./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-wmm/safe001_rmo.oepc.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d3dfcdcbd1ef266a13f83c8ffcd1431cdbd44aa9b3fb0ca280daf8703879343 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:21:25,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:21:25,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:21:25,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:21:25,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:21:25,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:21:25,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:21:25,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:21:25,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:21:25,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:21:25,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:21:25,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:21:25,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:21:25,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:21:25,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:21:25,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:21:25,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:21:25,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:21:25,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:21:25,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:21:25,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:21:25,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:21:25,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:21:25,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:21:25,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:21:25,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:21:25,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:21:25,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:21:25,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:21:25,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:21:25,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:21:25,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:21:25,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:21:25,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:21:25,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:21:25,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:21:25,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:21:25,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:21:25,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:21:25,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:21:25,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:21:25,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:21:25,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:21:25,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:21:25,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:21:25,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:21:25,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:21:25,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:21:25,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:21:25,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:21:25,915 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:21:25,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:21:25,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:21:25,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:21:25,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:21:25,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:21:25,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:21:25,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:21:25,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:21:25,916 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:21:25,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:21:25,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:21:25,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:21:25,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:21:25,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:21:25,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:21:25,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:21:25,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:21:25,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:21:25,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:21:25,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:21:25,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:21:25,918 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:21:25,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:21:25,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:21:25,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:21:25,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d3dfcdcbd1ef266a13f83c8ffcd1431cdbd44aa9b3fb0ca280daf8703879343 [2021-12-17 22:21:26,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:21:26,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:21:26,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:21:26,130 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:21:26,130 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:21:26,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i [2021-12-17 22:21:26,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2329eea3/63a6e755182c43b497d8ee195499c59d/FLAG9d96221ee [2021-12-17 22:21:26,528 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:21:26,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i [2021-12-17 22:21:26,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2329eea3/63a6e755182c43b497d8ee195499c59d/FLAG9d96221ee [2021-12-17 22:21:26,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2329eea3/63a6e755182c43b497d8ee195499c59d [2021-12-17 22:21:26,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:21:26,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:21:26,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:21:26,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:21:26,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:21:26,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:21:26" (1/1) ... [2021-12-17 22:21:26,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6d5dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:26, skipping insertion in model container [2021-12-17 22:21:26,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:21:26" (1/1) ... [2021-12-17 22:21:26,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:21:26,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:21:27,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i[993,1006] [2021-12-17 22:21:27,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:21:27,259 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:21:27,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i[993,1006] [2021-12-17 22:21:27,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:21:27,348 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:21:27,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27 WrapperNode [2021-12-17 22:21:27,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:21:27,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:21:27,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:21:27,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:21:27,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,402 INFO L137 Inliner]: procedures = 176, calls = 82, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 262 [2021-12-17 22:21:27,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:21:27,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:21:27,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:21:27,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:21:27,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:21:27,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:21:27,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:21:27,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:21:27,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (1/1) ... [2021-12-17 22:21:27,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:21:27,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:21:27,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 22:21:27,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 22:21:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 22:21:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 22:21:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-17 22:21:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:21:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:21:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:21:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-17 22:21:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-17 22:21:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-17 22:21:27,528 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-17 22:21:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-17 22:21:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-17 22:21:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 22:21:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-17 22:21:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:21:27,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:21:27,531 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:21:27,681 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:21:27,682 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:21:28,201 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:21:28,553 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:21:28,553 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-17 22:21:28,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:21:28 BoogieIcfgContainer [2021-12-17 22:21:28,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 22:21:28,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 22:21:28,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 22:21:28,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 22:21:28,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:21:26" (1/3) ... [2021-12-17 22:21:28,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3641edf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:21:28, skipping insertion in model container [2021-12-17 22:21:28,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:21:27" (2/3) ... [2021-12-17 22:21:28,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3641edf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:21:28, skipping insertion in model container [2021-12-17 22:21:28,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:21:28" (3/3) ... [2021-12-17 22:21:28,562 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_rmo.oepc.i [2021-12-17 22:21:28,567 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-17 22:21:28,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 22:21:28,567 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 22:21:28,568 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-17 22:21:28,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,605 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,606 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,606 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,606 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,606 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,606 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,606 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,607 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,607 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,607 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,607 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,607 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,607 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,608 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,609 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,610 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,611 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,612 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,613 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,614 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,614 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,614 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,615 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,616 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,616 