./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD --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 773055aaa90ff8ec223993b190a157a4b1c15a4828ef014894ca730726d954aa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-b2eff8b [2021-10-28 23:09:03,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:09:03,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:09:03,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:09:03,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:09:03,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:09:03,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:09:03,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:09:03,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:09:03,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:09:03,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:09:03,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:09:03,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:09:03,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:09:03,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:09:03,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:09:03,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:09:03,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:09:03,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:09:03,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:09:03,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:09:03,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:09:03,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:09:03,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:09:03,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:09:03,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:09:03,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:09:03,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:09:03,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:09:03,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:09:03,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:09:03,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:09:03,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:09:03,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:09:03,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:09:03,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:09:03,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:09:03,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:09:03,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:09:03,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:09:03,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:09:03,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:09:03,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:09:03,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:09:03,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:09:03,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:09:03,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:09:03,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:09:03,338 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:09:03,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:09:03,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:09:03,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:09:03,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:09:03,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:09:03,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:09:03,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:09:03,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:09:03,341 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:09:03,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:09:03,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:09:03,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:09:03,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:09:03,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:09:03,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:09:03,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:09:03,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:09:03,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:09:03,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:09:03,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:09:03,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:09:03,344 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:09:03,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:09:03,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:09:03,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:09:03,347 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_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 773055aaa90ff8ec223993b190a157a4b1c15a4828ef014894ca730726d954aa [2021-10-28 23:09:03,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:09:03,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:09:03,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:09:03,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:09:03,684 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:09:03,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i [2021-10-28 23:09:03,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/data/f301083bb/d70b54d6ec854192ba4dc746fdcf56bb/FLAG4c57f3acb [2021-10-28 23:09:04,448 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:09:04,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i [2021-10-28 23:09:04,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/data/f301083bb/d70b54d6ec854192ba4dc746fdcf56bb/FLAG4c57f3acb [2021-10-28 23:09:04,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/data/f301083bb/d70b54d6ec854192ba4dc746fdcf56bb [2021-10-28 23:09:04,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:09:04,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:09:04,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:09:04,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:09:04,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:09:04,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:09:04" (1/1) ... [2021-10-28 23:09:04,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4d35e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:04, skipping insertion in model container [2021-10-28 23:09:04,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:09:04" (1/1) ... [2021-10-28 23:09:04,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:09:04,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:09:05,101 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_22b2050d-a47b-44ee-a410-408d5f6096b8/sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-10-28 23:09:05,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:09:05,483 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:09:05,497 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_22b2050d-a47b-44ee-a410-408d5f6096b8/sv-benchmarks/c/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-10-28 23:09:05,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:09:05,648 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:09:05,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05 WrapperNode [2021-10-28 23:09:05,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:09:05,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:09:05,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:09:05,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:09:05,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:09:05,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:09:05,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:09:05,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:09:05,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:09:05,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:09:05,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:09:05,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:09:05,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (1/1) ... [2021-10-28 23:09:05,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:09:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:09:05,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:09:05,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:09:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:09:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-28 23:09:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:09:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:09:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-28 23:09:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-28 23:09:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-28 23:09:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-28 23:09:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-28 23:09:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-28 23:09:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-28 23:09:05,984 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-28 23:09:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:09:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-28 23:09:05,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:09:05,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:09:05,987 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 23:09:08,344 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:09:08,344 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 23:09:08,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:09:08 BoogieIcfgContainer [2021-10-28 23:09:08,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:09:08,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:09:08,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:09:08,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:09:08,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:09:04" (1/3) ... [2021-10-28 23:09:08,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222f4f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:09:08, skipping insertion in model container [2021-10-28 23:09:08,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:09:05" (2/3) ... [2021-10-28 23:09:08,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222f4f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:09:08, skipping insertion in model container [2021-10-28 23:09:08,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:09:08" (3/3) ... [2021-10-28 23:09:08,359 INFO L111 eAbstractionObserver]: Analyzing ICFG mix008_power.oepc_pso.oepc_rmo.oepc.i [2021-10-28 23:09:08,368 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 23:09:08,369 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:09:08,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-28 23:09:08,369 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 23:09:08,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,417 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,417 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,417 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,417 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,418 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,418 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,419 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,419 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,420 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,421 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,422 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,423 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,424 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,425 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,444 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,444 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,445 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,445 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,452 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,453 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,453 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,454 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,460 