./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be --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 bb32390c6e08fa980f308e05dcc5f75aadd246c70ded8fbe4d875fa3ae4239fa ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:35:59,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:35:59,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:35:59,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:35:59,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:35:59,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:35:59,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:35:59,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:35:59,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:35:59,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:35:59,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:35:59,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:35:59,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:35:59,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:35:59,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:35:59,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:35:59,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:35:59,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:35:59,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:35:59,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:35:59,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:35:59,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:35:59,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:35:59,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:35:59,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:35:59,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:35:59,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:35:59,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:35:59,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:35:59,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:35:59,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:35:59,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:35:59,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:35:59,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:35:59,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:35:59,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:35:59,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:35:59,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:35:59,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:35:59,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:35:59,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:35:59,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:35:59,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:35:59,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:35:59,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:35:59,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:35:59,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:35:59,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:35:59,402 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:35:59,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:35:59,402 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:35:59,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:35:59,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:35:59,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:35:59,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:35:59,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:35:59,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:35:59,405 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:35:59,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:35:59,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:35:59,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:35:59,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:35:59,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:35:59,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:35:59,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:35:59,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:35:59,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:35:59,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:35:59,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:35:59,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:35:59,408 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:35:59,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:35:59,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:35:59,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:35:59,409 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb32390c6e08fa980f308e05dcc5f75aadd246c70ded8fbe4d875fa3ae4239fa [2021-10-21 19:35:59,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:35:59,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:35:59,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:35:59,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:35:59,786 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:35:59,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i [2021-10-21 19:35:59,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/data/170dea27d/7cbcc8e1d5ef4c10b612154e3d85a7da/FLAG56edfe9ac [2021-10-21 19:36:00,525 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:36:00,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i [2021-10-21 19:36:00,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/data/170dea27d/7cbcc8e1d5ef4c10b612154e3d85a7da/FLAG56edfe9ac [2021-10-21 19:36:00,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/data/170dea27d/7cbcc8e1d5ef4c10b612154e3d85a7da [2021-10-21 19:36:00,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:36:00,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:36:00,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:36:00,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:36:00,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:36:00,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:36:00" (1/1) ... [2021-10-21 19:36:00,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@323f42ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:00, skipping insertion in model container [2021-10-21 19:36:00,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:36:00" (1/1) ... [2021-10-21 19:36:00,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:36:00,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:36:01,086 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i[993,1006] [2021-10-21 19:36:01,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:36:01,388 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:36:01,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/sv-benchmarks/c/pthread-wmm/safe014_rmo.oepc.i[993,1006] [2021-10-21 19:36:01,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:36:01,549 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:36:01,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01 WrapperNode [2021-10-21 19:36:01,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:36:01,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:36:01,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:36:01,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:36:01,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:36:01,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:36:01,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:36:01,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:36:01,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:36:01,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:36:01,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:36:01,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:36:01,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (1/1) ... [2021-10-21 19:36:01,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:36:01,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:36:01,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:36:01,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:36:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:36:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:36:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-21 19:36:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:36:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:36:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-21 19:36:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-21 19:36:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-21 19:36:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-21 19:36:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-21 19:36:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-21 19:36:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:36:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-21 19:36:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:36:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:36:01,796 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-21 19:36:03,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:36:03,781 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 19:36:03,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:36:03 BoogieIcfgContainer [2021-10-21 19:36:03,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:36:03,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:36:03,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:36:03,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:36:03,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:36:00" (1/3) ... [2021-10-21 19:36:03,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e70b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:36:03, skipping insertion in model container [2021-10-21 19:36:03,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:36:01" (2/3) ... [2021-10-21 19:36:03,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e70b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:36:03, skipping insertion in model container [2021-10-21 19:36:03,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:36:03" (3/3) ... [2021-10-21 19:36:03,794 INFO L111 eAbstractionObserver]: Analyzing ICFG safe014_rmo.oepc.i [2021-10-21 19:36:03,800 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-21 19:36:03,800 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:36:03,801 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:36:03,801 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-21 19:36:03,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,854 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,854 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,890 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,897 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,897 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,897 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,912 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,913 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,914 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,914 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,914 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,917 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,921 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,921 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,927 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,928 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:36:03,936 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-21 19:36:03,986 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:36:03,992 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 [2021-10-21 19:36:03,992 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-21 19:36:04,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 122 transitions, 259 flow [2021-10-21 19:36:04,054 INFO L129 PetriNetUnfolder]: 2/119 cut-off events. [2021-10-21 19:36:04,055 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 19:36:04,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 119 events. 