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,616 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,616 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,616 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,616 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,616 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,617 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,617 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,617 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,617 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,617 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,617 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,617 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,618 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,618 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,618 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,618 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,618 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,618 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,618 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,619 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,619 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,619 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,619 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,619 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,619 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,619 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,620 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,620 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,620 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,620 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,620 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,622 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,622 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,622 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,622 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,623 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,623 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,623 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,623 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,623 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,623 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,623 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,624 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,624 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,624 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,624 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,624 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,624 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,624 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,625 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,625 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,625 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,625 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,625 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,626 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,626 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,626 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,626 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,626 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,626 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,626 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,627 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,627 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,627 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,627 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,628 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,628 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,628 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,628 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,629 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,629 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,630 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,631 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,632 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,633 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,633 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,633 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,633 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,633 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,633 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,633 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,634 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,634 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,634 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,634 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,634 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,634 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,634 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,634 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,635 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,636 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,637 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,638 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,639 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,640 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,641 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,641 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,641 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,641 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,641 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,641 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,641 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,642 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,642 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,647 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,647 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,647 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,648 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,649 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,650 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,654 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,655 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,660 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,662 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,663 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,663 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,663 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,663 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,663 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,663 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,663 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,664 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,665 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,665 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,665 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,666 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,666 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,666 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,666 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,666 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,666 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,667 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,668 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,669 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,670 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,671 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,671 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,671 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,672 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:21:28,673 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-17 22:21:28,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:21:28,706 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 22:21:28,707 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-17 22:21:28,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 131 transitions, 277 flow [2021-12-17 22:21:28,760 INFO L129 PetriNetUnfolder]: 2/128 cut-off events. [2021-12-17 22:21:28,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:21:28,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2021-12-17 22:21:28,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 131 transitions, 277 flow [2021-12-17 22:21:28,767 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 114 transitions, 237 flow [2021-12-17 22:21:28,781 INFO L129 PetriNetUnfolder]: 1/113 cut-off events. [2021-12-17 22:21:28,781 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:21:28,781 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:28,782 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:28,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:28,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:28,786 INFO L85 PathProgramCache]: Analyzing trace with hash 271429305, now seen corresponding path program 1 times [2021-12-17 22:21:28,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:28,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050322531] [2021-12-17 22:21:28,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:28,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:29,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:29,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050322531] [2021-12-17 22:21:29,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050322531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:29,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:29,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:21:29,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577468492] [2021-12-17 22:21:29,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:29,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:21:29,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:29,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:21:29,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:21:29,240 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 131 [2021-12-17 22:21:29,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 114 transitions, 237 flow. Second operand has 6 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:29,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:29,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 131 [2021-12-17 22:21:29,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:29,554 INFO L129 PetriNetUnfolder]: 166/474 cut-off events. [2021-12-17 22:21:29,554 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-17 22:21:29,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 474 events. 