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,461 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,464 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,464 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,466 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,466 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,467 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,467 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,467 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,467 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,474 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,474 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,475 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,475 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,475 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,475 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,475 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,476 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,483 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,484 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,485 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,486 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,487 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,488 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,489 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,490 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,491 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,496 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,497 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,497 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,497 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,497 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,497 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,498 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,499 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,500 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,500 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,501 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,501 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,506 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,507 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,512 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,515 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,516 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,520 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,520 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,520 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,521 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,522 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,523 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,524 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,525 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,526 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,534 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,535 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,536 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,538 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,538 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:09:08,541 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-28 23:09:08,603 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:09:08,620 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 [2021-10-28 23:09:08,620 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-28 23:09:08,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 282 flow [2021-10-28 23:09:08,689 INFO L129 PetriNetUnfolder]: 2/127 cut-off events. [2021-10-28 23:09:08,689 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:09:08,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-10-28 23:09:08,694 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 282 flow [2021-10-28 23:09:08,700 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 127 transitions, 266 flow [2021-10-28 23:09:08,711 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-10-28 23:09:08,711 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:09:08,711 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:08,712 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] [2021-10-28 23:09:08,713 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:08,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:08,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1729998906, now seen corresponding path program 1 times [2021-10-28 23:09:08,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:08,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094129125] [2021-10-28 23:09:08,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:08,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:09,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:09,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094129125] [2021-10-28 23:09:09,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094129125] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:09,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:09,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:09:09,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901085686] [2021-10-28 23:09:09,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:09:09,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:09,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:09:09,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:09:09,145 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 131 [2021-10-28 23:09:09,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 127 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2021-10-28 23:09:09,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:09,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 131 [2021-10-28 23:09:09,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:09,387 INFO L129 PetriNetUnfolder]: 133/454 cut-off events. [2021-10-28 23:09:09,387 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:09:09,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 454 events. 133/454 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2301 event pairs, 29 based on Foata normal form. 53/478 useless extension candidates. Maximal degree in co-relation 619. Up to 153 conditions per place. [2021-10-28 23:09:09,398 INFO L132 encePairwiseOnDemand]: 126/131 looper letters, 11 selfloop transitions, 2 changer transitions 0/128 dead transitions. [2021-10-28 23:09:09,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 128 transitions, 294 flow [2021-10-28 23:09:09,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:09:09,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-28 23:09:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions. [2021-10-28 23:09:09,414 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9541984732824428 [2021-10-28 23:09:09,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 375 transitions. [2021-10-28 23:09:09,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 375 transitions. [2021-10-28 23:09:09,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:09,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 375 transitions. [2021-10-28 23:09:09,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2021-10-28 23:09:09,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2021-10-28 23:09:09,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2021-10-28 23:09:09,435 INFO L186 Difference]: Start difference. First operand has 138 places, 127 transitions, 266 flow. Second operand 3 states and 375 transitions. [2021-10-28 23:09:09,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 128 transitions, 294 flow [2021-10-28 23:09:09,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 128 transitions, 290 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-28 23:09:09,445 INFO L242 Difference]: Finished difference. Result has 134 places, 123 transitions, 258 flow [2021-10-28 23:09:09,448 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=134, PETRI_TRANSITIONS=123} [2021-10-28 23:09:09,449 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, -4 predicate places. [2021-10-28 23:09:09,449 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 123 transitions, 258 flow [2021-10-28 23:09:09,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2021-10-28 23:09:09,450 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:09,450 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] [2021-10-28 23:09:09,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:09:09,451 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:09,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:09,452 INFO L85 PathProgramCache]: Analyzing trace with hash -481114213, now seen corresponding path program 1 times [2021-10-28 23:09:09,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:09,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287899300] [2021-10-28 23:09:09,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:09,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:09,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:09,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287899300] [2021-10-28 23:09:09,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287899300] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:09,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:09,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:09:09,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569341039] [2021-10-28 23:09:09,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:09:09,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:09,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:09:09,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:09:09,775 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 131 [2021-10-28 23:09:09,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 123 transitions, 258 flow. Second operand has 6 states, 6 states have (on average 109.0) internal successors, (654), 6 states have internal predecessors, (654), 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) [2021-10-28 23:09:09,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:09,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 131 [2021-10-28 23:09:09,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:11,962 INFO L129 PetriNetUnfolder]: 3111/8466 cut-off events. [2021-10-28 23:09:11,962 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:09:12,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12988 conditions, 8466 events. 