2/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2021-10-21 19:36:04,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 122 transitions, 259 flow [2021-10-21 19:36:04,067 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 107 transitions, 223 flow [2021-10-21 19:36:04,116 INFO L129 PetriNetUnfolder]: 1/106 cut-off events. [2021-10-21 19:36:04,116 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 19:36:04,116 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:04,117 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] [2021-10-21 19:36:04,118 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:04,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:04,127 INFO L82 PathProgramCache]: Analyzing trace with hash 479979360, now seen corresponding path program 1 times [2021-10-21 19:36:04,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:04,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980286696] [2021-10-21 19:36:04,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:04,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:04,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:04,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980286696] [2021-10-21 19:36:04,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980286696] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:04,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:04,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:36:04,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394149879] [2021-10-21 19:36:04,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:36:04,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:04,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:36:04,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:36:04,787 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 122 [2021-10-21 19:36:04,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 107 transitions, 223 flow. Second operand has 6 states, 6 states have (on average 111.16666666666667) internal successors, (667), 6 states have internal predecessors, (667), 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) [2021-10-21 19:36:04,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:04,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 122 [2021-10-21 19:36:04,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:04,989 INFO L129 PetriNetUnfolder]: 3/122 cut-off events. [2021-10-21 19:36:04,989 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 19:36:04,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 122 events. 3/122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 90 event pairs, 0 based on Foata normal form. 4/125 useless extension candidates. Maximal degree in co-relation 85. Up to 7 conditions per place. [2021-10-21 19:36:04,991 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 6 selfloop transitions, 2 changer transitions 11/116 dead transitions. [2021-10-21 19:36:04,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 116 transitions, 277 flow [2021-10-21 19:36:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:36:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 19:36:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1012 transitions. [2021-10-21 19:36:05,011 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9216757741347905 [2021-10-21 19:36:05,011 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1012 transitions. [2021-10-21 19:36:05,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1012 transitions. [2021-10-21 19:36:05,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:05,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1012 transitions. [2021-10-21 19:36:05,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 112.44444444444444) internal successors, (1012), 9 states have internal predecessors, (1012), 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) [2021-10-21 19:36:05,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-10-21 19:36:05,037 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-10-21 19:36:05,039 INFO L186 Difference]: Start difference. First operand has 116 places, 107 transitions, 223 flow. Second operand 9 states and 1012 transitions. [2021-10-21 19:36:05,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 116 transitions, 277 flow [2021-10-21 19:36:05,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 116 transitions, 274 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-21 19:36:05,048 INFO L242 Difference]: Finished difference. Result has 128 places, 105 transitions, 236 flow [2021-10-21 19:36:05,051 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=236, PETRI_PLACES=128, PETRI_TRANSITIONS=105} [2021-10-21 19:36:05,052 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 12 predicate places. [2021-10-21 19:36:05,052 INFO L470 AbstractCegarLoop]: Abstraction has has 128 places, 105 transitions, 236 flow [2021-10-21 19:36:05,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.16666666666667) internal successors, (667), 6 states have internal predecessors, (667), 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) [2021-10-21 19:36:05,053 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:05,053 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] [2021-10-21 19:36:05,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:36:05,054 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:05,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:05,054 INFO L82 PathProgramCache]: Analyzing trace with hash 288291937, now seen corresponding path program 1 times [2021-10-21 19:36:05,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:05,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72019277] [2021-10-21 19:36:05,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:05,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:05,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:05,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72019277] [2021-10-21 19:36:05,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72019277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:05,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:05,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:36:05,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287083058] [2021-10-21 19:36:05,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:36:05,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:05,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:36:05,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:36:05,258 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 122 [2021-10-21 19:36:05,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 105 transitions, 236 flow. Second operand has 6 states, 6 states have (on average 108.33333333333333) internal successors, (650), 6 states have internal predecessors, (650), 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) [2021-10-21 19:36:05,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:05,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 122 [2021-10-21 19:36:05,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:05,439 INFO L129 PetriNetUnfolder]: 53/241 cut-off events. [2021-10-21 19:36:05,439 INFO L130 PetriNetUnfolder]: For 55/85 co-relation queries the response was YES. [2021-10-21 19:36:05,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 241 events. 53/241 cut-off events. For 55/85 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 732 event pairs, 13 based on Foata normal form. 6/238 useless extension candidates. Maximal degree in co-relation 396. Up to 58 conditions per place. [2021-10-21 19:36:05,444 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 11 selfloop transitions, 2 changer transitions 19/126 dead transitions. [2021-10-21 19:36:05,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 126 transitions, 363 flow [2021-10-21 19:36:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:36:05,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 19:36:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 997 transitions. [2021-10-21 19:36:05,448 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9080145719489982 [2021-10-21 19:36:05,448 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 997 transitions. [2021-10-21 19:36:05,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 997 transitions. [2021-10-21 19:36:05,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:05,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 997 transitions. [2021-10-21 19:36:05,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 110.77777777777777) internal successors, (997), 9 states have internal predecessors, (997), 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) [2021-10-21 19:36:05,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-10-21 19:36:05,459 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-10-21 19:36:05,459 INFO L186 Difference]: Start difference. First operand has 128 places, 105 transitions, 236 flow. Second operand 9 states and 997 transitions. [2021-10-21 19:36:05,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 126 transitions, 363 flow [2021-10-21 19:36:05,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 126 transitions, 329 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-10-21 19:36:05,466 INFO L242 Difference]: Finished difference. Result has 128 places, 105 transitions, 240 flow [2021-10-21 19:36:05,466 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=240, PETRI_PLACES=128, PETRI_TRANSITIONS=105} [2021-10-21 19:36:05,467 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 12 predicate places. [2021-10-21 19:36:05,467 INFO L470 AbstractCegarLoop]: Abstraction has has 128 places, 105 transitions, 240 flow [2021-10-21 19:36:05,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.33333333333333) internal successors, (650), 6 states have internal predecessors, (650), 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) [2021-10-21 19:36:05,468 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:05,469 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] [2021-10-21 19:36:05,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:36:05,469 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:05,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:05,470 INFO L82 PathProgramCache]: Analyzing trace with hash -855540800, now seen corresponding path program 1 times [2021-10-21 19:36:05,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:05,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105905332] [2021-10-21 19:36:05,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:05,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:05,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:05,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105905332] [2021-10-21 19:36:05,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105905332] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:05,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:05,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:36:05,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765949230] [2021-10-21 19:36:05,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:36:05,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:05,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:36:05,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:36:05,625 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 122 [2021-10-21 19:36:05,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 105 transitions, 240 flow. Second operand has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 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) [2021-10-21 19:36:05,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:05,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 122 [2021-10-21 19:36:05,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:05,782 INFO L129 PetriNetUnfolder]: 28/193 cut-off events. [2021-10-21 19:36:05,782 INFO L130 PetriNetUnfolder]: For 43/81 co-relation queries the response was YES. [2021-10-21 19:36:05,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 193 events. 