166/474 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2198 event pairs, 30 based on Foata normal form. 15/474 useless extension candidates. Maximal degree in co-relation 708. Up to 141 conditions per place. [2021-12-17 22:21:29,560 INFO L132 encePairwiseOnDemand]: 124/131 looper letters, 16 selfloop transitions, 2 changer transitions 25/141 dead transitions. [2021-12-17 22:21:29,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 141 transitions, 377 flow [2021-12-17 22:21:29,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:21:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:21:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1055 transitions. [2021-12-17 22:21:29,572 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8948261238337574 [2021-12-17 22:21:29,573 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1055 transitions. [2021-12-17 22:21:29,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1055 transitions. [2021-12-17 22:21:29,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:29,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1055 transitions. [2021-12-17 22:21:29,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 117.22222222222223) internal successors, (1055), 9 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:29,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:29,587 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:29,588 INFO L186 Difference]: Start difference. First operand has 123 places, 114 transitions, 237 flow. Second operand 9 states and 1055 transitions. [2021-12-17 22:21:29,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 141 transitions, 377 flow [2021-12-17 22:21:29,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 141 transitions, 374 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-17 22:21:29,593 INFO L242 Difference]: Finished difference. Result has 135 places, 113 transitions, 252 flow [2021-12-17 22:21:29,595 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=252, PETRI_PLACES=135, PETRI_TRANSITIONS=113} [2021-12-17 22:21:29,597 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 12 predicate places. [2021-12-17 22:21:29,597 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 113 transitions, 252 flow [2021-12-17 22:21:29,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:29,598 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:29,598 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:29,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 22:21:29,599 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:29,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:29,599 INFO L85 PathProgramCache]: Analyzing trace with hash -289561288, now seen corresponding path program 1 times [2021-12-17 22:21:29,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:29,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338293107] [2021-12-17 22:21:29,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:29,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:29,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:29,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:29,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338293107] [2021-12-17 22:21:29,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338293107] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:29,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:29,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:21:29,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822347241] [2021-12-17 22:21:29,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:29,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:21:29,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:29,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:21:29,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:21:29,853 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 131 [2021-12-17 22:21:29,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 113 transitions, 252 flow. Second operand has 7 states, 7 states have (on average 112.85714285714286) internal successors, (790), 7 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:29,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:29,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 131 [2021-12-17 22:21:29,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:30,074 INFO L129 PetriNetUnfolder]: 98/382 cut-off events. [2021-12-17 22:21:30,075 INFO L130 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2021-12-17 22:21:30,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 382 events. 98/382 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1660 event pairs, 10 based on Foata normal form. 8/378 useless extension candidates. Maximal degree in co-relation 632. Up to 80 conditions per place. [2021-12-17 22:21:30,078 INFO L132 encePairwiseOnDemand]: 124/131 looper letters, 19 selfloop transitions, 3 changer transitions 22/141 dead transitions. [2021-12-17 22:21:30,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 141 transitions, 421 flow [2021-12-17 22:21:30,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 22:21:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-17 22:21:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1156 transitions. [2021-12-17 22:21:30,080 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8824427480916031 [2021-12-17 22:21:30,081 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1156 transitions. [2021-12-17 22:21:30,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1156 transitions. [2021-12-17 22:21:30,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:30,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1156 transitions. [2021-12-17 22:21:30,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 115.6) internal successors, (1156), 10 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,086 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,086 INFO L186 Difference]: Start difference. First operand has 135 places, 113 transitions, 252 flow. Second operand 10 states and 1156 transitions. [2021-12-17 22:21:30,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 141 transitions, 421 flow [2021-12-17 22:21:30,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 141 transitions, 387 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-12-17 22:21:30,090 INFO L242 Difference]: Finished difference. Result has 137 places, 113 transitions, 258 flow [2021-12-17 22:21:30,090 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=258, PETRI_PLACES=137, PETRI_TRANSITIONS=113} [2021-12-17 22:21:30,091 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 14 predicate places. [2021-12-17 22:21:30,091 INFO L470 AbstractCegarLoop]: Abstraction has has 137 places, 113 transitions, 258 flow [2021-12-17 22:21:30,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 112.85714285714286) internal successors, (790), 7 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,091 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:30,092 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:30,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 22:21:30,092 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:30,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:30,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1690235497, now seen corresponding path program 1 times [2021-12-17 22:21:30,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:30,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746067073] [2021-12-17 22:21:30,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:30,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:30,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:30,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746067073] [2021-12-17 22:21:30,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746067073] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:30,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:30,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:21:30,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316101180] [2021-12-17 22:21:30,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:30,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:21:30,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:30,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:21:30,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:21:30,284 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 131 [2021-12-17 22:21:30,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 113 transitions, 258 flow. Second operand has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:30,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 131 [2021-12-17 22:21:30,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:30,523 INFO L129 PetriNetUnfolder]: 241/658 cut-off events. [2021-12-17 22:21:30,524 INFO L130 PetriNetUnfolder]: For 167/167 co-relation queries the response was YES. [2021-12-17 22:21:30,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1298 conditions, 658 events. 241/658 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3323 event pairs, 43 based on Foata normal form. 12/639 useless extension candidates. Maximal degree in co-relation 1219. Up to 262 conditions per place. [2021-12-17 22:21:30,528 INFO L132 encePairwiseOnDemand]: 124/131 looper letters, 22 selfloop transitions, 3 changer transitions 28/149 dead transitions. [2021-12-17 22:21:30,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 149 transitions, 464 flow [2021-12-17 22:21:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:21:30,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:21:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1045 transitions. [2021-12-17 22:21:30,532 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8863443596268024 [2021-12-17 22:21:30,532 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1045 transitions. [2021-12-17 22:21:30,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1045 transitions. [2021-12-17 22:21:30,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:30,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1045 transitions. [2021-12-17 22:21:30,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 116.11111111111111) internal successors, (1045), 9 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,538 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,538 INFO L186 Difference]: Start difference. First operand has 137 places, 113 transitions, 258 flow. Second operand 9 states and 1045 transitions. [2021-12-17 22:21:30,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 149 transitions, 464 flow [2021-12-17 22:21:30,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 149 transitions, 428 flow, removed 14 selfloop flow, removed 9 redundant places. [2021-12-17 22:21:30,546 INFO L242 Difference]: Finished difference. Result has 137 places, 115 transitions, 283 flow [2021-12-17 22:21:30,546 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=283, PETRI_PLACES=137, PETRI_TRANSITIONS=115} [2021-12-17 22:21:30,549 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 14 predicate places. [2021-12-17 22:21:30,550 INFO L470 AbstractCegarLoop]: Abstraction has has 137 places, 115 transitions, 283 flow [2021-12-17 22:21:30,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,550 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:30,550 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:30,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 22:21:30,551 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:30,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:30,552 INFO L85 PathProgramCache]: Analyzing trace with hash 807443539, now seen corresponding path program 1 times [2021-12-17 22:21:30,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:30,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326897369] [2021-12-17 22:21:30,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:30,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:30,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:30,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326897369] [2021-12-17 22:21:30,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326897369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:30,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:30,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:21:30,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738893588] [2021-12-17 22:21:30,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:30,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:21:30,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:30,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:21:30,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:21:30,747 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 131 [2021-12-17 22:21:30,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 115 transitions, 283 flow. Second operand has 6 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:30,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 131 [2021-12-17 22:21:30,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:30,984 INFO L129 PetriNetUnfolder]: 221/734 cut-off events. [2021-12-17 22:21:30,984 INFO L130 PetriNetUnfolder]: For 527/535 co-relation queries the response was YES. [2021-12-17 22:21:30,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 734 events. 