3111/8466 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 86832 event pairs, 718 based on Foata normal form. 0/8249 useless extension candidates. Maximal degree in co-relation 12930. Up to 1769 conditions per place. [2021-10-28 23:09:12,058 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 19 selfloop transitions, 13 changer transitions 70/193 dead transitions. [2021-10-28 23:09:12,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 193 transitions, 580 flow [2021-10-28 23:09:12,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:09:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 23:09:12,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1056 transitions. [2021-10-28 23:09:12,067 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8956743002544529 [2021-10-28 23:09:12,067 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1056 transitions. [2021-10-28 23:09:12,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1056 transitions. [2021-10-28 23:09:12,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:12,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1056 transitions. [2021-10-28 23:09:12,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 117.33333333333333) internal successors, (1056), 9 states have internal predecessors, (1056), 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) [2021-10-28 23:09:12,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:09:12,082 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:09:12,082 INFO L186 Difference]: Start difference. First operand has 134 places, 123 transitions, 258 flow. Second operand 9 states and 1056 transitions. [2021-10-28 23:09:12,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 193 transitions, 580 flow [2021-10-28 23:09:12,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 193 transitions, 576 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 23:09:12,095 INFO L242 Difference]: Finished difference. Result has 148 places, 119 transitions, 376 flow [2021-10-28 23:09:12,096 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=376, PETRI_PLACES=148, PETRI_TRANSITIONS=119} [2021-10-28 23:09:12,097 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 10 predicate places. [2021-10-28 23:09:12,097 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 119 transitions, 376 flow [2021-10-28 23:09:12,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.0) internal successors, (654), 6 states have internal predecessors, (654), 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) [2021-10-28 23:09:12,098 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:12,098 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] [2021-10-28 23:09:12,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:09:12,099 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:12,100 INFO L85 PathProgramCache]: Analyzing trace with hash -124978180, now seen corresponding path program 1 times [2021-10-28 23:09:12,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:12,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484739078] [2021-10-28 23:09:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:12,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:12,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:12,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484739078] [2021-10-28 23:09:12,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484739078] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:12,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:12,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:09:12,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422535361] [2021-10-28 23:09:12,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:09:12,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:12,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:09:12,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:09:12,450 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 131 [2021-10-28 23:09:12,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 119 transitions, 376 flow. Second operand has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 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) [2021-10-28 23:09:12,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:12,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 131 [2021-10-28 23:09:12,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:14,012 INFO L129 PetriNetUnfolder]: 2129/4712 cut-off events. [2021-10-28 23:09:14,013 INFO L130 PetriNetUnfolder]: For 9795/14737 co-relation queries the response was YES. [2021-10-28 23:09:14,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16136 conditions, 4712 events. 2129/4712 cut-off events. For 9795/14737 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 39196 event pairs, 258 based on Foata normal form. 110/4747 useless extension candidates. Maximal degree in co-relation 16062. Up to 1726 conditions per place. [2021-10-28 23:09:14,088 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 26 selfloop transitions, 18 changer transitions 91/226 dead transitions. [2021-10-28 23:09:14,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 226 transitions, 1450 flow [2021-10-28 23:09:14,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:09:14,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 23:09:14,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1508 transitions. [2021-10-28 23:09:14,094 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8854961832061069 [2021-10-28 23:09:14,095 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1508 transitions. [2021-10-28 23:09:14,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1508 transitions. [2021-10-28 23:09:14,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:14,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1508 transitions. [2021-10-28 23:09:14,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 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) [2021-10-28 23:09:14,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:14,110 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:14,110 INFO L186 Difference]: Start difference. First operand has 148 places, 119 transitions, 376 flow. Second operand 13 states and 1508 transitions. [2021-10-28 23:09:14,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 226 transitions, 1450 flow [2021-10-28 23:09:14,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 226 transitions, 1328 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-28 23:09:14,136 INFO L242 Difference]: Finished difference. Result has 152 places, 127 transitions, 534 flow [2021-10-28 23:09:14,136 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=534, PETRI_PLACES=152, PETRI_TRANSITIONS=127} [2021-10-28 23:09:14,136 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 14 predicate places. [2021-10-28 23:09:14,137 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 127 transitions, 534 flow [2021-10-28 23:09:14,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 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) [2021-10-28 23:09:14,138 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:14,138 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] [2021-10-28 23:09:14,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:09:14,138 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:14,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:14,139 INFO L85 PathProgramCache]: Analyzing trace with hash 51347996, now seen corresponding path program 1 times [2021-10-28 23:09:14,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:14,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853951475] [2021-10-28 23:09:14,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:14,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:14,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:14,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853951475] [2021-10-28 23:09:14,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853951475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:14,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:14,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:09:14,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172988445] [2021-10-28 23:09:14,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:09:14,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:14,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:09:14,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:09:14,316 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 131 [2021-10-28 23:09:14,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 127 transitions, 534 flow. Second operand has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 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) [2021-10-28 23:09:14,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:14,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 131 [2021-10-28 23:09:14,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:15,726 INFO L129 PetriNetUnfolder]: 1717/4093 cut-off events. [2021-10-28 23:09:15,726 INFO L130 PetriNetUnfolder]: For 17027/22886 co-relation queries the response was YES. [2021-10-28 23:09:15,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16213 conditions, 4093 events. 1717/4093 cut-off events. For 17027/22886 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 34610 event pairs, 326 based on Foata normal form. 100/4130 useless extension candidates. Maximal degree in co-relation 16121. Up to 1390 conditions per place. [2021-10-28 23:09:15,824 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 28 selfloop transitions, 24 changer transitions 70/213 dead transitions. [2021-10-28 23:09:15,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 213 transitions, 1602 flow [2021-10-28 23:09:15,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:09:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 23:09:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1503 transitions. [2021-10-28 23:09:15,832 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8825601879036994 [2021-10-28 23:09:15,833 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1503 transitions. [2021-10-28 23:09:15,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1503 transitions. [2021-10-28 23:09:15,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:15,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1503 transitions. [2021-10-28 23:09:15,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 115.61538461538461) internal successors, (1503), 13 states have internal predecessors, (1503), 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) [2021-10-28 23:09:15,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:15,850 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:15,850 INFO L186 Difference]: Start difference. First operand has 152 places, 127 transitions, 534 flow. Second operand 13 states and 1503 transitions. [2021-10-28 23:09:15,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 213 transitions, 1602 flow [2021-10-28 23:09:15,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 213 transitions, 1554 flow, removed 24 selfloop flow, removed 0 redundant places. [2021-10-28 23:09:15,938 INFO L242 Difference]: Finished difference. Result has 166 places, 134 transitions, 703 flow [2021-10-28 23:09:15,939 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=703, PETRI_PLACES=166, PETRI_TRANSITIONS=134} [2021-10-28 23:09:15,939 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 28 predicate places. [2021-10-28 23:09:15,939 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 134 transitions, 703 flow [2021-10-28 23:09:15,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 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) [2021-10-28 23:09:15,940 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:15,941 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] [2021-10-28 23:09:15,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:09:15,941 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:15,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:15,942 INFO L85 PathProgramCache]: Analyzing trace with hash 354229019, now seen corresponding path program 1 times [2021-10-28 23:09:15,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:15,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130860242] [2021-10-28 23:09:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:15,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:16,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:16,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130860242] [2021-10-28 23:09:16,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130860242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:16,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:16,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:09:16,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566038240] [2021-10-28 23:09:16,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:09:16,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:16,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:09:16,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:09:16,266 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 131 [2021-10-28 23:09:16,267 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 134 transitions, 703 flow. Second operand has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2021-10-28 23:09:16,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:16,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 131 [2021-10-28 23:09:16,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:17,553 INFO L129 PetriNetUnfolder]: 1270/3271 cut-off events. [2021-10-28 23:09:17,553 INFO L130 PetriNetUnfolder]: For 19351/26353 co-relation queries the response was YES. [2021-10-28 23:09:17,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14338 conditions, 3271 events. 