28/193 cut-off events. For 43/81 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 459 event pairs, 8 based on Foata normal form. 4/190 useless extension candidates. Maximal degree in co-relation 305. Up to 30 conditions per place. [2021-10-21 19:36:05,785 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 11 selfloop transitions, 2 changer transitions 16/123 dead transitions. [2021-10-21 19:36:05,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 123 transitions, 355 flow [2021-10-21 19:36:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:36:05,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 19:36:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 994 transitions. [2021-10-21 19:36:05,790 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9052823315118397 [2021-10-21 19:36:05,790 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 994 transitions. [2021-10-21 19:36:05,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 994 transitions. [2021-10-21 19:36:05,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:05,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 994 transitions. [2021-10-21 19:36:05,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 110.44444444444444) internal successors, (994), 9 states have internal predecessors, (994), 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) [2021-10-21 19:36:05,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-10-21 19:36:05,800 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-10-21 19:36:05,800 INFO L186 Difference]: Start difference. First operand has 128 places, 105 transitions, 240 flow. Second operand 9 states and 994 transitions. [2021-10-21 19:36:05,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 123 transitions, 355 flow [2021-10-21 19:36:05,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 123 transitions, 323 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-10-21 19:36:05,806 INFO L242 Difference]: Finished difference. Result has 129 places, 105 transitions, 244 flow [2021-10-21 19:36:05,806 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=244, PETRI_PLACES=129, PETRI_TRANSITIONS=105} [2021-10-21 19:36:05,807 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 13 predicate places. [2021-10-21 19:36:05,807 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 105 transitions, 244 flow [2021-10-21 19:36:05,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 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) [2021-10-21 19:36:05,808 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:05,808 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] [2021-10-21 19:36:05,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:36:05,808 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:05,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:05,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1450121014, now seen corresponding path program 1 times [2021-10-21 19:36:05,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:05,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002512195] [2021-10-21 19:36:05,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:05,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:06,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:06,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002512195] [2021-10-21 19:36:06,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002512195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:06,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:06,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:36:06,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365310336] [2021-10-21 19:36:06,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:36:06,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:06,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:36:06,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:36:06,010 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 122 [2021-10-21 19:36:06,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 105 transitions, 244 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) [2021-10-21 19:36:06,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:06,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 122 [2021-10-21 19:36:06,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:06,182 INFO L129 PetriNetUnfolder]: 3/120 cut-off events. [2021-10-21 19:36:06,182 INFO L130 PetriNetUnfolder]: For 32/34 co-relation queries the response was YES. [2021-10-21 19:36:06,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 120 events. 3/120 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 0 based on Foata normal form. 2/122 useless extension candidates. Maximal degree in co-relation 166. Up to 7 conditions per place. [2021-10-21 19:36:06,184 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 6 selfloop transitions, 3 changer transitions 10/115 dead transitions. [2021-10-21 19:36:06,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 115 transitions, 324 flow [2021-10-21 19:36:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:36:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-21 19:36:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1111 transitions. [2021-10-21 19:36:06,189 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.910655737704918 [2021-10-21 19:36:06,189 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1111 transitions. [2021-10-21 19:36:06,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1111 transitions. [2021-10-21 19:36:06,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:06,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1111 transitions. [2021-10-21 19:36:06,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 111.1) internal successors, (1111), 10 states have internal predecessors, (1111), 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) [2021-10-21 19:36:06,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2021-10-21 19:36:06,219 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2021-10-21 19:36:06,219 INFO L186 Difference]: Start difference. First operand has 129 places, 105 transitions, 244 flow. Second operand 10 states and 1111 transitions. [2021-10-21 19:36:06,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 115 transitions, 324 flow [2021-10-21 19:36:06,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 115 transitions, 292 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-10-21 19:36:06,226 INFO L242 Difference]: Finished difference. Result has 131 places, 105 transitions, 250 flow [2021-10-21 19:36:06,226 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=250, PETRI_PLACES=131, PETRI_TRANSITIONS=105} [2021-10-21 19:36:06,226 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 15 predicate places. [2021-10-21 19:36:06,227 INFO L470 AbstractCegarLoop]: Abstraction has has 131 places, 105 transitions, 250 flow [2021-10-21 19:36:06,227 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) [2021-10-21 19:36:06,227 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:06,227 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] [2021-10-21 19:36:06,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:36:06,228 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:06,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:06,230 INFO L82 PathProgramCache]: Analyzing trace with hash 655353257, now seen corresponding path program 1 times [2021-10-21 19:36:06,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:06,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460860932] [2021-10-21 19:36:06,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:06,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:06,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:06,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460860932] [2021-10-21 19:36:06,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460860932] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:06,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:06,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:36:06,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225990327] [2021-10-21 19:36:06,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:36:06,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:06,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:36:06,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:36:06,516 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 122 [2021-10-21 19:36:06,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 105 transitions, 250 flow. Second operand has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 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) [2021-10-21 19:36:06,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:06,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 122 [2021-10-21 19:36:06,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:06,631 INFO L129 PetriNetUnfolder]: 18/180 cut-off events. [2021-10-21 19:36:06,631 INFO L130 PetriNetUnfolder]: For 88/222 co-relation queries the response was YES. [2021-10-21 19:36:06,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 180 events. 18/180 cut-off events. For 88/222 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 412 event pairs, 1 based on Foata normal form. 3/176 useless extension candidates. Maximal degree in co-relation 284. Up to 24 conditions per place. [2021-10-21 19:36:06,634 INFO L132 encePairwiseOnDemand]: 114/122 looper letters, 11 selfloop transitions, 4 changer transitions 8/116 dead transitions. [2021-10-21 19:36:06,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 116 transitions, 336 flow [2021-10-21 19:36:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:36:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-21 19:36:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 766 transitions. [2021-10-21 19:36:06,637 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8969555035128806 [2021-10-21 19:36:06,637 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 766 transitions. [2021-10-21 19:36:06,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 766 transitions. [2021-10-21 19:36:06,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:06,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 766 transitions. [2021-10-21 19:36:06,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 109.42857142857143) internal successors, (766), 7 states have internal predecessors, (766), 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) [2021-10-21 19:36:06,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 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) [2021-10-21 19:36:06,644 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 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) [2021-10-21 19:36:06,644 INFO L186 Difference]: Start difference. First operand has 131 places, 105 transitions, 250 flow. Second operand 7 states and 766 transitions. [2021-10-21 19:36:06,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 116 transitions, 336 flow [2021-10-21 19:36:06,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 116 transitions, 310 flow, removed 10 selfloop flow, removed 9 redundant places. [2021-10-21 19:36:06,649 INFO L242 Difference]: Finished difference. Result has 126 places, 105 transitions, 252 flow [2021-10-21 19:36:06,650 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=252, PETRI_PLACES=126, PETRI_TRANSITIONS=105} [2021-10-21 19:36:06,650 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 10 predicate places. [2021-10-21 19:36:06,650 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 105 transitions, 252 flow [2021-10-21 19:36:06,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 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) [2021-10-21 19:36:06,651 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:06,651 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] [2021-10-21 19:36:06,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:36:06,652 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:06,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:06,652 INFO L82 PathProgramCache]: Analyzing trace with hash 308903947, now seen corresponding path program 2 times [2021-10-21 19:36:06,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:06,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738918142] [2021-10-21 19:36:06,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:06,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:07,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:07,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738918142] [2021-10-21 19:36:07,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738918142] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:07,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:07,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-21 19:36:07,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551583426] [2021-10-21 19:36:07,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-21 19:36:07,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:07,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-21 19:36:07,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-10-21 19:36:07,482 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 122 [2021-10-21 19:36:07,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 105 transitions, 252 flow. Second operand has 16 states, 16 states have (on average 83.75) internal successors, (1340), 16 states have internal predecessors, (1340), 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) [2021-10-21 19:36:07,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:07,485 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 122 [2021-10-21 19:36:07,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:08,182 INFO L129 PetriNetUnfolder]: 30/235 cut-off events. [2021-10-21 19:36:08,182 INFO L130 PetriNetUnfolder]: For 70/74 co-relation queries the response was YES. [2021-10-21 19:36:08,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 235 events. 