221/734 cut-off events. For 527/535 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4256 event pairs, 113 based on Foata normal form. 10/707 useless extension candidates. Maximal degree in co-relation 1539. Up to 214 conditions per place. [2021-12-17 22:21:30,988 INFO L132 encePairwiseOnDemand]: 125/131 looper letters, 26 selfloop transitions, 3 changer transitions 22/147 dead transitions. [2021-12-17 22:21:30,988 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 147 transitions, 512 flow [2021-12-17 22:21:30,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:21:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:21:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1042 transitions. [2021-12-17 22:21:30,991 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8837998303647159 [2021-12-17 22:21:30,991 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1042 transitions. [2021-12-17 22:21:30,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1042 transitions. [2021-12-17 22:21:30,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:30,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1042 transitions. [2021-12-17 22:21:30,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 115.77777777777777) internal successors, (1042), 9 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,995 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:30,995 INFO L186 Difference]: Start difference. First operand has 137 places, 115 transitions, 283 flow. Second operand 9 states and 1042 transitions. [2021-12-17 22:21:30,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 147 transitions, 512 flow [2021-12-17 22:21:30,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 147 transitions, 481 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-12-17 22:21:30,999 INFO L242 Difference]: Finished difference. Result has 142 places, 115 transitions, 295 flow [2021-12-17 22:21:30,999 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=295, PETRI_PLACES=142, PETRI_TRANSITIONS=115} [2021-12-17 22:21:31,004 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 19 predicate places. [2021-12-17 22:21:31,004 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 115 transitions, 295 flow [2021-12-17 22:21:31,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:31,005 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:31,005 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:31,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 22:21:31,005 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:31,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:31,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1193483914, now seen corresponding path program 1 times [2021-12-17 22:21:31,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:31,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807968601] [2021-12-17 22:21:31,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:31,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:31,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:31,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:31,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807968601] [2021-12-17 22:21:31,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807968601] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:31,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:31,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 22:21:31,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839261514] [2021-12-17 22:21:31,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:31,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:21:31,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:31,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:21:31,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:21:31,264 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 131 [2021-12-17 22:21:31,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 115 transitions, 295 flow. Second operand has 10 states, 10 states have (on average 99.5) internal successors, (995), 10 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:31,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:31,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 131 [2021-12-17 22:21:31,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:31,821 INFO L129 PetriNetUnfolder]: 661/1550 cut-off events. [2021-12-17 22:21:31,821 INFO L130 PetriNetUnfolder]: For 3178/3184 co-relation queries the response was YES. [2021-12-17 22:21:31,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4032 conditions, 1550 events. 661/1550 cut-off events. For 3178/3184 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 9012 event pairs, 157 based on Foata normal form. 31/1508 useless extension candidates. Maximal degree in co-relation 3940. Up to 459 conditions per place. [2021-12-17 22:21:31,830 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 39 selfloop transitions, 11 changer transitions 50/183 dead transitions. [2021-12-17 22:21:31,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 183 transitions, 775 flow [2021-12-17 22:21:31,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-17 22:21:31,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-17 22:21:31,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1654 transitions. [2021-12-17 22:21:31,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7891221374045801 [2021-12-17 22:21:31,834 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1654 transitions. [2021-12-17 22:21:31,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1654 transitions. [2021-12-17 22:21:31,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:31,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1654 transitions. [2021-12-17 22:21:31,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 103.375) internal successors, (1654), 16 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:31,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:31,840 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:31,840 INFO L186 Difference]: Start difference. First operand has 142 places, 115 transitions, 295 flow. Second operand 16 states and 1654 transitions. [2021-12-17 22:21:31,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 183 transitions, 775 flow [2021-12-17 22:21:31,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 183 transitions, 711 flow, removed 27 selfloop flow, removed 7 redundant places. [2021-12-17 22:21:31,850 INFO L242 Difference]: Finished difference. Result has 155 places, 120 transitions, 368 flow [2021-12-17 22:21:31,850 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=368, PETRI_PLACES=155, PETRI_TRANSITIONS=120} [2021-12-17 22:21:31,852 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 32 predicate places. [2021-12-17 22:21:31,853 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 120 transitions, 368 flow [2021-12-17 22:21:31,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 99.5) internal successors, (995), 10 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:31,854 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:31,854 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:31,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 22:21:31,854 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:31,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:31,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1695958350, now seen corresponding path program 2 times [2021-12-17 22:21:31,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:31,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977745782] [2021-12-17 22:21:31,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:31,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:32,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:32,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977745782] [2021-12-17 22:21:32,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977745782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:32,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:32,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 22:21:32,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839294950] [2021-12-17 22:21:32,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:32,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:21:32,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:32,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:21:32,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:21:32,102 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 131 [2021-12-17 22:21:32,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 120 transitions, 368 flow. Second operand has 10 states, 10 states have (on average 99.5) internal successors, (995), 10 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:32,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:32,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 131 [2021-12-17 22:21:32,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:32,651 INFO L129 PetriNetUnfolder]: 638/1629 cut-off events. [2021-12-17 22:21:32,651 INFO L130 PetriNetUnfolder]: For 5986/6169 co-relation queries the response was YES. [2021-12-17 22:21:32,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6033 conditions, 1629 events. 638/1629 cut-off events. For 5986/6169 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 10116 event pairs, 348 based on Foata normal form. 45/1599 useless extension candidates. Maximal degree in co-relation 5933. Up to 755 conditions per place. [2021-12-17 22:21:32,663 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 31 selfloop transitions, 16 changer transitions 43/173 dead transitions. [2021-12-17 22:21:32,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 173 transitions, 1031 flow [2021-12-17 22:21:32,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-17 22:21:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-17 22:21:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1637 transitions. [2021-12-17 22:21:32,666 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7810114503816794 [2021-12-17 22:21:32,666 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1637 transitions. [2021-12-17 22:21:32,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1637 transitions. [2021-12-17 22:21:32,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:32,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1637 transitions. [2021-12-17 22:21:32,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 102.3125) internal successors, (1637), 16 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:32,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:32,673 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:32,673 INFO L186 Difference]: Start difference. First operand has 155 places, 120 transitions, 368 flow. Second operand 16 states and 1637 transitions. [2021-12-17 22:21:32,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 173 transitions, 1031 flow [2021-12-17 22:21:32,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 173 transitions, 977 flow, removed 18 selfloop flow, removed 10 redundant places. [2021-12-17 22:21:32,680 INFO L242 Difference]: Finished difference. Result has 162 places, 127 transitions, 498 flow [2021-12-17 22:21:32,680 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=498, PETRI_PLACES=162, PETRI_TRANSITIONS=127} [2021-12-17 22:21:32,680 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 39 predicate places. [2021-12-17 22:21:32,680 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 127 transitions, 498 flow [2021-12-17 22:21:32,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 99.5) internal successors, (995), 10 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:32,681 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:32,681 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:32,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 22:21:32,681 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:32,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:32,682 INFO L85 PathProgramCache]: Analyzing trace with hash 515048280, now seen corresponding path program 3 times [2021-12-17 22:21:32,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:32,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914728791] [2021-12-17 22:21:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:32,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:32,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:32,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914728791] [2021-12-17 22:21:32,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914728791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:32,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:32,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-17 22:21:32,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058366944] [2021-12-17 22:21:32,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:32,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-17 22:21:32,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:32,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-17 22:21:32,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-17 22:21:32,930 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 131 [2021-12-17 22:21:32,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 127 transitions, 498 flow. Second operand has 13 states, 13 states have (on average 97.07692307692308) internal successors, (1262), 13 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:32,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:32,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 131 [2021-12-17 22:21:32,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:33,629 INFO L129 PetriNetUnfolder]: 673/1696 cut-off events. [2021-12-17 22:21:33,629 INFO L130 PetriNetUnfolder]: For 17116/17488 co-relation queries the response was YES. [2021-12-17 22:21:33,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8386 conditions, 1696 events. 