1270/3271 cut-off events. For 19351/26353 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 27069 event pairs, 85 based on Foata normal form. 74/3290 useless extension candidates. Maximal degree in co-relation 14227. Up to 1026 conditions per place. [2021-10-28 23:09:17,617 INFO L132 encePairwiseOnDemand]: 116/131 looper letters, 45 selfloop transitions, 21 changer transitions 76/233 dead transitions. [2021-10-28 23:09:17,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 233 transitions, 2166 flow [2021-10-28 23:09:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:09:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 23:09:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1492 transitions. [2021-10-28 23:09:17,624 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8761009982384028 [2021-10-28 23:09:17,624 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1492 transitions. [2021-10-28 23:09:17,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1492 transitions. [2021-10-28 23:09:17,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:17,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1492 transitions. [2021-10-28 23:09:17,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.76923076923077) internal successors, (1492), 13 states have internal predecessors, (1492), 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) [2021-10-28 23:09:17,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:17,637 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:17,637 INFO L186 Difference]: Start difference. First operand has 166 places, 134 transitions, 703 flow. Second operand 13 states and 1492 transitions. [2021-10-28 23:09:17,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 233 transitions, 2166 flow [2021-10-28 23:09:17,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 233 transitions, 1986 flow, removed 90 selfloop flow, removed 15 redundant places. [2021-10-28 23:09:17,730 INFO L242 Difference]: Finished difference. Result has 166 places, 145 transitions, 899 flow [2021-10-28 23:09:17,731 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=899, PETRI_PLACES=166, PETRI_TRANSITIONS=145} [2021-10-28 23:09:17,731 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 28 predicate places. [2021-10-28 23:09:17,731 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 145 transitions, 899 flow [2021-10-28 23:09:17,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2021-10-28 23:09:17,732 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:17,733 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] [2021-10-28 23:09:17,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:09:17,735 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:17,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:17,736 INFO L85 PathProgramCache]: Analyzing trace with hash -809023990, now seen corresponding path program 1 times [2021-10-28 23:09:17,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:17,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553720194] [2021-10-28 23:09:17,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:17,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:17,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:17,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:17,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553720194] [2021-10-28 23:09:17,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553720194] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:17,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:17,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:09:17,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693381633] [2021-10-28 23:09:17,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:09:17,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:17,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:09:17,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:09:17,898 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 131 [2021-10-28 23:09:17,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 145 transitions, 899 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) [2021-10-28 23:09:17,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:17,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 131 [2021-10-28 23:09:17,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:19,001 INFO L129 PetriNetUnfolder]: 981/2997 cut-off events. [2021-10-28 23:09:19,001 INFO L130 PetriNetUnfolder]: For 18222/28067 co-relation queries the response was YES. [2021-10-28 23:09:19,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13132 conditions, 2997 events. 981/2997 cut-off events. For 18222/28067 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 26625 event pairs, 201 based on Foata normal form. 60/3013 useless extension candidates. Maximal degree in co-relation 13018. Up to 879 conditions per place. [2021-10-28 23:09:19,060 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 32 selfloop transitions, 37 changer transitions 63/223 dead transitions. [2021-10-28 23:09:19,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 223 transitions, 2166 flow [2021-10-28 23:09:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:09:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 23:09:19,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1482 transitions. [2021-10-28 23:09:19,068 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8702290076335878 [2021-10-28 23:09:19,068 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1482 transitions. [2021-10-28 23:09:19,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1482 transitions. [2021-10-28 23:09:19,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:19,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1482 transitions. [2021-10-28 23:09:19,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.0) internal successors, (1482), 13 states have internal predecessors, (1482), 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) [2021-10-28 23:09:19,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:19,082 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:19,082 INFO L186 Difference]: Start difference. First operand has 166 places, 145 transitions, 899 flow. Second operand 13 states and 1482 transitions. [2021-10-28 23:09:19,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 223 transitions, 2166 flow [2021-10-28 23:09:19,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 223 transitions, 2055 flow, removed 52 selfloop flow, removed 4 redundant places. [2021-10-28 23:09:19,157 INFO L242 Difference]: Finished difference. Result has 177 places, 149 transitions, 1125 flow [2021-10-28 23:09:19,158 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1125, PETRI_PLACES=177, PETRI_TRANSITIONS=149} [2021-10-28 23:09:19,158 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 39 predicate places. [2021-10-28 23:09:19,158 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 149 transitions, 1125 flow [2021-10-28 23:09:19,159 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) [2021-10-28 23:09:19,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:19,159 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] [2021-10-28 23:09:19,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:09:19,160 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:19,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:19,162 INFO L85 PathProgramCache]: Analyzing trace with hash 407023040, now seen corresponding path program 1 times [2021-10-28 23:09:19,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:19,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934484957] [2021-10-28 23:09:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:19,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:19,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:19,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934484957] [2021-10-28 23:09:19,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934484957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:19,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:19,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:09:19,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068978549] [2021-10-28 23:09:19,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:09:19,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:19,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:09:19,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:09:19,375 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 131 [2021-10-28 23:09:19,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 149 transitions, 1125 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) [2021-10-28 23:09:19,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:19,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 131 [2021-10-28 23:09:19,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:20,436 INFO L129 PetriNetUnfolder]: 921/2771 cut-off events. [2021-10-28 23:09:20,436 INFO L130 PetriNetUnfolder]: For 25363/33760 co-relation queries the response was YES. [2021-10-28 23:09:20,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13884 conditions, 2771 events. 921/2771 cut-off events. For 25363/33760 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 23736 event pairs, 90 based on Foata normal form. 73/2811 useless extension candidates. Maximal degree in co-relation 13767. Up to 785 conditions per place. [2021-10-28 23:09:20,491 INFO L132 encePairwiseOnDemand]: 119/131 looper letters, 58 selfloop transitions, 18 changer transitions 86/253 dead transitions. [2021-10-28 23:09:20,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 253 transitions, 3177 flow [2021-10-28 23:09:20,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:09:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 23:09:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1481 transitions. [2021-10-28 23:09:20,499 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8696418085731062 [2021-10-28 23:09:20,499 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1481 transitions. [2021-10-28 23:09:20,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1481 transitions. [2021-10-28 23:09:20,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:20,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1481 transitions. [2021-10-28 23:09:20,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 113.92307692307692) internal successors, (1481), 13 states have internal predecessors, (1481), 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) [2021-10-28 23:09:20,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:20,522 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:20,522 INFO L186 Difference]: Start difference. First operand has 177 places, 149 transitions, 1125 flow. Second operand 13 states and 1481 transitions. [2021-10-28 23:09:20,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 253 transitions, 3177 flow [2021-10-28 23:09:20,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 253 transitions, 3103 flow, removed 37 selfloop flow, removed 10 redundant places. [2021-10-28 23:09:20,601 INFO L242 Difference]: Finished difference. Result has 182 places, 158 transitions, 1399 flow [2021-10-28 23:09:20,601 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1399, PETRI_PLACES=182, PETRI_TRANSITIONS=158} [2021-10-28 23:09:20,602 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 44 predicate places. [2021-10-28 23:09:20,602 INFO L470 AbstractCegarLoop]: Abstraction has has 182 places, 158 transitions, 1399 flow [2021-10-28 23:09:20,603 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) [2021-10-28 23:09:20,603 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:20,603 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] [2021-10-28 