30/235 cut-off events. For 70/74 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 644 event pairs, 14 based on Foata normal form. 3/234 useless extension candidates. Maximal degree in co-relation 397. Up to 56 conditions per place. [2021-10-21 19:36:08,186 INFO L132 encePairwiseOnDemand]: 107/122 looper letters, 26 selfloop transitions, 12 changer transitions 13/126 dead transitions. [2021-10-21 19:36:08,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 126 transitions, 415 flow [2021-10-21 19:36:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-21 19:36:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-10-21 19:36:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1447 transitions. [2021-10-21 19:36:08,194 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6976856316297011 [2021-10-21 19:36:08,194 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1447 transitions. [2021-10-21 19:36:08,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1447 transitions. [2021-10-21 19:36:08,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:08,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1447 transitions. [2021-10-21 19:36:08,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 85.11764705882354) internal successors, (1447), 17 states have internal predecessors, (1447), 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) [2021-10-21 19:36:08,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 122.0) internal successors, (2196), 18 states have internal predecessors, (2196), 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) [2021-10-21 19:36:08,210 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 122.0) internal successors, (2196), 18 states have internal predecessors, (2196), 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) [2021-10-21 19:36:08,210 INFO L186 Difference]: Start difference. First operand has 126 places, 105 transitions, 252 flow. Second operand 17 states and 1447 transitions. [2021-10-21 19:36:08,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 126 transitions, 415 flow [2021-10-21 19:36:08,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 126 transitions, 383 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-10-21 19:36:08,218 INFO L242 Difference]: Finished difference. Result has 142 places, 111 transitions, 309 flow [2021-10-21 19:36:08,218 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=309, PETRI_PLACES=142, PETRI_TRANSITIONS=111} [2021-10-21 19:36:08,218 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 26 predicate places. [2021-10-21 19:36:08,219 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 111 transitions, 309 flow [2021-10-21 19:36:08,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 83.75) internal successors, (1340), 16 states have internal predecessors, (1340), 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) [2021-10-21 19:36:08,220 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:08,220 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] [2021-10-21 19:36:08,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:36:08,221 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:08,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:08,222 INFO L82 PathProgramCache]: Analyzing trace with hash -2035937845, now seen corresponding path program 3 times [2021-10-21 19:36:08,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:08,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459217052] [2021-10-21 19:36:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:08,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:08,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:08,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459217052] [2021-10-21 19:36:08,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459217052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:08,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:08,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-10-21 19:36:08,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100001785] [2021-10-21 19:36:08,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-21 19:36:08,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:08,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-21 19:36:08,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-10-21 19:36:08,905 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 122 [2021-10-21 19:36:08,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 111 transitions, 309 flow. Second operand has 17 states, 17 states have (on average 84.58823529411765) internal successors, (1438), 17 states have internal predecessors, (1438), 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) [2021-10-21 19:36:08,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:08,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 122 [2021-10-21 19:36:08,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:09,610 INFO L129 PetriNetUnfolder]: 31/253 cut-off events. [2021-10-21 19:36:09,610 INFO L130 PetriNetUnfolder]: For 201/205 co-relation queries the response was YES. [2021-10-21 19:36:09,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 253 events. 31/253 cut-off events. For 201/205 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 760 event pairs, 8 based on Foata normal form. 5/255 useless extension candidates. Maximal degree in co-relation 508. Up to 52 conditions per place. [2021-10-21 19:36:09,613 INFO L132 encePairwiseOnDemand]: 107/122 looper letters, 25 selfloop transitions, 17 changer transitions 13/131 dead transitions. [2021-10-21 19:36:09,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 131 transitions, 525 flow [2021-10-21 19:36:09,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-21 19:36:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-10-21 19:36:09,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1547 transitions. [2021-10-21 19:36:09,619 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7044626593806922 [2021-10-21 19:36:09,620 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1547 transitions. [2021-10-21 19:36:09,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1547 transitions. [2021-10-21 19:36:09,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:09,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1547 transitions. [2021-10-21 19:36:09,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 85.94444444444444) internal successors, (1547), 18 states have internal predecessors, (1547), 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) [2021-10-21 19:36:09,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 122.0) internal successors, (2318), 19 states have internal predecessors, (2318), 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) [2021-10-21 19:36:09,633 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 122.0) internal successors, (2318), 19 states have internal predecessors, (2318), 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) [2021-10-21 19:36:09,633 INFO L186 Difference]: Start difference. First operand has 142 places, 111 transitions, 309 flow. Second operand 18 states and 1547 transitions. [2021-10-21 19:36:09,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 131 transitions, 525 flow [2021-10-21 19:36:09,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 131 transitions, 497 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-10-21 19:36:09,638 INFO L242 Difference]: Finished difference. Result has 153 places, 117 transitions, 395 flow [2021-10-21 19:36:09,638 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=395, PETRI_PLACES=153, PETRI_TRANSITIONS=117} [2021-10-21 19:36:09,639 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 37 predicate places. [2021-10-21 19:36:09,639 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 117 transitions, 395 flow [2021-10-21 19:36:09,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 84.58823529411765) internal successors, (1438), 17 states have internal predecessors, (1438), 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) [2021-10-21 19:36:09,640 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:09,640 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] [2021-10-21 19:36:09,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:36:09,641 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:09,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:09,641 INFO L82 PathProgramCache]: Analyzing trace with hash -937358467, now seen corresponding path program 4 times [2021-10-21 19:36:09,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:09,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862657994] [2021-10-21 19:36:09,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:09,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:10,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:10,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862657994] [2021-10-21 19:36:10,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862657994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:10,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:10,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-10-21 19:36:10,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098801301] [2021-10-21 19:36:10,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-21 19:36:10,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:10,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-21 19:36:10,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-10-21 19:36:10,200 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 122 [2021-10-21 19:36:10,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 117 transitions, 395 flow. Second operand has 17 states, 17 states have (on average 83.6470588235294) internal successors, (1422), 17 states have internal predecessors, (1422), 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) [2021-10-21 19:36:10,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:10,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 122 [2021-10-21 19:36:10,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:11,100 INFO L129 PetriNetUnfolder]: 26/248 cut-off events. [2021-10-21 19:36:11,100 INFO L130 PetriNetUnfolder]: For 435/440 co-relation queries the response was YES. [2021-10-21 19:36:11,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 248 events. 