673/1696 cut-off events. For 17116/17488 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 10576 event pairs, 301 based on Foata normal form. 95/1717 useless extension candidates. Maximal degree in co-relation 8279. Up to 695 conditions per place. [2021-12-17 22:21:33,642 INFO L132 encePairwiseOnDemand]: 116/131 looper letters, 34 selfloop transitions, 22 changer transitions 49/186 dead transitions. [2021-12-17 22:21:33,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 186 transitions, 1592 flow [2021-12-17 22:21:33,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-17 22:21:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-17 22:21:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1804 transitions. [2021-12-17 22:21:33,647 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7650551314673452 [2021-12-17 22:21:33,647 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1804 transitions. [2021-12-17 22:21:33,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1804 transitions. [2021-12-17 22:21:33,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:33,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1804 transitions. [2021-12-17 22:21:33,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 100.22222222222223) internal successors, (1804), 18 states have internal predecessors, (1804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:33,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 131.0) internal successors, (2489), 19 states have internal predecessors, (2489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:33,654 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 131.0) internal successors, (2489), 19 states have internal predecessors, (2489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:33,654 INFO L186 Difference]: Start difference. First operand has 162 places, 127 transitions, 498 flow. Second operand 18 states and 1804 transitions. [2021-12-17 22:21:33,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 186 transitions, 1592 flow [2021-12-17 22:21:33,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 186 transitions, 1365 flow, removed 111 selfloop flow, removed 12 redundant places. [2021-12-17 22:21:33,668 INFO L242 Difference]: Finished difference. Result has 169 places, 134 transitions, 642 flow [2021-12-17 22:21:33,671 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=642, PETRI_PLACES=169, PETRI_TRANSITIONS=134} [2021-12-17 22:21:33,671 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 46 predicate places. [2021-12-17 22:21:33,672 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 134 transitions, 642 flow [2021-12-17 22:21:33,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 97.07692307692308) internal successors, (1262), 13 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:33,672 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:33,682 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:33,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 22:21:33,683 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:33,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:33,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1195357681, now seen corresponding path program 1 times [2021-12-17 22:21:33,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:33,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90867849] [2021-12-17 22:21:33,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:33,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:33,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:33,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90867849] [2021-12-17 22:21:33,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90867849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:33,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:33,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:21:33,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31261926] [2021-12-17 22:21:33,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:33,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:21:33,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:33,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:21:33,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:21:33,776 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 131 [2021-12-17 22:21:33,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 134 transitions, 642 flow. Second operand has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:33,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:33,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 131 [2021-12-17 22:21:33,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:34,446 INFO L129 PetriNetUnfolder]: 1968/4076 cut-off events. [2021-12-17 22:21:34,446 INFO L130 PetriNetUnfolder]: For 24157/25926 co-relation queries the response was YES. [2021-12-17 22:21:34,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14273 conditions, 4076 events. 1968/4076 cut-off events. For 24157/25926 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 30837 event pairs, 150 based on Foata normal form. 67/3946 useless extension candidates. Maximal degree in co-relation 14172. Up to 1158 conditions per place. [2021-12-17 22:21:34,478 INFO L132 encePairwiseOnDemand]: 121/131 looper letters, 49 selfloop transitions, 7 changer transitions 44/207 dead transitions. [2021-12-17 22:21:34,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 207 transitions, 1325 flow [2021-12-17 22:21:34,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 22:21:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-17 22:21:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1162 transitions. [2021-12-17 22:21:34,481 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8870229007633588 [2021-12-17 22:21:34,481 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1162 transitions. [2021-12-17 22:21:34,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1162 transitions. [2021-12-17 22:21:34,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:34,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1162 transitions. [2021-12-17 22:21:34,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 116.2) internal successors, (1162), 10 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:34,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:34,486 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:34,486 INFO L186 Difference]: Start difference. First operand has 169 places, 134 transitions, 642 flow. Second operand 10 states and 1162 transitions. [2021-12-17 22:21:34,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 207 transitions, 1325 flow [2021-12-17 22:21:34,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 207 transitions, 1202 flow, removed 57 selfloop flow, removed 14 redundant places. [2021-12-17 22:21:34,504 INFO L242 Difference]: Finished difference. Result has 161 places, 137 transitions, 611 flow [2021-12-17 22:21:34,504 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=611, PETRI_PLACES=161, PETRI_TRANSITIONS=137} [2021-12-17 22:21:34,506 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 38 predicate places. [2021-12-17 22:21:34,506 INFO L470 AbstractCegarLoop]: Abstraction has has 161 places, 137 transitions, 611 flow [2021-12-17 22:21:34,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:34,506 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:34,506 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:34,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 22:21:34,507 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:34,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:34,507 INFO L85 PathProgramCache]: Analyzing trace with hash 42801389, now seen corresponding path program 1 times [2021-12-17 22:21:34,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:34,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171347489] [2021-12-17 22:21:34,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:34,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:34,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:34,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171347489] [2021-12-17 22:21:34,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171347489] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:34,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:34,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-17 22:21:34,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997514925] [2021-12-17 22:21:34,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:34,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 22:21:34,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:34,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 22:21:34,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-12-17 22:21:34,694 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 131 [2021-12-17 22:21:34,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 137 transitions, 611 flow. Second operand has 10 states, 10 states have (on average 101.5) internal successors, (1015), 10 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:34,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:34,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 131 [2021-12-17 22:21:34,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:35,270 INFO L129 PetriNetUnfolder]: 652/2149 cut-off events. [2021-12-17 22:21:35,270 INFO L130 PetriNetUnfolder]: For 9763/10285 co-relation queries the response was YES. [2021-12-17 22:21:35,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8240 conditions, 2149 events. 