23:09:20,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:09:20,604 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:20,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:20,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1178450826, now seen corresponding path program 1 times [2021-10-28 23:09:20,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:20,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753734986] [2021-10-28 23:09:20,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:20,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:20,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:20,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:20,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753734986] [2021-10-28 23:09:20,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753734986] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:20,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:20,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:09:20,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442119085] [2021-10-28 23:09:20,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:09:20,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:20,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:09:20,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:09:20,757 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 131 [2021-10-28 23:09:20,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 158 transitions, 1399 flow. Second operand has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 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) [2021-10-28 23:09:20,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:20,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 131 [2021-10-28 23:09:20,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:22,919 INFO L129 PetriNetUnfolder]: 4603/10175 cut-off events. [2021-10-28 23:09:22,919 INFO L130 PetriNetUnfolder]: For 20128/23727 co-relation queries the response was YES. [2021-10-28 23:09:23,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24089 conditions, 10175 events. 4603/10175 cut-off events. For 20128/23727 co-relation queries the response was YES. Maximal size of possible extension queue 1385. Compared 109224 event pairs, 733 based on Foata normal form. 187/9182 useless extension candidates. Maximal degree in co-relation 23958. Up to 3000 conditions per place. [2021-10-28 23:09:23,148 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 29 selfloop transitions, 20 changer transitions 0/195 dead transitions. [2021-10-28 23:09:23,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 195 transitions, 1571 flow [2021-10-28 23:09:23,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:09:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-28 23:09:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1211 transitions. [2021-10-28 23:09:23,153 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9244274809160306 [2021-10-28 23:09:23,154 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1211 transitions. [2021-10-28 23:09:23,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1211 transitions. [2021-10-28 23:09:23,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:23,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1211 transitions. [2021-10-28 23:09:23,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 121.1) internal successors, (1211), 10 states have internal predecessors, (1211), 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) [2021-10-28 23:09:23,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:09:23,165 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:09:23,166 INFO L186 Difference]: Start difference. First operand has 182 places, 158 transitions, 1399 flow. Second operand 10 states and 1211 transitions. [2021-10-28 23:09:23,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 195 transitions, 1571 flow [2021-10-28 23:09:23,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 195 transitions, 1541 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-10-28 23:09:23,262 INFO L242 Difference]: Finished difference. Result has 182 places, 176 transitions, 1512 flow [2021-10-28 23:09:23,263 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1369, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1512, PETRI_PLACES=182, PETRI_TRANSITIONS=176} [2021-10-28 23:09:23,263 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 44 predicate places. [2021-10-28 23:09:23,263 INFO L470 AbstractCegarLoop]: Abstraction has has 182 places, 176 transitions, 1512 flow [2021-10-28 23:09:23,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 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) [2021-10-28 23:09:23,264 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:23,264 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] [2021-10-28 23:09:23,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:09:23,265 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:23,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:23,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2112305890, now seen corresponding path program 1 times [2021-10-28 23:09:23,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:23,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905393668] [2021-10-28 23:09:23,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:23,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:23,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:23,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905393668] [2021-10-28 23:09:23,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905393668] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:23,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:23,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:09:23,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408205040] [2021-10-28 23:09:23,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:09:23,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:23,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:09:23,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:09:23,466 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 131 [2021-10-28 23:09:23,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 176 transitions, 1512 flow. Second operand has 7 states, 7 states have (on average 109.28571428571429) internal successors, (765), 7 states have internal predecessors, (765), 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) [2021-10-28 23:09:23,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:23,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 131 [2021-10-28 23:09:23,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:25,316 INFO L129 PetriNetUnfolder]: 2613/9500 cut-off events. [2021-10-28 23:09:25,317 INFO L130 PetriNetUnfolder]: For 39939/52496 co-relation queries the response was YES. [2021-10-28 23:09:25,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32674 conditions, 9500 events. 2613/9500 cut-off events. For 39939/52496 co-relation queries the response was YES. Maximal size of possible extension queue 835. Compared 118502 event pairs, 915 based on Foata normal form. 383/9115 useless extension candidates. Maximal degree in co-relation 32535. Up to 2861 conditions per place. [2021-10-28 23:09:25,496 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 59 selfloop transitions, 57 changer transitions 16/241 dead transitions. [2021-10-28 23:09:25,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 241 transitions, 2793 flow [2021-10-28 23:09:25,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:09:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 23:09:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1472 transitions. [2021-10-28 23:09:25,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8643570170287728 [2021-10-28 23:09:25,502 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1472 transitions. [2021-10-28 23:09:25,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1472 transitions. [2021-10-28 23:09:25,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:25,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1472 transitions. [2021-10-28 23:09:25,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 113.23076923076923) internal successors, (1472), 13 states have internal predecessors, (1472), 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) [2021-10-28 23:09:25,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:25,514 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:25,514 INFO L186 Difference]: Start difference. First operand has 182 places, 176 transitions, 1512 flow. Second operand 13 states and 1472 transitions. [2021-10-28 23:09:25,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 241 transitions, 2793 flow [2021-10-28 23:09:25,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 241 transitions, 2761 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-10-28 23:09:25,723 INFO L242 Difference]: Finished difference. Result has 197 places, 197 transitions, 2088 flow [2021-10-28 23:09:25,723 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1486, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2088, PETRI_PLACES=197, PETRI_TRANSITIONS=197} [2021-10-28 23:09:25,724 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 59 predicate places. [2021-10-28 23:09:25,724 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 197 transitions, 2088 flow [2021-10-28 23:09:25,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.28571428571429) internal successors, (765), 7 states have internal predecessors, (765), 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) [2021-10-28 23:09:25,725 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:25,725 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] [2021-10-28 23:09:25,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:09:25,726 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:25,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:25,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1672332084, now seen corresponding path program 1 times [2021-10-28 23:09:25,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:25,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016183701] [2021-10-28 23:09:25,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:25,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:25,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:25,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016183701] [2021-10-28 23:09:25,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016183701] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:25,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:25,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:09:25,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970117221] [2021-10-28 23:09:25,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:09:25,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:25,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:09:25,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:09:25,896 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 131 [2021-10-28 23:09:25,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 197 transitions, 2088 flow. Second operand has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 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) [2021-10-28 23:09:25,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:25,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 131 [2021-10-28 23:09:25,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:28,471 INFO L129 PetriNetUnfolder]: 6440/14556 cut-off events. [2021-10-28 23:09:28,472 INFO L130 PetriNetUnfolder]: For 47883/59551 co-relation queries the response was YES. [2021-10-28 23:09:29,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55455 conditions, 14556 events. 