26/248 cut-off events. For 435/440 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 748 event pairs, 6 based on Foata normal form. 7/253 useless extension candidates. Maximal degree in co-relation 551. Up to 36 conditions per place. [2021-10-21 19:36:11,104 INFO L132 encePairwiseOnDemand]: 108/122 looper letters, 27 selfloop transitions, 20 changer transitions 13/135 dead transitions. [2021-10-21 19:36:11,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 135 transitions, 661 flow [2021-10-21 19:36:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-21 19:36:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-21 19:36:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1613 transitions. [2021-10-21 19:36:11,111 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6958584987057809 [2021-10-21 19:36:11,111 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1613 transitions. [2021-10-21 19:36:11,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1613 transitions. [2021-10-21 19:36:11,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:11,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1613 transitions. [2021-10-21 19:36:11,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 84.89473684210526) internal successors, (1613), 19 states have internal predecessors, (1613), 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) [2021-10-21 19:36:11,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 122.0) internal successors, (2440), 20 states have internal predecessors, (2440), 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) [2021-10-21 19:36:11,127 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 122.0) internal successors, (2440), 20 states have internal predecessors, (2440), 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) [2021-10-21 19:36:11,127 INFO L186 Difference]: Start difference. First operand has 153 places, 117 transitions, 395 flow. Second operand 19 states and 1613 transitions. [2021-10-21 19:36:11,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 135 transitions, 661 flow [2021-10-21 19:36:11,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 135 transitions, 550 flow, removed 46 selfloop flow, removed 13 redundant places. [2021-10-21 19:36:11,135 INFO L242 Difference]: Finished difference. Result has 160 places, 120 transitions, 433 flow [2021-10-21 19:36:11,135 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=433, PETRI_PLACES=160, PETRI_TRANSITIONS=120} [2021-10-21 19:36:11,136 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 44 predicate places. [2021-10-21 19:36:11,136 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 120 transitions, 433 flow [2021-10-21 19:36:11,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 83.6470588235294) internal successors, (1422), 17 states have internal predecessors, (1422), 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) [2021-10-21 19:36:11,137 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:11,137 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] [2021-10-21 19:36:11,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:36:11,138 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:11,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1882822981, now seen corresponding path program 1 times [2021-10-21 19:36:11,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:11,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23942347] [2021-10-21 19:36:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:11,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:11,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:11,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23942347] [2021-10-21 19:36:11,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23942347] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:11,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:11,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:36:11,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857881050] [2021-10-21 19:36:11,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:36:11,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:11,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:36:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:36:11,275 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 122 [2021-10-21 19:36:11,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 120 transitions, 433 flow. Second operand has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 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) [2021-10-21 19:36:11,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:11,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 122 [2021-10-21 19:36:11,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:11,406 INFO L129 PetriNetUnfolder]: 35/316 cut-off events. [2021-10-21 19:36:11,406 INFO L130 PetriNetUnfolder]: For 293/411 co-relation queries the response was YES. [2021-10-21 19:36:11,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 316 events. 35/316 cut-off events. For 293/411 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1365 event pairs, 11 based on Foata normal form. 7/312 useless extension candidates. Maximal degree in co-relation 608. Up to 42 conditions per place. [2021-10-21 19:36:11,410 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 11 selfloop transitions, 4 changer transitions 9/132 dead transitions. [2021-10-21 19:36:11,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 132 transitions, 530 flow [2021-10-21 19:36:11,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:36:11,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-21 19:36:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 873 transitions. [2021-10-21 19:36:11,414 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8944672131147541 [2021-10-21 19:36:11,414 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 873 transitions. [2021-10-21 19:36:11,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 873 transitions. [2021-10-21 19:36:11,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:11,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 873 transitions. [2021-10-21 19:36:11,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 109.125) internal successors, (873), 8 states have internal predecessors, (873), 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) [2021-10-21 19:36:11,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 122.0) internal successors, (1098), 9 states have internal predecessors, (1098), 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) [2021-10-21 19:36:11,422 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 122.0) internal successors, (1098), 9 states have internal predecessors, (1098), 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) [2021-10-21 19:36:11,422 INFO L186 Difference]: Start difference. First operand has 160 places, 120 transitions, 433 flow. Second operand 8 states and 873 transitions. [2021-10-21 19:36:11,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 132 transitions, 530 flow [2021-10-21 19:36:11,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 132 transitions, 457 flow, removed 23 selfloop flow, removed 18 redundant places. [2021-10-21 19:36:11,429 INFO L242 Difference]: Finished difference. Result has 148 places, 122 transitions, 401 flow [2021-10-21 19:36:11,430 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=401, PETRI_PLACES=148, PETRI_TRANSITIONS=122} [2021-10-21 19:36:11,430 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 32 predicate places. [2021-10-21 19:36:11,430 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 122 transitions, 401 flow [2021-10-21 19:36:11,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 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) [2021-10-21 19:36:11,431 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:11,431 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] [2021-10-21 19:36:11,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:36:11,432 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:11,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:11,432 INFO L82 PathProgramCache]: Analyzing trace with hash -791720593, now seen corresponding path program 2 times [2021-10-21 19:36:11,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:11,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996351583] [2021-10-21 19:36:11,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:11,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:11,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:11,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996351583] [2021-10-21 19:36:11,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996351583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:11,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:11,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:36:11,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447280769] [2021-10-21 19:36:11,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:36:11,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:11,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:36:11,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:36:11,552 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 122 [2021-10-21 19:36:11,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 122 transitions, 401 flow. Second operand has 6 states, 6 states have (on average 109.16666666666667) internal successors, (655), 6 states have internal predecessors, (655), 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) [2021-10-21 19:36:11,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:11,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 122 [2021-10-21 19:36:11,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:11,814 INFO L129 PetriNetUnfolder]: 325/982 cut-off events. [2021-10-21 19:36:11,814 INFO L130 PetriNetUnfolder]: For 235/250 co-relation queries the response was YES. [2021-10-21 19:36:11,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1817 conditions, 982 events. 325/982 cut-off events. For 235/250 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 7017 event pairs, 4 based on Foata normal form. 35/952 useless extension candidates. Maximal degree in co-relation 1778. Up to 296 conditions per place. [2021-10-21 19:36:11,825 INFO L132 encePairwiseOnDemand]: 113/122 looper letters, 19 selfloop transitions, 16 changer transitions 0/147 dead transitions. [2021-10-21 19:36:11,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 147 transitions, 521 flow [2021-10-21 19:36:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:36:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 19:36:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1009 transitions. [2021-10-21 19:36:11,832 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.918943533697632 [2021-10-21 19:36:11,833 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1009 transitions. [2021-10-21 19:36:11,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1009 transitions. [2021-10-21 19:36:11,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:11,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1009 transitions. [2021-10-21 19:36:11,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 112.11111111111111) internal successors, (1009), 9 states have internal predecessors, (1009), 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) [2021-10-21 19:36:11,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-10-21 19:36:11,841 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-10-21 19:36:11,841 INFO L186 Difference]: Start difference. First operand has 148 places, 122 transitions, 401 flow. Second operand 9 states and 1009 transitions. [2021-10-21 19:36:11,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 147 transitions, 521 flow [2021-10-21 19:36:11,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 147 transitions, 508 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-10-21 19:36:11,847 INFO L242 Difference]: Finished difference. Result has 153 places, 136 transitions, 499 flow [2021-10-21 19:36:11,849 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=499, PETRI_PLACES=153, PETRI_TRANSITIONS=136} [2021-10-21 19:36:11,849 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 37 predicate places. [2021-10-21 19:36:11,849 INFO L470 AbstractCegarLoop]: Abstraction has has 153 places, 136 transitions, 499 flow [2021-10-21 19:36:11,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.16666666666667) internal successors, (655), 6 states have internal predecessors, (655), 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) [2021-10-21 19:36:11,850 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:11,850 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] [2021-10-21 19:36:11,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:36:11,851 