652/2149 cut-off events. For 9763/10285 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 17018 event pairs, 136 based on Foata normal form. 32/2085 useless extension candidates. Maximal degree in co-relation 8137. Up to 464 conditions per place. [2021-12-17 22:21:35,289 INFO L132 encePairwiseOnDemand]: 116/131 looper letters, 65 selfloop transitions, 34 changer transitions 14/202 dead transitions. [2021-12-17 22:21:35,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 202 transitions, 1445 flow [2021-12-17 22:21:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-17 22:21:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-17 22:21:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1580 transitions. [2021-12-17 22:21:35,292 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8040712468193384 [2021-12-17 22:21:35,292 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1580 transitions. [2021-12-17 22:21:35,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1580 transitions. [2021-12-17 22:21:35,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:35,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1580 transitions. [2021-12-17 22:21:35,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 105.33333333333333) internal successors, (1580), 15 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:35,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 131.0) internal successors, (2096), 16 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:35,297 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 131.0) internal successors, (2096), 16 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:35,297 INFO L186 Difference]: Start difference. First operand has 161 places, 137 transitions, 611 flow. Second operand 15 states and 1580 transitions. [2021-12-17 22:21:35,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 202 transitions, 1445 flow [2021-12-17 22:21:35,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 202 transitions, 1436 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-12-17 22:21:35,307 INFO L242 Difference]: Finished difference. Result has 178 places, 159 transitions, 999 flow [2021-12-17 22:21:35,307 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=999, PETRI_PLACES=178, PETRI_TRANSITIONS=159} [2021-12-17 22:21:35,308 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 55 predicate places. [2021-12-17 22:21:35,308 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 159 transitions, 999 flow [2021-12-17 22:21:35,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 101.5) internal successors, (1015), 10 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:35,308 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:35,309 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:35,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 22:21:35,309 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:35,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:35,309 INFO L85 PathProgramCache]: Analyzing trace with hash 411286308, now seen corresponding path program 1 times [2021-12-17 22:21:35,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:35,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377973156] [2021-12-17 22:21:35,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:35,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:35,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:35,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377973156] [2021-12-17 22:21:35,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377973156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:35,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:35,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:21:35,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411725408] [2021-12-17 22:21:35,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:35,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:21:35,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:35,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:21:35,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:21:35,410 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 131 [2021-12-17 22:21:35,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 159 transitions, 999 flow. Second operand has 7 states, 7 states have (on average 110.14285714285714) internal successors, (771), 7 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:35,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:35,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 131 [2021-12-17 22:21:35,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:35,959 INFO L129 PetriNetUnfolder]: 1025/2540 cut-off events. [2021-12-17 22:21:35,959 INFO L130 PetriNetUnfolder]: For 21952/22951 co-relation queries the response was YES. [2021-12-17 22:21:35,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11921 conditions, 2540 events. 1025/2540 cut-off events. For 21952/22951 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 19493 event pairs, 98 based on Foata normal form. 178/2681 useless extension candidates. Maximal degree in co-relation 11815. Up to 650 conditions per place. [2021-12-17 22:21:35,983 INFO L132 encePairwiseOnDemand]: 121/131 looper letters, 69 selfloop transitions, 20 changer transitions 44/240 dead transitions. [2021-12-17 22:21:35,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 240 transitions, 2105 flow [2021-12-17 22:21:35,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 22:21:35,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-17 22:21:35,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1279 transitions. [2021-12-17 22:21:35,985 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8875780707841776 [2021-12-17 22:21:35,985 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1279 transitions. [2021-12-17 22:21:35,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1279 transitions. [2021-12-17 22:21:35,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:35,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1279 transitions. [2021-12-17 22:21:35,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 116.27272727272727) internal successors, (1279), 11 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:35,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:35,989 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:35,989 INFO L186 Difference]: Start difference. First operand has 178 places, 159 transitions, 999 flow. Second operand 11 states and 1279 transitions. [2021-12-17 22:21:35,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 240 transitions, 2105 flow [2021-12-17 22:21:36,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 240 transitions, 1971 flow, removed 58 selfloop flow, removed 8 redundant places. [2021-12-17 22:21:36,007 INFO L242 Difference]: Finished difference. Result has 181 places, 156 transitions, 899 flow [2021-12-17 22:21:36,007 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=757, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=899, PETRI_PLACES=181, PETRI_TRANSITIONS=156} [2021-12-17 22:21:36,007 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 58 predicate places. [2021-12-17 22:21:36,008 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 156 transitions, 899 flow [2021-12-17 22:21:36,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.14285714285714) internal successors, (771), 7 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:36,008 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:36,008 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:36,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 22:21:36,009 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:36,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:36,009 INFO L85 PathProgramCache]: Analyzing trace with hash 507774368, now seen corresponding path program 1 times [2021-12-17 22:21:36,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:36,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387870176] [2021-12-17 22:21:36,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:36,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:36,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:36,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387870176] [2021-12-17 22:21:36,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387870176] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:36,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:36,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-17 22:21:36,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758433214] [2021-12-17 22:21:36,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:36,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-17 22:21:36,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:36,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-17 22:21:36,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-12-17 22:21:36,373 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 131 [2021-12-17 22:21:36,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 156 transitions, 899 flow. Second operand has 17 states, 17 states have (on average 95.82352941176471) internal successors, (1629), 17 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:36,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:36,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 131 [2021-12-17 22:21:36,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:37,179 INFO L129 PetriNetUnfolder]: 445/2122 cut-off events. [2021-12-17 22:21:37,179 INFO L130 PetriNetUnfolder]: For 10012/10318 co-relation queries the response was YES. [2021-12-17 22:21:37,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8005 conditions, 2122 events. 445/2122 cut-off events. For 10012/10318 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 19929 event pairs, 21 based on Foata normal form. 33/2073 useless extension candidates. Maximal degree in co-relation 7887. Up to 527 conditions per place. [2021-12-17 22:21:37,196 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 56 selfloop transitions, 21 changer transitions 30/209 dead transitions. [2021-12-17 22:21:37,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 209 transitions, 1728 flow [2021-12-17 22:21:37,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-17 22:21:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-12-17 22:21:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1968 transitions. [2021-12-17 22:21:37,199 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.751145038167939 [2021-12-17 22:21:37,199 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1968 transitions. [2021-12-17 22:21:37,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1968 transitions. [2021-12-17 22:21:37,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:37,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1968 transitions. [2021-12-17 22:21:37,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 98.4) internal successors, (1968), 20 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:37,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 131.0) internal successors, (2751), 21 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:37,206 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 131.0) internal successors, (2751), 21 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:37,206 INFO L186 Difference]: Start difference. First operand has 181 places, 156 transitions, 899 flow. Second operand 20 states and 1968 transitions. [2021-12-17 22:21:37,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 209 transitions, 1728 flow [2021-12-17 22:21:37,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 209 transitions, 1588 flow, removed 65 selfloop flow, removed 7 redundant places. [2021-12-17 22:21:37,237 INFO L242 Difference]: Finished difference. Result has 197 places, 158 transitions, 879 flow [2021-12-17 22:21:37,237 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=783, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=879, PETRI_PLACES=197, PETRI_TRANSITIONS=158} [2021-12-17 22:21:37,238 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 74 predicate places. [2021-12-17 22:21:37,238 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 158 transitions, 879 flow [2021-12-17 22:21:37,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 95.82352941176471) internal successors, (1629), 17 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:37,243 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:37,243 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:37,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 22:21:37,244 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:37,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:37,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1192705790, now seen corresponding path program 2 times [2021-12-17 22:21:37,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:37,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781972253] [2021-12-17 22:21:37,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:37,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:37,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:37,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781972253] [2021-12-17 22:21:37,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781972253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:37,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:37,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-17 22:21:37,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671855300] [2021-12-17 22:21:37,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:37,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-17 22:21:37,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:37,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-17 22:21:37,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-12-17 22:21:37,537 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 131 [2021-12-17 22:21:37,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 158 transitions, 879 flow. Second operand has 14 states, 14 states have (on average 96.21428571428571) internal successors, (1347), 14 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:37,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:37,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 131 [2021-12-17 22:21:37,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:38,053 INFO L129 PetriNetUnfolder]: 407/1981 cut-off events. [2021-12-17 22:21:38,054 INFO L130 PetriNetUnfolder]: For 7502/7668 co-relation queries the response was YES. [2021-12-17 22:21:38,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6388 conditions, 1981 events. 