6440/14556 cut-off events. For 47883/59551 co-relation queries the response was YES. Maximal size of possible extension queue 1901. Compared 168094 event pairs, 172 based on Foata normal form. 1697/14977 useless extension candidates. Maximal degree in co-relation 55312. Up to 6757 conditions per place. [2021-10-28 23:09:29,128 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 34 selfloop transitions, 38 changer transitions 6/239 dead transitions. [2021-10-28 23:09:29,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 239 transitions, 2512 flow [2021-10-28 23:09:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:09:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-28 23:09:29,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1576 transitions. [2021-10-28 23:09:29,138 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9254257193188491 [2021-10-28 23:09:29,138 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1576 transitions. [2021-10-28 23:09:29,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1576 transitions. [2021-10-28 23:09:29,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:29,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1576 transitions. [2021-10-28 23:09:29,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 121.23076923076923) internal successors, (1576), 13 states have internal predecessors, (1576), 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) [2021-10-28 23:09:29,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:29,382 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 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) [2021-10-28 23:09:29,382 INFO L186 Difference]: Start difference. First operand has 197 places, 197 transitions, 2088 flow. Second operand 13 states and 1576 transitions. [2021-10-28 23:09:29,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 239 transitions, 2512 flow [2021-10-28 23:09:29,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 239 transitions, 2404 flow, removed 54 selfloop flow, removed 0 redundant places. [2021-10-28 23:09:29,787 INFO L242 Difference]: Finished difference. Result has 215 places, 211 transitions, 2135 flow [2021-10-28 23:09:29,789 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1980, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2135, PETRI_PLACES=215, PETRI_TRANSITIONS=211} [2021-10-28 23:09:29,789 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 77 predicate places. [2021-10-28 23:09:29,789 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 211 transitions, 2135 flow [2021-10-28 23:09:29,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 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) [2021-10-28 23:09:29,790 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:29,790 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] [2021-10-28 23:09:29,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:09:29,791 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:29,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:29,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1286603426, now seen corresponding path program 1 times [2021-10-28 23:09:29,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:29,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120058128] [2021-10-28 23:09:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:29,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:29,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:29,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120058128] [2021-10-28 23:09:29,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120058128] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:29,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:29,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:09:29,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395422858] [2021-10-28 23:09:29,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:09:29,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:29,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:09:29,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:09:29,951 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 131 [2021-10-28 23:09:29,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 211 transitions, 2135 flow. Second operand has 7 states, 7 states have (on average 107.85714285714286) internal successors, (755), 7 states have internal predecessors, (755), 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) [2021-10-28 23:09:29,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:29,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 131 [2021-10-28 23:09:29,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:33,174 INFO L129 PetriNetUnfolder]: 3746/13482 cut-off events. [2021-10-28 23:09:33,174 INFO L130 PetriNetUnfolder]: For 71078/81712 co-relation queries the response was YES. [2021-10-28 23:09:33,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55413 conditions, 13482 events. 3746/13482 cut-off events. For 71078/81712 co-relation queries the response was YES. Maximal size of possible extension queue 1614. Compared 183184 event pairs, 272 based on Foata normal form. 317/12836 useless extension candidates. Maximal degree in co-relation 55255. Up to 4454 conditions per place. [2021-10-28 23:09:33,429 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 67 selfloop transitions, 96 changer transitions 24/314 dead transitions. [2021-10-28 23:09:33,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 314 transitions, 4253 flow [2021-10-28 23:09:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:09:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-28 23:09:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1235 transitions. [2021-10-28 23:09:33,433 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8570437196391395 [2021-10-28 23:09:33,433 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1235 transitions. [2021-10-28 23:09:33,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1235 transitions. [2021-10-28 23:09:33,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:33,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1235 transitions. [2021-10-28 23:09:33,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 112.27272727272727) internal successors, (1235), 11 states have internal predecessors, (1235), 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) [2021-10-28 23:09:33,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:09:33,443 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:09:33,443 INFO L186 Difference]: Start difference. First operand has 215 places, 211 transitions, 2135 flow. Second operand 11 states and 1235 transitions. [2021-10-28 23:09:33,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 314 transitions, 4253 flow [2021-10-28 23:09:35,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 314 transitions, 4128 flow, removed 53 selfloop flow, removed 7 redundant places. [2021-10-28 23:09:35,989 INFO L242 Difference]: Finished difference. Result has 227 places, 267 transitions, 3416 flow [2021-10-28 23:09:35,990 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=2024, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3416, PETRI_PLACES=227, PETRI_TRANSITIONS=267} [2021-10-28 23:09:35,990 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 89 predicate places. [2021-10-28 23:09:35,990 INFO L470 AbstractCegarLoop]: Abstraction has has 227 places, 267 transitions, 3416 flow [2021-10-28 23:09:35,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.85714285714286) internal successors, (755), 7 states have internal predecessors, (755), 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) [2021-10-28 23:09:35,991 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:35,991 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] [2021-10-28 23:09:35,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:09:35,992 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:35,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:35,992 INFO L85 PathProgramCache]: Analyzing trace with hash 269891634, now seen corresponding path program 2 times [2021-10-28 23:09:35,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:35,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879203610] [2021-10-28 23:09:35,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:35,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:36,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:36,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879203610] [2021-10-28 23:09:36,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879203610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:36,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:36,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 23:09:36,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457381342] [2021-10-28 23:09:36,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:09:36,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:36,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:09:36,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:09:36,138 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 131 [2021-10-28 23:09:36,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 267 transitions, 3416 flow. Second operand has 8 states, 8 states have (on average 117.125) internal successors, (937), 8 states have internal predecessors, (937), 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) [2021-10-28 23:09:36,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:36,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 131 [2021-10-28 23:09:36,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:40,907 INFO L129 PetriNetUnfolder]: 8099/17909 cut-off events. [2021-10-28 23:09:40,907 INFO L130 PetriNetUnfolder]: For 121903/146972 co-relation queries the response was YES. [2021-10-28 23:09:41,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83206 conditions, 17909 events. 8099/17909 cut-off events. For 121903/146972 co-relation queries the response was YES. Maximal size of possible extension queue 2512. Compared 213204 event pairs, 30 based on Foata normal form. 3124/19392 useless extension candidates. Maximal degree in co-relation 83042. Up to 6111 conditions per place. [2021-10-28 23:09:41,270 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 28 selfloop transitions, 58 changer transitions 55/309 dead transitions. [2021-10-28 23:09:41,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 309 transitions, 3969 flow [2021-10-28 23:09:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-28 23:09:41,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-28 23:09:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1941 transitions. [2021-10-28 23:09:41,275 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9260496183206107 [2021-10-28 23:09:41,275 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1941 transitions. [2021-10-28 23:09:41,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1941 transitions. [2021-10-28 23:09:41,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:41,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1941 transitions. [2021-10-28 23:09:41,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 121.3125) internal successors, (1941), 16 states have internal predecessors, (1941), 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) [2021-10-28 23:09:41,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:09:41,289 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 131.0) internal successors, (2227), 17 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:09:41,290 INFO L186 Difference]: Start difference. First operand has 227 places, 267 transitions, 3416 flow. Second operand 16 states and 1941 transitions. [2021-10-28 23:09:41,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 309 transitions, 3969 flow [2021-10-28 23:09:43,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 309 transitions, 3796 flow, removed 48 selfloop flow, removed 1 redundant places. [2021-10-28 23:09:43,570 INFO L242 Difference]: Finished difference. Result has 245 places, 244 transitions, 2861 flow [2021-10-28 23:09:43,571 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=3102, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2861, PETRI_PLACES=245, PETRI_TRANSITIONS=244} [2021-10-28 23:09:43,571 