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:11,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:11,852 INFO L82 PathProgramCache]: Analyzing trace with hash 565713904, now seen corresponding path program 1 times [2021-10-21 19:36:11,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:11,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513810804] [2021-10-21 19:36:11,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:11,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:11,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:11,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513810804] [2021-10-21 19:36:11,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513810804] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:11,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:11,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:36:11,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504887483] [2021-10-21 19:36:11,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:36:11,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:11,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:36:11,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:36:12,000 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 122 [2021-10-21 19:36:12,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 136 transitions, 499 flow. Second operand has 7 states, 7 states have (on average 109.14285714285714) internal successors, (764), 7 states have internal predecessors, (764), 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) [2021-10-21 19:36:12,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:12,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 122 [2021-10-21 19:36:12,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:12,321 INFO L129 PetriNetUnfolder]: 311/1004 cut-off events. [2021-10-21 19:36:12,321 INFO L130 PetriNetUnfolder]: For 1902/2428 co-relation queries the response was YES. [2021-10-21 19:36:12,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3148 conditions, 1004 events. 311/1004 cut-off events. For 1902/2428 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 7592 event pairs, 0 based on Foata normal form. 113/1054 useless extension candidates. Maximal degree in co-relation 3061. Up to 335 conditions per place. [2021-10-21 19:36:12,333 INFO L132 encePairwiseOnDemand]: 113/122 looper letters, 15 selfloop transitions, 31 changer transitions 6/164 dead transitions. [2021-10-21 19:36:12,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 164 transitions, 784 flow [2021-10-21 19:36:12,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:36:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-21 19:36:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1346 transitions. [2021-10-21 19:36:12,336 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9193989071038251 [2021-10-21 19:36:12,336 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1346 transitions. [2021-10-21 19:36:12,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1346 transitions. [2021-10-21 19:36:12,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:12,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1346 transitions. [2021-10-21 19:36:12,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 112.16666666666667) internal successors, (1346), 12 states have internal predecessors, (1346), 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) [2021-10-21 19:36:12,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 122.0) internal successors, (1586), 13 states have internal predecessors, (1586), 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) [2021-10-21 19:36:12,345 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 122.0) internal successors, (1586), 13 states have internal predecessors, (1586), 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) [2021-10-21 19:36:12,345 INFO L186 Difference]: Start difference. First operand has 153 places, 136 transitions, 499 flow. Second operand 12 states and 1346 transitions. [2021-10-21 19:36:12,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 164 transitions, 784 flow [2021-10-21 19:36:12,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 164 transitions, 782 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-21 19:36:12,357 INFO L242 Difference]: Finished difference. Result has 166 places, 155 transitions, 727 flow [2021-10-21 19:36:12,357 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=727, PETRI_PLACES=166, PETRI_TRANSITIONS=155} [2021-10-21 19:36:12,358 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 50 predicate places. [2021-10-21 19:36:12,358 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 155 transitions, 727 flow [2021-10-21 19:36:12,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.14285714285714) internal successors, (764), 7 states have internal predecessors, (764), 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) [2021-10-21 19:36:12,358 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:12,359 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] [2021-10-21 19:36:12,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:36:12,359 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:12,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:12,360 INFO L82 PathProgramCache]: Analyzing trace with hash -161472349, now seen corresponding path program 1 times [2021-10-21 19:36:12,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:12,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883924457] [2021-10-21 19:36:12,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:12,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:12,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:12,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883924457] [2021-10-21 19:36:12,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883924457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:12,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:12,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:36:12,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166100374] [2021-10-21 19:36:12,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:36:12,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:12,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:36:12,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:36:12,475 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 122 [2021-10-21 19:36:12,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 155 transitions, 727 flow. Second operand has 7 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 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) [2021-10-21 19:36:12,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:12,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 122 [2021-10-21 19:36:12,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:12,850 INFO L129 PetriNetUnfolder]: 477/1822 cut-off events. [2021-10-21 19:36:12,850 INFO L130 PetriNetUnfolder]: For 4778/5054 co-relation queries the response was YES. [2021-10-21 19:36:12,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5731 conditions, 1822 events. 477/1822 cut-off events. For 4778/5054 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 17206 event pairs, 6 based on Foata normal form. 17/1703 useless extension candidates. Maximal degree in co-relation 5638. Up to 550 conditions per place. [2021-10-21 19:36:12,874 INFO L132 encePairwiseOnDemand]: 116/122 looper letters, 17 selfloop transitions, 3 changer transitions 4/165 dead transitions. [2021-10-21 19:36:12,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 165 transitions, 809 flow [2021-10-21 19:36:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:36:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-21 19:36:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 766 transitions. [2021-10-21 19:36:12,876 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8969555035128806 [2021-10-21 19:36:12,876 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 766 transitions. [2021-10-21 19:36:12,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 766 transitions. [2021-10-21 19:36:12,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:12,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 766 transitions. [2021-10-21 19:36:12,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 109.42857142857143) internal successors, (766), 7 states have internal predecessors, (766), 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) [2021-10-21 19:36:12,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 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) [2021-10-21 19:36:12,882 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 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) [2021-10-21 19:36:12,882 INFO L186 Difference]: Start difference. First operand has 166 places, 155 transitions, 727 flow. Second operand 7 states and 766 transitions. [2021-10-21 19:36:12,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 165 transitions, 809 flow [2021-10-21 19:36:13,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 165 transitions, 695 flow, removed 44 selfloop flow, removed 6 redundant places. [2021-10-21 19:36:13,010 INFO L242 Difference]: Finished difference. Result has 171 places, 156 transitions, 635 flow [2021-10-21 19:36:13,010 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=635, PETRI_PLACES=171, PETRI_TRANSITIONS=156} [2021-10-21 19:36:13,011 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 55 predicate places. [2021-10-21 19:36:13,011 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 156 transitions, 635 flow [2021-10-21 19:36:13,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 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) [2021-10-21 19:36:13,012 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:13,012 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] [2021-10-21 19:36:13,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:36:13,012 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:13,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:13,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1170160049, now seen corresponding path program 2 times [2021-10-21 19:36:13,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:13,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070364891] [2021-10-21 19:36:13,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:13,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:13,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:13,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070364891] [2021-10-21 19:36:13,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070364891] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:13,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:13,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:36:13,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776622047] [2021-10-21 19:36:13,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:36:13,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:13,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:36:13,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:36:13,125 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 122 [2021-10-21 19:36:13,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 156 transitions, 635 flow. Second operand has 7 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 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) [2021-10-21 19:36:13,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:13,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 122 [2021-10-21 19:36:13,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:13,557 INFO L129 PetriNetUnfolder]: 607/2330 cut-off events. [2021-10-21 19:36:13,558 INFO L130 PetriNetUnfolder]: For 2310/2576 co-relation queries the response was YES. [2021-10-21 19:36:13,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5471 conditions, 2330 events. 