertion in model container [2019-12-07 10:24:07,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:24:07" (1/1) ... [2019-12-07 10:24:07,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:24:07,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:24:08,066 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-07 10:24:08,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:24:08,204 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:24:08,214 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-07 10:24:08,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:24:08,297 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:24:08,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08 WrapperNode [2019-12-07 10:24:08,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:24:08,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:24:08,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:24:08,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:24:08,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:24:08,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:24:08,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:24:08,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:24:08,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... [2019-12-07 10:24:08,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:24:08,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:24:08,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:24:08,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:24:08,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/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 [2019-12-07 10:24:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:24:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:24:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:24:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:24:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2019-12-07 10:24:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2019-12-07 10:24:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:24:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:24:08,406 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 10:24:08,640 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:24:08,640 INFO L287 CfgBuilder]: Removed 17 assume(true) statements. [2019-12-07 10:24:08,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:24:08 BoogieIcfgContainer [2019-12-07 10:24:08,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:24:08,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:24:08,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:24:08,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:24:08,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:24:07" (1/3) ... [2019-12-07 10:24:08,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afa703d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:24:08, skipping insertion in model container [2019-12-07 10:24:08,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:08" (2/3) ... [2019-12-07 10:24:08,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afa703d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:24:08, skipping insertion in model container [2019-12-07 10:24:08,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:24:08" (3/3) ... [2019-12-07 10:24:08,646 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2019-12-07 10:24:08,652 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 10:24:08,652 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:24:08,656 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:24:08,657 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 10:24:08,677 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,677 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,677 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,677 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,677 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,677 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,678 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,678 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,678 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,678 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,678 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,678 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,678 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,679 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,679 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,679 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,679 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,679 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,679 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,679 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,679 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,680 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,681 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,681 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,681 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,681 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,681 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,681 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,681 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,681 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,682 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,682 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,682 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,682 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,682 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,682 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,682 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,682 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,683 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,684 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,684 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,684 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,684 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,684 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,684 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,684 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,684 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,685 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,686 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,686 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,686 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,686 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,686 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,686 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,686 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,687 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,687 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,687 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,687 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,687 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,687 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,687 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,687 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,688 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,689 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,689 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,689 WARN L315 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,689 WARN L315 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:24:08,702 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-07 10:24:08,714 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:24:08,714 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:24:08,715 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:24:08,715 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:24:08,715 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:24:08,715 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:24:08,715 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:24:08,715 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:24:08,725 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 113 transitions [2019-12-07 10:24:08,726 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 108 places, 113 transitions [2019-12-07 10:24:08,758 INFO L134 PetriNetUnfolder]: 9/112 cut-off events. [2019-12-07 10:24:08,758 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 10:24:08,763 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. [2019-12-07 10:24:08,768 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 108 places, 113 transitions [2019-12-07 10:24:08,784 INFO L134 PetriNetUnfolder]: 9/112 cut-off events. [2019-12-07 10:24:08,784 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 10:24:08,785 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. [2019-12-07 10:24:08,788 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3888 [2019-12-07 10:24:08,789 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 10:24:10,475 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4798 [2019-12-07 10:24:10,475 INFO L214 etLargeBlockEncoding]: Total number of compositions: 106 [2019-12-07 10:24:10,477 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 26 transitions [2019-12-07 10:24:10,487 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-07 10:24:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-07 10:24:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 10:24:10,494 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:24:10,494 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 10:24:10,495 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]=== [2019-12-07 10:24:10,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:10,498 INFO L82 PathProgramCache]: Analyzing trace with hash 14029129, now seen corresponding path program 1 times [2019-12-07 10:24:10,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:10,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879127778] [2019-12-07 10:24:10,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:24:10,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879127778] [2019-12-07 10:24:10,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:24:10,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:24:10,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140600285] [2019-12-07 10:24:10,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:24:10,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:24:10,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:24:10,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:24:10,642 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-07 10:24:10,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:24:10,667 INFO L93 Difference]: Finished difference Result 139 states and 289 transitions. [2019-12-07 10:24:10,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:24:10,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-07 10:24:10,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:24:10,677 INFO L225 Difference]: With dead ends: 139 [2019-12-07 10:24:10,677 INFO L226 Difference]: Without dead ends: 128 [2019-12-07 10:24:10,678 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 [2019-12-07 10:24:10,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-12-07 10:24:10,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 92. [2019-12-07 10:24:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 10:24:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 192 transitions. [2019-12-07 10:24:10,710 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 192 transitions. Word has length 4 [2019-12-07 10:24:10,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:24:10,710 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 192 transitions. [2019-12-07 10:24:10,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:24:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 192 transitions. [2019-12-07 10:24:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 10:24:10,711 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:24:10,711 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:24:10,711 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]=== [2019-12-07 10:24:10,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:10,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1331349883, now seen corresponding path program 1 times [2019-12-07 10:24:10,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:10,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533079605] [2019-12-07 10:24:10,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:10,775 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:10,775 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:24:10,778 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 [2019-12-07 10:24:10,779 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 [2019-12-07 10:24:10,779 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 [2019-12-07 10:24:10,779 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 [2019-12-07 10:24:10,779 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 [2019-12-07 10:24:10,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:24:10 BasicIcfg [2019-12-07 10:24:10,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:24:10,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:24:10,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:24:10,788 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:24:10,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:24:08" (3/4) ... [2019-12-07 10:24:10,790 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 10:24:10,790 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 [2019-12-07 10:24:10,790 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 [2019-12-07 10:24:10,790 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 [2019-12-07 10:24:10,791 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 [2019-12-07 10:24:10,791 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 [2019-12-07 10:24:10,815 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_70d14c64-2e05-48ce-83c9-416ee8893334/bin/uautomizer/witness.graphml [2019-12-07 10:24:10,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:24:10,817 INFO L168 Benchmark]: Toolchain (without parser) took 2923.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:10,817 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:24:10,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:10,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.20 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:10,818 INFO L168 Benchmark]: Boogie Preprocessor took 22.39 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. [2019-12-07 10:24:10,818 INFO L168 Benchmark]: RCFGBuilder took 277.91 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: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:10,819 INFO L168 Benchmark]: TraceAbstraction took 2145.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:10,819 INFO L168 Benchmark]: Witness Printer took 27.66 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: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:10,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.20 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.39 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. * RCFGBuilder took 277.91 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: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2145.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. * Witness Printer took 27.66 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: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 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: 0.3s, 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: 2.0s, 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...