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 107 predicate places. [2021-10-28 23:09:43,571 INFO L470 AbstractCegarLoop]: Abstraction has has 245 places, 244 transitions, 2861 flow [2021-10-28 23:09:43,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 117.125) internal successors, (937), 8 states have internal predecessors, (937), 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) [2021-10-28 23:09:43,572 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:43,572 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] [2021-10-28 23:09:43,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:09:43,572 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1976205508, now seen corresponding path program 1 times [2021-10-28 23:09:43,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:43,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700118366] [2021-10-28 23:09:43,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:43,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:43,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:43,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700118366] [2021-10-28 23:09:43,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700118366] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:43,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:43,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 23:09:43,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258236823] [2021-10-28 23:09:43,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-28 23:09:43,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:43,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:09:43,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:09:43,750 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 131 [2021-10-28 23:09:43,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 244 transitions, 2861 flow. Second operand has 9 states, 9 states have (on average 117.11111111111111) internal successors, (1054), 9 states have internal predecessors, (1054), 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) [2021-10-28 23:09:43,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:43,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 131 [2021-10-28 23:09:43,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:09:47,588 INFO L129 PetriNetUnfolder]: 6577/15107 cut-off events. [2021-10-28 23:09:47,588 INFO L130 PetriNetUnfolder]: For 122183/142470 co-relation queries the response was YES. [2021-10-28 23:09:47,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79011 conditions, 15107 events. 6577/15107 cut-off events. For 122183/142470 co-relation queries the response was YES. Maximal size of possible extension queue 2302. Compared 183097 event pairs, 18 based on Foata normal form. 2459/16066 useless extension candidates. Maximal degree in co-relation 78939. Up to 4777 conditions per place. [2021-10-28 23:09:47,914 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 22 selfloop transitions, 63 changer transitions 40/279 dead transitions. [2021-10-28 23:09:47,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 279 transitions, 3394 flow [2021-10-28 23:09:47,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-28 23:09:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-28 23:09:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2286 transitions. [2021-10-28 23:09:47,920 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9184411410204901 [2021-10-28 23:09:47,921 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2286 transitions. [2021-10-28 23:09:47,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2286 transitions. [2021-10-28 23:09:47,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:09:47,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2286 transitions. [2021-10-28 23:09:47,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 120.3157894736842) internal successors, (2286), 19 states have internal predecessors, (2286), 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) [2021-10-28 23:09:47,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 131.0) internal successors, (2620), 20 states have internal predecessors, (2620), 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) [2021-10-28 23:09:47,937 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 131.0) internal successors, (2620), 20 states have internal predecessors, (2620), 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) [2021-10-28 23:09:47,937 INFO L186 Difference]: Start difference. First operand has 245 places, 244 transitions, 2861 flow. Second operand 19 states and 2286 transitions. [2021-10-28 23:09:47,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 279 transitions, 3394 flow [2021-10-28 23:09:57,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 279 transitions, 2881 flow, removed 202 selfloop flow, removed 35 redundant places. [2021-10-28 23:09:57,823 INFO L242 Difference]: Finished difference. Result has 220 places, 229 transitions, 2282 flow [2021-10-28 23:09:57,824 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=2420, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2282, PETRI_PLACES=220, PETRI_TRANSITIONS=229} [2021-10-28 23:09:57,824 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 82 predicate places. [2021-10-28 23:09:57,824 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 229 transitions, 2282 flow [2021-10-28 23:09:57,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 117.11111111111111) internal successors, (1054), 9 states have internal predecessors, (1054), 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) [2021-10-28 23:09:57,825 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:09:57,826 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:09:57,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:09:57,826 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:09:57,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:09:57,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1098804909, now seen corresponding path program 1 times [2021-10-28 23:09:57,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:09:57,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826639126] [2021-10-28 23:09:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:09:57,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:09:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:09:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:09:58,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:09:58,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826639126] [2021-10-28 23:09:58,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826639126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:09:58,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:09:58,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-28 23:09:58,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574176621] [2021-10-28 23:09:58,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 23:09:58,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:09:58,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:09:58,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:09:58,219 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 131 [2021-10-28 23:09:58,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 229 transitions, 2282 flow. Second operand has 13 states, 13 states have (on average 103.84615384615384) internal successors, (1350), 13 states have internal predecessors, (1350), 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) [2021-10-28 23:09:58,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:09:58,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 131 [2021-10-28 23:09:58,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:10:02,279 INFO L129 PetriNetUnfolder]: 7047/22638 cut-off events. [2021-10-28 23:10:02,280 INFO L130 PetriNetUnfolder]: For 54994/56697 co-relation queries the response was YES. [2021-10-28 23:10:02,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75789 conditions, 22638 events. 7047/22638 cut-off events. For 54994/56697 co-relation queries the response was YES. Maximal size of possible extension queue 2816. Compared 332433 event pairs, 139 based on Foata normal form. 7/21294 useless extension candidates. Maximal degree in co-relation 75631. Up to 2408 conditions per place. [2021-10-28 23:10:02,646 INFO L132 encePairwiseOnDemand]: 120/131 looper letters, 36 selfloop transitions, 13 changer transitions 6/254 dead transitions. [2021-10-28 23:10:02,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 254 transitions, 2638 flow [2021-10-28 23:10:02,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 23:10:02,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-28 23:10:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1265 transitions. [2021-10-28 23:10:02,649 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.80470737913486 [2021-10-28 23:10:02,649 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1265 transitions. [2021-10-28 23:10:02,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1265 transitions. [2021-10-28 23:10:02,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:10:02,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1265 transitions. [2021-10-28 23:10:02,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 105.41666666666667) internal successors, (1265), 12 states have internal predecessors, (1265), 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) [2021-10-28 23:10:02,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 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) [2021-10-28 23:10:02,657 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 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) [2021-10-28 23:10:02,657 INFO L186 Difference]: Start difference. First operand has 220 places, 229 transitions, 2282 flow. Second operand 12 states and 1265 transitions. [2021-10-28 23:10:02,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 254 transitions, 2638 flow [2021-10-28 23:10:10,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 254 transitions, 2327 flow, removed 39 selfloop flow, removed 21 redundant places. [2021-10-28 23:10:10,208 INFO L242 Difference]: Finished difference. Result has 212 places, 236 transitions, 2178 flow [2021-10-28 23:10:10,208 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=1995, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2178, PETRI_PLACES=212, PETRI_TRANSITIONS=236} [2021-10-28 23:10:10,209 INFO L334 CegarLoopForPetriNet]: 138 programPoint places, 74 predicate places. [2021-10-28 23:10:10,209 INFO L470 AbstractCegarLoop]: Abstraction has has 212 places, 236 transitions, 2178 flow [2021-10-28 23:10:10,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 103.84615384615384) internal successors, (1350), 13 states have internal predecessors, (1350), 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) [2021-10-28 23:10:10,210 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:10:10,210 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:10,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:10:10,210 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-28 23:10:10,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:10,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1060003731, now seen corresponding path program 2 times [2021-10-28 23:10:10,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:10,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832460836] [2021-10-28 23:10:10,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:10,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:10:10,294 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:10:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:10:10,469 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:10:10,470 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:10:10,471 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:10:10,476 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:10:10,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 23:10:10,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-28 23:10:10,477 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-28 23:10:10,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-28 23:10:10,478 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:10:10,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:10:10,482 INFO L731 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:10,488 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 23:10:10,488 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:10:10,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:10:10 BasicIcfg [2021-10-28 23:10:10,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:10:10,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:10:10,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:10:10,762 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:10:10,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:09:08" (3/4) ... [2021-10-28 23:10:10,766 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:10:10,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:10:10,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:10:10,975 INFO L168 Benchmark]: Toolchain (without parser) took 66278.45 ms. Allocated memory was 90.2 MB in the beginning and 10.1 GB in the end (delta: 10.0 GB). Free memory was 53.0 MB in the beginning and 8.3 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2021-10-28 23:10:10,976 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:10:10,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 952.76 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.8 MB in the beginning and 76.9 MB in the end (delta: -24.