607/2330 cut-off events. For 2310/2576 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 24065 event pairs, 7 based on Foata normal form. 23/2170 useless extension candidates. Maximal degree in co-relation 5415. Up to 324 conditions per place. [2021-10-21 19:36:13,586 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 12 selfloop transitions, 3 changer transitions 9/165 dead transitions. [2021-10-21 19:36:13,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 165 transitions, 739 flow [2021-10-21 19:36:13,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:36:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-21 19:36:13,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 870 transitions. [2021-10-21 19:36:13,592 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8913934426229508 [2021-10-21 19:36:13,592 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 870 transitions. [2021-10-21 19:36:13,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 870 transitions. [2021-10-21 19:36:13,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:13,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 870 transitions. [2021-10-21 19:36:13,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 108.75) internal successors, (870), 8 states have internal predecessors, (870), 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) [2021-10-21 19:36:13,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 122.0) internal successors, (1098), 9 states have internal predecessors, (1098), 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) [2021-10-21 19:36:13,597 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 122.0) internal successors, (1098), 9 states have internal predecessors, (1098), 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) [2021-10-21 19:36:13,598 INFO L186 Difference]: Start difference. First operand has 171 places, 156 transitions, 635 flow. Second operand 8 states and 870 transitions. [2021-10-21 19:36:13,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 165 transitions, 739 flow [2021-10-21 19:36:13,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 165 transitions, 725 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-10-21 19:36:13,659 INFO L242 Difference]: Finished difference. Result has 176 places, 156 transitions, 646 flow [2021-10-21 19:36:13,660 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=646, PETRI_PLACES=176, PETRI_TRANSITIONS=156} [2021-10-21 19:36:13,660 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 60 predicate places. [2021-10-21 19:36:13,660 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 156 transitions, 646 flow [2021-10-21 19:36:13,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 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) [2021-10-21 19:36:13,661 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:13,661 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] [2021-10-21 19:36:13,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:36:13,662 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:13,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:13,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1878020785, now seen corresponding path program 3 times [2021-10-21 19:36:13,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:13,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422167876] [2021-10-21 19:36:13,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:13,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:36:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:36:13,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:36:13,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422167876] [2021-10-21 19:36:13,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422167876] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:36:13,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:36:13,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 19:36:13,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594842458] [2021-10-21 19:36:13,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:36:13,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:36:13,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:36:13,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:36:13,798 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 122 [2021-10-21 19:36:13,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 156 transitions, 646 flow. Second operand has 8 states, 8 states have (on average 109.125) internal successors, (873), 8 states have internal predecessors, (873), 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) [2021-10-21 19:36:13,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:36:13,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 122 [2021-10-21 19:36:13,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:36:14,306 INFO L129 PetriNetUnfolder]: 497/1623 cut-off events. [2021-10-21 19:36:14,307 INFO L130 PetriNetUnfolder]: For 1805/2675 co-relation queries the response was YES. [2021-10-21 19:36:14,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4777 conditions, 1623 events. 497/1623 cut-off events. For 1805/2675 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 14835 event pairs, 0 based on Foata normal form. 226/1722 useless extension candidates. Maximal degree in co-relation 4744. Up to 308 conditions per place. [2021-10-21 19:36:14,323 INFO L132 encePairwiseOnDemand]: 113/122 looper letters, 10 selfloop transitions, 32 changer transitions 21/175 dead transitions. [2021-10-21 19:36:14,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 175 transitions, 868 flow [2021-10-21 19:36:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-21 19:36:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-10-21 19:36:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1671 transitions. [2021-10-21 19:36:14,327 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9131147540983606 [2021-10-21 19:36:14,327 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1671 transitions. [2021-10-21 19:36:14,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1671 transitions. [2021-10-21 19:36:14,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:36:14,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1671 transitions. [2021-10-21 19:36:14,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 111.4) internal successors, (1671), 15 states have internal predecessors, (1671), 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) [2021-10-21 19:36:14,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 122.0) internal successors, (1952), 16 states have internal predecessors, (1952), 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) [2021-10-21 19:36:14,336 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 122.0) internal successors, (1952), 16 states have internal predecessors, (1952), 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) [2021-10-21 19:36:14,337 INFO L186 Difference]: Start difference. First operand has 176 places, 156 transitions, 646 flow. Second operand 15 states and 1671 transitions. [2021-10-21 19:36:14,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 175 transitions, 868 flow [2021-10-21 19:36:14,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 175 transitions, 826 flow, removed 8 selfloop flow, removed 10 redundant places. [2021-10-21 19:36:14,359 INFO L242 Difference]: Finished difference. Result has 181 places, 151 transitions, 677 flow [2021-10-21 19:36:14,359 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=677, PETRI_PLACES=181, PETRI_TRANSITIONS=151} [2021-10-21 19:36:14,360 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 65 predicate places. [2021-10-21 19:36:14,360 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 151 transitions, 677 flow [2021-10-21 19:36:14,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 109.125) internal successors, (873), 8 states have internal predecessors, (873), 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) [2021-10-21 19:36:14,361 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:36:14,361 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] [2021-10-21 19:36:14,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:36:14,361 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-21 19:36:14,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:36:14,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1731410482, now seen corresponding path program 1 times [2021-10-21 19:36:14,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:36:14,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038673226] [2021-10-21 19:36:14,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:36:14,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:36:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:36:14,438 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:36:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:36:14,604 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:36:14,604 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:36:14,605 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:36:14,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-21 19:36:14,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-21 19:36:14,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-21 19:36:14,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:36:14,621 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-21 19:36:14,621 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:36:14,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:36:14 BasicIcfg [2021-10-21 19:36:14,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:36:14,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:36:14,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:36:14,879 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:36:14,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:36:03" (3/4) ... [2021-10-21 19:36:14,881 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:36:15,191 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:36:15,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:36:15,193 INFO L168 Benchmark]: Toolchain (without parser) took 14405.85 ms. Allocated memory was 90.2 MB in the beginning and 278.9 MB in the end (delta: 188.7 MB). Free memory was 68.4 MB in the beginning and 188.2 MB in the end (delta: -119.8 MB). Peak memory consumption was 129.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:36:15,193 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:36:15,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.50 ms. Allocated memory is still 90.2 MB. Free memory was 68.1 MB in the beginning and 51.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:36:15,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.13 ms. Allocated memory is still 90.2 MB. Free memory was 51.5 MB in the beginning and 49.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:36:15,195 INFO L168 Benchmark]: Boogie Preprocessor took 72.29 ms. Allocated memory is still 90.2 MB. Free memory was 49.0 MB in the beginning and 46.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:36:15,196 INFO L168 Benchmark]: RCFGBuilder took 2071.59 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 46.9 MB in the beginning and 46.2 MB in the end (delta: 726.5 kB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:36:15,196 INFO L168 Benchmark]: TraceAbstraction took 11091.75 ms. Allocated memory was 111.1 MB in the beginning and 205.5 MB in the end (delta: 94.4 MB). Free memory was 45.6 MB in the beginning and 58.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:36:15,197 INFO L168 Benchmark]: Witness Printer took 313.17 ms. Allocated memory was 205.5 MB in the beginning and 278.9 MB in the end (delta: 73.4 MB). Free memory was 58.3 MB in the beginning and 188.2 MB in the end (delta: -129.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:36:15,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 762.50 ms. Allocated memory is still 90.2 MB. Free memory was 68.1 MB in the beginning and 51.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.13 ms. Allocated memory is still 90.2 MB. Free memory was 51.5 MB in the beginning and 49.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.29 ms. Allocated memory is still 90.2 MB. Free memory was 49.0 MB in the beginning and 46.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2071.59 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 46.9 MB in the beginning and 46.2 MB in the end (delta: 726.5 kB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11091.75 ms. Allocated memory was 111.1 MB in the beginning and 205.5 MB in the end (delta: 94.4 MB). Free memory was 45.6 MB in the beginning and 58.