407/1981 cut-off events. For 7502/7668 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 18782 event pairs, 36 based on Foata normal form. 21/1919 useless extension candidates. Maximal degree in co-relation 6259. Up to 298 conditions per place. [2021-12-17 22:21:38,071 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 52 selfloop transitions, 21 changer transitions 16/191 dead transitions. [2021-12-17 22:21:38,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 191 transitions, 1530 flow [2021-12-17 22:21:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-17 22:21:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-17 22:21:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1571 transitions. [2021-12-17 22:21:38,074 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7495229007633588 [2021-12-17 22:21:38,074 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1571 transitions. [2021-12-17 22:21:38,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1571 transitions. [2021-12-17 22:21:38,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:38,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1571 transitions. [2021-12-17 22:21:38,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 98.1875) internal successors, (1571), 16 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,079 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,079 INFO L186 Difference]: Start difference. First operand has 197 places, 158 transitions, 879 flow. Second operand 16 states and 1571 transitions. [2021-12-17 22:21:38,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 191 transitions, 1530 flow [2021-12-17 22:21:38,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 191 transitions, 1382 flow, removed 48 selfloop flow, removed 19 redundant places. [2021-12-17 22:21:38,099 INFO L242 Difference]: Finished difference. Result has 191 places, 164 transitions, 992 flow [2021-12-17 22:21:38,099 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=992, PETRI_PLACES=191, PETRI_TRANSITIONS=164} [2021-12-17 22:21:38,099 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 68 predicate places. [2021-12-17 22:21:38,100 INFO L470 AbstractCegarLoop]: Abstraction has has 191 places, 164 transitions, 992 flow [2021-12-17 22:21:38,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 96.21428571428571) internal successors, (1347), 14 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,100 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:38,100 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:38,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 22:21:38,101 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:38,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1427971987, now seen corresponding path program 1 times [2021-12-17 22:21:38,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:38,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887077985] [2021-12-17 22:21:38,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:38,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:21:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:21:38,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:21:38,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887077985] [2021-12-17 22:21:38,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887077985] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:21:38,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:21:38,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 22:21:38,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279944557] [2021-12-17 22:21:38,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:21:38,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 22:21:38,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:21:38,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 22:21:38,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-17 22:21:38,223 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 131 [2021-12-17 22:21:38,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 164 transitions, 992 flow. Second operand has 8 states, 8 states have (on average 110.125) internal successors, (881), 8 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:21:38,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 131 [2021-12-17 22:21:38,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:21:38,869 INFO L129 PetriNetUnfolder]: 1338/3444 cut-off events. [2021-12-17 22:21:38,870 INFO L130 PetriNetUnfolder]: For 25126/25864 co-relation queries the response was YES. [2021-12-17 22:21:38,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14830 conditions, 3444 events. 1338/3444 cut-off events. For 25126/25864 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 30720 event pairs, 132 based on Foata normal form. 155/3562 useless extension candidates. Maximal degree in co-relation 14787. Up to 865 conditions per place. [2021-12-17 22:21:38,892 INFO L132 encePairwiseOnDemand]: 121/131 looper letters, 44 selfloop transitions, 18 changer transitions 65/235 dead transitions. [2021-12-17 22:21:38,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 235 transitions, 1933 flow [2021-12-17 22:21:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 22:21:38,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-17 22:21:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1594 transitions. [2021-12-17 22:21:38,894 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8691384950926936 [2021-12-17 22:21:38,895 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1594 transitions. [2021-12-17 22:21:38,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1594 transitions. [2021-12-17 22:21:38,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:21:38,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1594 transitions. [2021-12-17 22:21:38,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 113.85714285714286) internal successors, (1594), 14 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,899 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,899 INFO L186 Difference]: Start difference. First operand has 191 places, 164 transitions, 992 flow. Second operand 14 states and 1594 transitions. [2021-12-17 22:21:38,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 235 transitions, 1933 flow [2021-12-17 22:21:38,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 235 transitions, 1668 flow, removed 91 selfloop flow, removed 16 redundant places. [2021-12-17 22:21:38,941 INFO L242 Difference]: Finished difference. Result has 189 places, 148 transitions, 754 flow [2021-12-17 22:21:38,942 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=754, PETRI_PLACES=189, PETRI_TRANSITIONS=148} [2021-12-17 22:21:38,942 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, 66 predicate places. [2021-12-17 22:21:38,942 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 148 transitions, 754 flow [2021-12-17 22:21:38,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 110.125) internal successors, (881), 8 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:21:38,943 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:21:38,943 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:38,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-17 22:21:38,943 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:21:38,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:21:38,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1629938192, now seen corresponding path program 1 times [2021-12-17 22:21:38,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:21:38,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572331841] [2021-12-17 22:21:38,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:21:38,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:21:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:21:39,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 22:21:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:21:39,131 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 22:21:39,131 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 22:21:39,132 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-12-17 22:21:39,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-12-17 22:21:39,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-12-17 22:21:39,133 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-12-17 22:21:39,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 22:21:39,136 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:21:39,140 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-17 22:21:39,140 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 22:21:39,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:21:39 BasicIcfg [2021-12-17 22:21:39,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 22:21:39,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 22:21:39,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 22:21:39,298 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 22:21:39,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:21:28" (3/4) ... [2021-12-17 22:21:39,299 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-17 22:21:39,391 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 22:21:39,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 22:21:39,392 INFO L158 Benchmark]: Toolchain (without parser) took 12471.43ms. Allocated memory was 83.9MB in the beginning and 645.9MB in the end (delta: 562.0MB). Free memory was 49.8MB in the beginning and 448.2MB in the end (delta: -398.5MB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. [2021-12-17 22:21:39,392 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 56.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 22:21:39,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.12ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 49.6MB in the beginning and 79.0MB in the end (delta: -29.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 22:21:39,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.05ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 22:21:39,392 INFO L158 Benchmark]: Boogie Preprocessor took 58.06ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 22:21:39,393 INFO L158 Benchmark]: RCFGBuilder took 1093.00ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 73.4MB in the beginning and 112.8MB in the end (delta: -39.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2021-12-17 22:21:39,393 INFO L158 Benchmark]: TraceAbstraction took 10740.86ms. Allocated memory was 146.8MB in the beginning and 645.9MB in the end (delta: 499.1MB). Free memory was 111.8MB in the beginning and 516.5MB in the end (delta: -404.6MB). Peak memory consumption was 428.0MB. Max. memory is 16.1GB. [2021-12-17 22:21:39,393 INFO L158 Benchmark]: Witness Printer took 93.75ms. Allocated memory is still 645.9MB. Free memory was 516.5MB in the beginning and 448.2MB in the end (delta: 68.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-12-17 22:21:39,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 56.5MB in the beginning and 56.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.12ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 49.6MB in the beginning and 79.0MB in the end (delta: -29.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.05ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.06ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1093.00ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 73.4MB in the beginning and 112.8MB in the end (delta: -39.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10740.86ms. Allocated memory was 146.8MB in the beginning and 645.9MB in the end (delta: 499.1MB). Free memory was 111.8MB in the beginning and 516.5MB in the end (delta: -404.6MB). Peak memory consumption was 428.0MB. Max. memory is 16.1GB. * Witness Printer took 93.75ms. Allocated memory is still 645.9MB. Free memory was 516.5MB in the beginning and 448.2MB in the end (delta: 68.