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:10:10,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.91 ms. Allocated memory is still 117.4 MB. Free memory was 76.9 MB in the beginning and 74.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:10:10,977 INFO L168 Benchmark]: Boogie Preprocessor took 99.63 ms. Allocated memory is still 117.4 MB. Free memory was 74.0 MB in the beginning and 71.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:10:10,978 INFO L168 Benchmark]: RCFGBuilder took 2486.89 ms. Allocated memory is still 117.4 MB. Free memory was 71.9 MB in the beginning and 45.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:10:10,978 INFO L168 Benchmark]: TraceAbstraction took 62410.08 ms. Allocated memory was 117.4 MB in the beginning and 10.1 GB in the end (delta: 10.0 GB). Free memory was 45.2 MB in the beginning and 8.4 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2021-10-28 23:10:10,978 INFO L168 Benchmark]: Witness Printer took 212.13 ms. Allocated memory is still 10.1 GB. Free memory was 8.4 GB in the beginning and 8.3 GB in the end (delta: 59.8 MB). Peak memory consumption was 58.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:10:10,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 952.76 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.8 MB in the beginning and 76.9 MB in the end (delta: -24.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.91 ms. Allocated memory is still 117.4 MB. Free memory was 76.9 MB in the beginning and 74.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.63 ms. Allocated memory is still 117.4 MB. Free memory was 74.0 MB in the beginning and 71.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2486.89 ms. Allocated memory is still 117.4 MB. Free memory was 71.9 MB in the beginning and 45.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 62410.08 ms. Allocated memory was 117.4 MB in the beginning and 10.1 GB in the end (delta: 10.0 GB). Free memory was 45.2 MB in the beginning and 8.4 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. * Witness Printer took 212.13 ms. Allocated memory is still 10.1 GB. Free memory was 8.4 GB in the beginning and 8.3 GB in the end (delta: 59.8 MB). Peak memory consumption was 58.7 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: 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_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L714] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0] [L718] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L720] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L721] 0 _Bool a$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0] [L722] 0 int a$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0] [L723] 0 _Bool a$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0] [L724] 0 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0] [L725] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0] [L726] 0 _Bool a$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0] [L727] 0 _Bool a$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0] [L728] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0] [L729] 0 _Bool a$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0] [L730] 0 _Bool a$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0] [L731] 0 _Bool a$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0] [L732] 0 _Bool a$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0] [L733] 0 _Bool a$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0] [L734] 0 int *a$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}] [L735] 0 int a$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0] [L736] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0] [L737] 0 int a$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0] [L738] 0 _Bool a$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0] [L739] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0] [L740] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L742] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L744] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L746] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L869] 0 pthread_t t209; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L870] FCALL, FORK 0 pthread_create(&t209, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 a$w_buff0 = 1 [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L757] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L758] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L759] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L760] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L761] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L762] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L765] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L871] 0 pthread_t t210; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L872] FCALL, FORK 0 pthread_create(&t210, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L782] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L785] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L873] 0 pthread_t t211; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L874] FCALL, FORK 0 pthread_create(&t211, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L802] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L875] 0 pthread_t t212; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L876] FCALL, FORK 0 pthread_create(&t212, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L805] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L808] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L825] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L828] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L831] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 4 a$flush_delayed = weak$$choice2 [L834] 4 a$mem_tmp = a [L835] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L835] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L836] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L836] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L837] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L837] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L838] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L838] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L839] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L840] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L841] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 __unbuffered_p3_EBX = a [L843] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L843] 4 a = a$flush_delayed ? a$mem_tmp : a [L844] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L788] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L789] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L790] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L791] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L792] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L811] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L811] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L812] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L812] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L813] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L814] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L815] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L847] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L847] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L848] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L848] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L849] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L850] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L851] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L768] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L769] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L770] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L771] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L772] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L775] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=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$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=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$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L854] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=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$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L878] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, 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$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L882] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L882] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L883] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L883] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L884] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L885] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L885] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L886] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L889] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, 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$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, 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$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, 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$$choice0=3, weak$$choice2=1, x=2, y=2, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 870]: 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: 874]: 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: 876]: 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: 872]: 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 9 procedures, 169 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 61.8s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 58.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 403 SDtfs, 734 SDslu, 1177 SDs, 0 SdLazy, 1062 SolverSat, 256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3416occurred in iteration=11, InterpolantAutomatonStates: 171, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1307 NumberOfCodeBlocks, 1307 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1191 ConstructedInterpolants, 0 QuantifiedInterpolants, 6374 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! [2021-10-28 23:10:11,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b2050d-a47b-44ee-a410-408d5f6096b8/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...