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. * Witness Printer took 313.17 ms. Allocated memory was 205.5 MB in the beginning and 278.9 MB in the end (delta: 73.4 MB). Free memory was 58.3 MB in the beginning and 188.2 MB in the end (delta: -129.9 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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_p0_EBX = 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_p0_EBX=0] [L732] 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_p0_EBX=0, __unbuffered_p2_EAX=0] [L733] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L734] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L736] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L738] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}] [L739] 0 _Bool y$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$flush_delayed=0] [L740] 0 int y$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0] [L741] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L742] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L743] 0 _Bool y$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L744] 0 _Bool y$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, 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] [L745] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$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] [L746] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$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$r_buff1_thd1=0] [L747] 0 _Bool y$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, 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$r_buff1_thd2=0] [L748] 0 _Bool y$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, 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] [L749] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$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] [L750] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$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$read_delayed_var={0:0}] [L751] 0 int y$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, 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$w_buff0=0] [L752] 0 _Bool y$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, 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] [L753] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$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] [L754] 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$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={7:0}, y$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$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y={7:0}, 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] [L756] 0 _Bool weak$$choice1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L757] 0 _Bool weak$$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_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L834] 0 pthread_t t2109; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, 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] [L835] FCALL, FORK 0 pthread_create(&t2109, ((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_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L761] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L763] 1 y$flush_delayed = weak$$choice2 [L764] EXPR 1 \read(y) [L764] 1 y$mem_tmp = y [L765] EXPR 1 !y$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) [L765] EXPR 1 \read(y) [L765] 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$w_buff1) [L765] 1 y = !y$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) [L766] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L766] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L766] EXPR 1 weak$$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$w_buff0)) [L766] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L767] EXPR 1 weak$$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$w_buff1)) [L767] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L767] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L767] 1 y$w_buff1 = weak$$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)) [L768] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L768] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L768] EXPR 1 weak$$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)) [L768] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L769] EXPR 1 weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] EXPR 1 !y$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) [L769] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L769] 1 y$w_buff1_used = weak$$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)) [L770] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L770] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L770] EXPR 1 weak$$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)) [L770] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L771] EXPR 1 weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 1 !y$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) [L771] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L771] 1 y$r_buff1_thd1 = weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L772] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L773] 1 __unbuffered_p0_EAX$read_delayed_var = &y [L774] EXPR 1 \read(y) [L774] 1 __unbuffered_p0_EAX = y [L775] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L775] EXPR 1 \read(y) [L775] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L775] 1 y = y$flush_delayed ? y$mem_tmp : y [L776] 1 y$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={7:0}, __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_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L836] 0 pthread_t t2110; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, 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] [L837] FCALL, FORK 0 pthread_create(&t2110, ((void *)0), P1, ((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$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __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_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L838] 0 pthread_t t2111; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, 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] [L839] FCALL, FORK 0 pthread_create(&t2111, ((void *)0), P2, ((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$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __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_p0_EBX=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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=0, y={7:0}, 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] [L791] 2 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={7:0}, __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_p0_EBX=0, __unbuffered_p2_EAX=0, 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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=1, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L794] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=2, y={7:0}, 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] [L806] 3 __unbuffered_p2_EAX = x 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={7:0}, __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_p0_EBX=0, __unbuffered_p2_EAX=2, 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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=2, y={7:0}, 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] [L799] 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={7:0}, __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_p0_EBX=0, __unbuffered_p2_EAX=2, 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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L809] 3 y = 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=2, y={7:0}, 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] [L812] 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) [L812] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L812] EXPR 3 \read(y) [L812] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L812] 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) [L812] 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) [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] 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 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L816] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L816] 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 [L819] 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={7:0}, __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_p0_EBX=0, __unbuffered_p2_EAX=2, 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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L841] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=2, y={7:0}, 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] [L4] COND FALSE 0 !(!cond) 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={7:0}, __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_p0_EBX=0, __unbuffered_p2_EAX=2, 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, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L845] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L845] EXPR 0 \read(y) [L845] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L845] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L846] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L847] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L847] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L848] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L848] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L849] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L849] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L852] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L853] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L853] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L853] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L853] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L853] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L853] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L854] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=1, weak$$choice2=0, x=2, y={7:0}, 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] [L19] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __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={7:0}, __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_p0_EBX=0, __unbuffered_p2_EAX=2, 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, weak$$choice0=2, weak$$choice1=1, weak$$choice2=0, x=2, y={7:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L19] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={7:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=1, weak$$choice2=0, x=2, y={7:0}, 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] - UnprovableResult [Line: 837]: 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: 835]: 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: 839]: 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, 146 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 48.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10635.5ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5892.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 74.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 163 SDtfs, 354 SDslu, 630 SDs, 0 SdLazy, 1140 SolverSat, 211 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1051.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 32 SyntacticMatches, 6 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 2808.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=727occurred in iteration=11, InterpolantAutomatonStates: 157, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 84.5ms SsaConstructionTime, 841.6ms SatisfiabilityAnalysisTime, 3211.8ms InterpolantComputationTime, 1400 NumberOfCodeBlocks, 1400 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1287 ConstructedInterpolants, 0 QuantifiedInterpolants, 6729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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! [2021-10-21 19:36:15,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c4dac7-0e54-426b-a242-2f2405cd63d5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...