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0] [L714] 0 int __unbuffered_p0_EAX$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0] [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0] [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0] [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0] [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0] [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0] [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0] [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0] [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0] [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0] [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}] [L725] 0 int __unbuffered_p0_EAX$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0] [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0] [L727] 0 int __unbuffered_p0_EAX$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0] [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0] [L730] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0] [L731] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L732] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L734] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L736] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}] [L737] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0] [L738] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0] [L739] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L740] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L741] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L742] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L743] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L744] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L745] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L746] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L747] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L748] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L749] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L750] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L751] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L752] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L753] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L754] 0 _Bool weak$$choice1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L755] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L850] 0 pthread_t t1813; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1813={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L851] FCALL, FORK 0 pthread_create(&t1813, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1813, ((void *)0), P0, ((void *)0))=2, t1813={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L759] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L760] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L761] 1 y$flush_delayed = weak$$choice2 [L762] EXPR 1 \read(y) [L762] 1 y$mem_tmp = y [L763] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L763] EXPR 1 \read(y) [L763] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L763] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L764] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L764] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L764] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L764] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L765] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L765] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L765] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L765] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L766] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L766] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L766] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L766] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L767] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L767] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L767] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L767] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L768] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L768] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L768] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L768] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L769] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L769] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L770] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L771] 1 __unbuffered_p0_EAX$read_delayed_var = &y [L772] EXPR 1 \read(y) [L772] 1 __unbuffered_p0_EAX = y [L773] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L773] EXPR 1 \read(y) [L773] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L773] 1 y = y$flush_delayed ? y$mem_tmp : y [L774] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L852] 0 pthread_t t1814; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1813={5:0}, t1814={7:0}, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L777] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L782] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L853] FCALL, FORK 0 pthread_create(&t1814, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1814, ((void *)0), P1, ((void *)0))=3, t1813={5:0}, t1814={7:0}, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L854] 0 pthread_t t1815; VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1813={5:0}, t1814={7:0}, t1815={8:0}, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L789] 2 x = 2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L792] 2 y = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L795] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L795] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L795] EXPR 2 \read(y) [L795] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L795] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L795] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L796] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L797] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L797] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L798] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L798] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L799] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L799] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L855] FCALL, FORK 0 pthread_create(&t1815, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1815, ((void *)0), P2, ((void *)0))=4, t1813={5:0}, t1814={7:0}, t1815={8:0}, weak$$choice0=4, weak$$choice1=0, weak$$choice2=0, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L809] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L810] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L811] 3 y$flush_delayed = weak$$choice2 [L812] EXPR 3 \read(y) [L812] 3 y$mem_tmp = y [L813] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L813] EXPR 3 \read(y) [L813] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L813] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L814] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L814] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L815] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L815] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L816] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L816] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L817] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L817] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L818] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L819] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] EXPR 3 \read(y) [L820] 3 __unbuffered_p2_EAX = y [L821] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L821] 3 y = y$flush_delayed ? y$mem_tmp : y [L822] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L825] 3 y = 2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L828] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L828] EXPR 3 \read(y) [L828] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L828] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L829] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L829] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L830] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L830] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L831] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L831] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L832] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L802] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L835] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1813={5:0}, t1814={7:0}, t1815={8:0}, weak$$choice0=3, weak$$choice1=0, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L859] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L859] RET 0 assume_abort_if_not(main$tmp_guard0) [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L861] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L861] EXPR 0 \read(y) [L861] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L861] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L862] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L862] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L863] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L863] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L864] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L864] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L865] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L868] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L869] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L870] 0 y$flush_delayed = weak$$choice2 [L871] EXPR 0 \read(y) [L871] 0 y$mem_tmp = y [L872] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L872] EXPR 0 \read(y) [L872] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L872] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L873] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L873] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L874] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L874] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L875] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L875] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L876] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L877] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L878] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L879] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L880] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L880] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L880] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L880] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L880] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L880] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L881] EXPR 0 x == 2 && y == 2 [L881] EXPR 0 \read(y) [L881] EXPR 0 x == 2 && y == 2 [L881] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 2 && __unbuffered_p2_EAX == 1) [L882] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L882] 0 y = y$flush_delayed ? y$mem_tmp : y [L883] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1813={5:0}, t1814={7:0}, t1815={8:0}, weak$$choice0=5, weak$$choice1=1, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L885] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice1=1, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L19] 0 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice1=1, weak$$choice2=255, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 855]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 156 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.4s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 883 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 883 mSDsluCounter, 1015 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1352 mSDsCounter, 303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2055 IncrementalHoareTripleChecker+Invalid, 2358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 303 mSolverCounterUnsat, 211 mSDtfsCounter, 2055 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=999occurred in iteration=9, InterpolantAutomatonStates: 173, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1389 NumberOfCodeBlocks, 1389 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1270 ConstructedInterpolants, 0 QuantifiedInterpolants, 7313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-17 22:21:39,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE