./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G --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 5e0f2637c3745e36a3708f37a9783771b3e1c15cb350f0e936eafd42058bd9cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:45:37,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:45:37,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:45:37,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:45:37,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:45:37,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:45:37,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:45:37,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:45:37,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:45:37,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:45:37,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:45:37,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:45:37,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:45:37,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:45:37,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:45:37,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:45:37,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:45:37,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:45:37,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:45:37,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:45:37,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:45:37,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:45:37,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:45:37,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:45:37,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:45:37,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:45:37,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:45:37,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:45:37,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:45:37,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:45:37,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:45:37,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:45:37,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:45:37,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:45:37,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:45:37,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:45:37,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:45:37,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:45:37,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:45:37,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:45:37,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:45:37,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:45:37,584 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:45:37,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:45:37,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:45:37,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:45:37,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:45:37,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:45:37,587 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:45:37,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:45:37,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:45:37,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:45:37,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:45:37,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:45:37,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:45:37,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:45:37,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:45:37,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:45:37,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:45:37,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:45:37,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:45:37,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:45:37,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:45:37,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:45:37,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:45:37,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:45:37,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:45:37,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:45:37,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:45:37,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:45:37,591 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:45:37,591 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:45:37,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:45:37,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:45:37,592 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_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e0f2637c3745e36a3708f37a9783771b3e1c15cb350f0e936eafd42058bd9cf [2021-11-23 13:45:37,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:45:37,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:45:37,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:45:37,876 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:45:37,877 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:45:37,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-23 13:45:37,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/data/21dde5c7e/fd478dfe166d4e44bd93f83a8f119893/FLAG98b0747f3 [2021-11-23 13:45:38,528 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:45:38,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-23 13:45:38,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/data/21dde5c7e/fd478dfe166d4e44bd93f83a8f119893/FLAG98b0747f3 [2021-11-23 13:45:38,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/data/21dde5c7e/fd478dfe166d4e44bd93f83a8f119893 [2021-11-23 13:45:38,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:45:38,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:45:38,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:45:38,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:45:38,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:45:38,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:38" (1/1) ... [2021-11-23 13:45:38,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7016ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:38, skipping insertion in model container [2021-11-23 13:45:38,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:45:38" (1/1) ... [2021-11-23 13:45:38,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:45:38,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:45:39,082 WARN L230 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_bb47cef9-c890-4dcd-8132-31885aa64f95/sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[986,999] [2021-11-23 13:45:39,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:45:39,321 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:45:39,337 WARN L230 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_bb47cef9-c890-4dcd-8132-31885aa64f95/sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[986,999] [2021-11-23 13:45:39,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:45:39,519 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:45:39,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39 WrapperNode [2021-11-23 13:45:39,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:45:39,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:45:39,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:45:39,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:45:39,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,616 INFO L137 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 275 [2021-11-23 13:45:39,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:45:39,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:45:39,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:45:39,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:45:39,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:45:39,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:45:39,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:45:39,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:45:39,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (1/1) ... [2021-11-23 13:45:39,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:45:39,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:45:39,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:45:39,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:45:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 13:45:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 13:45:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:45:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 13:45:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 13:45:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 13:45:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 13:45:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 13:45:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 13:45:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 13:45:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 13:45:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:45:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 13:45:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:45:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:45:39,794 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 13:45:39,929 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:45:39,931 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:45:40,793 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:45:41,328 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:45:41,328 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:45:41,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:41 BoogieIcfgContainer [2021-11-23 13:45:41,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:45:41,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:45:41,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:45:41,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:45:41,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:45:38" (1/3) ... [2021-11-23 13:45:41,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437562b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:45:41, skipping insertion in model container [2021-11-23 13:45:41,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:45:39" (2/3) ... [2021-11-23 13:45:41,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437562b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:45:41, skipping insertion in model container [2021-11-23 13:45:41,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:41" (3/3) ... [2021-11-23 13:45:41,339 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-23 13:45:41,344 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 13:45:41,345 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:45:41,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 13:45:41,345 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 13:45:41,390 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,390 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,391 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,391 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,391 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,391 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,391 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,392 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,393 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,393 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,393 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,393 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,394 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,394 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,394 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,394 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,395 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,395 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,396 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,398 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,398 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,398 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,399 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,400 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,400 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,400 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,400 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,401 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,401 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,401 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,401 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,402 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,402 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,402 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,402 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,402 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,403 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,403 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,403 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,403 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,404 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,404 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,404 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,405 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,405 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,405 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,405 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,405 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,405 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,406 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,406 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,406 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,406 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,407 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,407 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,407 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,407 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,408 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,408 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,408 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,408 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,408 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,409 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,410 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,411 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,412 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,413 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,416 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,417 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,418 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,419 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,424 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,425 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,425 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,425 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,425 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,425 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,425 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,425 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,425 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,426 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,426 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,426 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,426 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,426 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,426 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,428 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,428 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,428 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,428 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,428 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,428 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,428 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,429 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,429 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,429 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,429 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,429 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,429 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,429 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,429 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,430 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,431 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,432 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,434 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,435 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,436 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,437 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,438 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,438 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,438 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,438 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,438 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,438 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,440 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,441 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,442 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,443 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,444 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,444 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,444 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,444 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,444 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,446 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,446 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,446 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,446 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,446 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,446 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,446 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,447 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,447 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,447 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,447 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,447 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,447 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,447 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,448 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,448 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,448 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,448 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,451 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,451 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,451 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,452 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,453 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,453 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,453 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,453 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,454 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,454 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,454 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,454 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,454 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,454 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,454 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,454 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,455 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,455 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,455 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,455 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,455 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,455 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,455 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,455 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,456 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,456 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,456 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,456 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,456 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,456 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,456 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,457 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,457 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,457 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,457 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,457 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,457 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,457 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,458 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,458 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,458 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,458 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,458 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,458 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,458 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,458 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,459 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,459 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,459 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,459 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,459 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,459 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,459 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,460 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,460 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,460 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,460 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,460 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,460 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,460 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,461 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,461 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,463 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,463 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,463 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 13:45:41,463 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 13:45:41,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:45:41,519 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 [2021-11-23 13:45:41,520 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-23 13:45:41,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 115 transitions, 245 flow [2021-11-23 13:45:41,580 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-11-23 13:45:41,580 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 13:45:41,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-11-23 13:45:41,584 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 115 transitions, 245 flow [2021-11-23 13:45:41,589 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 112 transitions, 233 flow [2021-11-23 13:45:41,598 INFO L129 PetriNetUnfolder]: 0/45 cut-off events. [2021-11-23 13:45:41,599 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 13:45:41,599 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:41,600 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] [2021-11-23 13:45:41,600 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:41,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:41,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1496034097, now seen corresponding path program 1 times [2021-11-23 13:45:41,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:41,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926783196] [2021-11-23 13:45:41,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:41,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:41,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:41,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926783196] [2021-11-23 13:45:41,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926783196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:41,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:41,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:45:41,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715996899] [2021-11-23 13:45:41,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:41,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:45:41,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:41,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:45:41,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:45:41,923 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 115 [2021-11-23 13:45:41,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 112 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2021-11-23 13:45:41,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:41,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 115 [2021-11-23 13:45:41,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:42,240 INFO L129 PetriNetUnfolder]: 124/550 cut-off events. [2021-11-23 13:45:42,240 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-11-23 13:45:42,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 781 conditions, 550 events. 124/550 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2989 event pairs, 24 based on Foata normal form. 23/542 useless extension candidates. Maximal degree in co-relation 729. Up to 155 conditions per place. [2021-11-23 13:45:42,250 INFO L132 encePairwiseOnDemand]: 110/115 looper letters, 18 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2021-11-23 13:45:42,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 116 transitions, 287 flow [2021-11-23 13:45:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:45:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-23 13:45:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2021-11-23 13:45:42,265 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2021-11-23 13:45:42,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 322 transitions. [2021-11-23 13:45:42,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 322 transitions. [2021-11-23 13:45:42,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:42,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 322 transitions. [2021-11-23 13:45:42,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-11-23 13:45:42,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2021-11-23 13:45:42,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2021-11-23 13:45:42,300 INFO L186 Difference]: Start difference. First operand has 120 places, 112 transitions, 233 flow. Second operand 3 states and 322 transitions. [2021-11-23 13:45:42,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 116 transitions, 287 flow [2021-11-23 13:45:42,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 116 transitions, 282 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-23 13:45:42,312 INFO L242 Difference]: Finished difference. Result has 117 places, 108 transitions, 226 flow [2021-11-23 13:45:42,314 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=117, PETRI_TRANSITIONS=108} [2021-11-23 13:45:42,321 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, -3 predicate places. [2021-11-23 13:45:42,321 INFO L470 AbstractCegarLoop]: Abstraction has has 117 places, 108 transitions, 226 flow [2021-11-23 13:45:42,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2021-11-23 13:45:42,321 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:42,322 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] [2021-11-23 13:45:42,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:45:42,323 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:42,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:42,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1542640867, now seen corresponding path program 1 times [2021-11-23 13:45:42,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:42,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092932724] [2021-11-23 13:45:42,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:42,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:42,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:42,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092932724] [2021-11-23 13:45:42,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092932724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:42,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:42,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 13:45:42,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454419174] [2021-11-23 13:45:42,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:42,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:45:42,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:42,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:45:42,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:45:42,687 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 115 [2021-11-23 13:45:42,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 108 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 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) [2021-11-23 13:45:42,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:42,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 115 [2021-11-23 13:45:42,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:43,435 INFO L129 PetriNetUnfolder]: 488/1441 cut-off events. [2021-11-23 13:45:43,435 INFO L130 PetriNetUnfolder]: For 95/95 co-relation queries the response was YES. [2021-11-23 13:45:43,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2335 conditions, 1441 events. 488/1441 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 10190 event pairs, 102 based on Foata normal form. 0/1397 useless extension candidates. Maximal degree in co-relation 2283. Up to 403 conditions per place. [2021-11-23 13:45:43,451 INFO L132 encePairwiseOnDemand]: 109/115 looper letters, 19 selfloop transitions, 2 changer transitions 48/148 dead transitions. [2021-11-23 13:45:43,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 148 transitions, 436 flow [2021-11-23 13:45:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 13:45:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-23 13:45:43,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 897 transitions. [2021-11-23 13:45:43,460 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2021-11-23 13:45:43,460 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 897 transitions. [2021-11-23 13:45:43,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 897 transitions. [2021-11-23 13:45:43,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:43,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 897 transitions. [2021-11-23 13:45:43,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.66666666666667) internal successors, (897), 9 states have internal predecessors, (897), 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) [2021-11-23 13:45:43,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 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) [2021-11-23 13:45:43,471 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 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) [2021-11-23 13:45:43,471 INFO L186 Difference]: Start difference. First operand has 117 places, 108 transitions, 226 flow. Second operand 9 states and 897 transitions. [2021-11-23 13:45:43,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 148 transitions, 436 flow [2021-11-23 13:45:43,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 148 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-23 13:45:43,479 INFO L242 Difference]: Finished difference. Result has 130 places, 96 transitions, 218 flow [2021-11-23 13:45:43,480 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=218, PETRI_PLACES=130, PETRI_TRANSITIONS=96} [2021-11-23 13:45:43,481 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 10 predicate places. [2021-11-23 13:45:43,482 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 96 transitions, 218 flow [2021-11-23 13:45:43,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 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) [2021-11-23 13:45:43,483 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:43,483 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] [2021-11-23 13:45:43,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:45:43,484 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:43,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:43,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1032371874, now seen corresponding path program 1 times [2021-11-23 13:45:43,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:43,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826147900] [2021-11-23 13:45:43,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:43,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:43,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:43,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826147900] [2021-11-23 13:45:43,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826147900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:43,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:43,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 13:45:43,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248984471] [2021-11-23 13:45:43,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:43,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:45:43,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:43,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:45:43,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:45:43,876 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 115 [2021-11-23 13:45:43,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 96 transitions, 218 flow. Second operand has 6 states, 6 states have (on average 94.0) internal successors, (564), 6 states have internal predecessors, (564), 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) [2021-11-23 13:45:43,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:43,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 115 [2021-11-23 13:45:43,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:44,472 INFO L129 PetriNetUnfolder]: 492/1068 cut-off events. [2021-11-23 13:45:44,472 INFO L130 PetriNetUnfolder]: For 262/262 co-relation queries the response was YES. [2021-11-23 13:45:44,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2160 conditions, 1068 events. 492/1068 cut-off events. For 262/262 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5802 event pairs, 174 based on Foata normal form. 27/1051 useless extension candidates. Maximal degree in co-relation 2101. Up to 412 conditions per place. [2021-11-23 13:45:44,484 INFO L132 encePairwiseOnDemand]: 109/115 looper letters, 23 selfloop transitions, 2 changer transitions 37/140 dead transitions. [2021-11-23 13:45:44,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 140 transitions, 453 flow [2021-11-23 13:45:44,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 13:45:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-23 13:45:44,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 892 transitions. [2021-11-23 13:45:44,488 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8618357487922705 [2021-11-23 13:45:44,488 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 892 transitions. [2021-11-23 13:45:44,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 892 transitions. [2021-11-23 13:45:44,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:44,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 892 transitions. [2021-11-23 13:45:44,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.11111111111111) internal successors, (892), 9 states have internal predecessors, (892), 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) [2021-11-23 13:45:44,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 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) [2021-11-23 13:45:44,498 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 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) [2021-11-23 13:45:44,498 INFO L186 Difference]: Start difference. First operand has 130 places, 96 transitions, 218 flow. Second operand 9 states and 892 transitions. [2021-11-23 13:45:44,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 140 transitions, 453 flow [2021-11-23 13:45:44,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 140 transitions, 419 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-23 13:45:44,516 INFO L242 Difference]: Finished difference. Result has 119 places, 96 transitions, 222 flow [2021-11-23 13:45:44,517 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=222, PETRI_PLACES=119, PETRI_TRANSITIONS=96} [2021-11-23 13:45:44,520 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, -1 predicate places. [2021-11-23 13:45:44,520 INFO L470 AbstractCegarLoop]: Abstraction has has 119 places, 96 transitions, 222 flow [2021-11-23 13:45:44,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.0) internal successors, (564), 6 states have internal predecessors, (564), 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) [2021-11-23 13:45:44,521 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:44,521 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] [2021-11-23 13:45:44,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:45:44,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:44,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:44,522 INFO L85 PathProgramCache]: Analyzing trace with hash 694272605, now seen corresponding path program 1 times [2021-11-23 13:45:44,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:44,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895148011] [2021-11-23 13:45:44,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:44,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:44,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:44,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895148011] [2021-11-23 13:45:44,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895148011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:44,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:44,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 13:45:44,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017654647] [2021-11-23 13:45:44,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:44,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:45:44,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:44,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:45:44,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:45:44,761 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 115 [2021-11-23 13:45:44,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 96 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 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) [2021-11-23 13:45:44,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:44,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 115 [2021-11-23 13:45:44,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:45,224 INFO L129 PetriNetUnfolder]: 298/694 cut-off events. [2021-11-23 13:45:45,224 INFO L130 PetriNetUnfolder]: For 193/193 co-relation queries the response was YES. [2021-11-23 13:45:45,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1409 conditions, 694 events. 298/694 cut-off events. For 193/193 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3454 event pairs, 68 based on Foata normal form. 18/686 useless extension candidates. Maximal degree in co-relation 1349. Up to 225 conditions per place. [2021-11-23 13:45:45,232 INFO L132 encePairwiseOnDemand]: 109/115 looper letters, 19 selfloop transitions, 2 changer transitions 31/131 dead transitions. [2021-11-23 13:45:45,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 131 transitions, 416 flow [2021-11-23 13:45:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 13:45:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-23 13:45:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 891 transitions. [2021-11-23 13:45:45,236 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8608695652173913 [2021-11-23 13:45:45,236 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 891 transitions. [2021-11-23 13:45:45,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 891 transitions. [2021-11-23 13:45:45,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:45,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 891 transitions. [2021-11-23 13:45:45,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.0) internal successors, (891), 9 states have internal predecessors, (891), 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) [2021-11-23 13:45:45,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 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) [2021-11-23 13:45:45,245 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 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) [2021-11-23 13:45:45,246 INFO L186 Difference]: Start difference. First operand has 119 places, 96 transitions, 222 flow. Second operand 9 states and 891 transitions. [2021-11-23 13:45:45,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 131 transitions, 416 flow [2021-11-23 13:45:45,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 131 transitions, 384 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-23 13:45:45,255 INFO L242 Difference]: Finished difference. Result has 120 places, 96 transitions, 226 flow [2021-11-23 13:45:45,256 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=226, PETRI_PLACES=120, PETRI_TRANSITIONS=96} [2021-11-23 13:45:45,257 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 0 predicate places. [2021-11-23 13:45:45,258 INFO L470 AbstractCegarLoop]: Abstraction has has 120 places, 96 transitions, 226 flow [2021-11-23 13:45:45,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.0) internal successors, (570), 6 states have internal predecessors, (570), 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) [2021-11-23 13:45:45,258 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:45,259 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] [2021-11-23 13:45:45,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:45:45,259 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:45,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:45,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1774078765, now seen corresponding path program 1 times [2021-11-23 13:45:45,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:45,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214645096] [2021-11-23 13:45:45,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:45,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:45,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:45,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214645096] [2021-11-23 13:45:45,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214645096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:45,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:45,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 13:45:45,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920318926] [2021-11-23 13:45:45,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:45,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 13:45:45,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:45,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 13:45:45,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:45:45,536 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2021-11-23 13:45:45,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 96 transitions, 226 flow. Second operand has 7 states, 7 states have (on average 92.14285714285714) internal successors, (645), 7 states have internal predecessors, (645), 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) [2021-11-23 13:45:45,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:45,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2021-11-23 13:45:45,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:46,049 INFO L129 PetriNetUnfolder]: 397/1001 cut-off events. [2021-11-23 13:45:46,049 INFO L130 PetriNetUnfolder]: For 245/245 co-relation queries the response was YES. [2021-11-23 13:45:46,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2024 conditions, 1001 events. 397/1001 cut-off events. For 245/245 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 5818 event pairs, 140 based on Foata normal form. 16/940 useless extension candidates. Maximal degree in co-relation 1962. Up to 199 conditions per place. [2021-11-23 13:45:46,059 INFO L132 encePairwiseOnDemand]: 107/115 looper letters, 28 selfloop transitions, 4 changer transitions 32/140 dead transitions. [2021-11-23 13:45:46,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 140 transitions, 485 flow [2021-11-23 13:45:46,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 13:45:46,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 13:45:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 966 transitions. [2021-11-23 13:45:46,063 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.84 [2021-11-23 13:45:46,063 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 966 transitions. [2021-11-23 13:45:46,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 966 transitions. [2021-11-23 13:45:46,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:46,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 966 transitions. [2021-11-23 13:45:46,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.6) internal successors, (966), 10 states have internal predecessors, (966), 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) [2021-11-23 13:45:46,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 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) [2021-11-23 13:45:46,072 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 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) [2021-11-23 13:45:46,072 INFO L186 Difference]: Start difference. First operand has 120 places, 96 transitions, 226 flow. Second operand 10 states and 966 transitions. [2021-11-23 13:45:46,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 140 transitions, 485 flow [2021-11-23 13:45:46,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 140 transitions, 449 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-23 13:45:46,079 INFO L242 Difference]: Finished difference. Result has 123 places, 96 transitions, 240 flow [2021-11-23 13:45:46,079 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=240, PETRI_PLACES=123, PETRI_TRANSITIONS=96} [2021-11-23 13:45:46,080 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 3 predicate places. [2021-11-23 13:45:46,080 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 96 transitions, 240 flow [2021-11-23 13:45:46,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.14285714285714) internal successors, (645), 7 states have internal predecessors, (645), 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) [2021-11-23 13:45:46,081 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:46,081 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] [2021-11-23 13:45:46,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:45:46,082 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:46,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:46,082 INFO L85 PathProgramCache]: Analyzing trace with hash -167159687, now seen corresponding path program 1 times [2021-11-23 13:45:46,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:46,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292017247] [2021-11-23 13:45:46,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:46,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:46,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:46,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292017247] [2021-11-23 13:45:46,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292017247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:46,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:46,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 13:45:46,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454817910] [2021-11-23 13:45:46,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:46,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 13:45:46,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:46,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 13:45:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-23 13:45:46,467 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 115 [2021-11-23 13:45:46,468 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 96 transitions, 240 flow. Second operand has 12 states, 12 states have (on average 87.66666666666667) internal successors, (1052), 12 states have internal predecessors, (1052), 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) [2021-11-23 13:45:46,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:46,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 115 [2021-11-23 13:45:46,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:47,173 INFO L129 PetriNetUnfolder]: 279/723 cut-off events. [2021-11-23 13:45:47,173 INFO L130 PetriNetUnfolder]: For 400/400 co-relation queries the response was YES. [2021-11-23 13:45:47,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1549 conditions, 723 events. 279/723 cut-off events. For 400/400 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3503 event pairs, 43 based on Foata normal form. 12/701 useless extension candidates. Maximal degree in co-relation 1478. Up to 201 conditions per place. [2021-11-23 13:45:47,180 INFO L132 encePairwiseOnDemand]: 100/115 looper letters, 25 selfloop transitions, 11 changer transitions 37/145 dead transitions. [2021-11-23 13:45:47,180 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 145 transitions, 533 flow [2021-11-23 13:45:47,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 13:45:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-23 13:45:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1451 transitions. [2021-11-23 13:45:47,186 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7885869565217392 [2021-11-23 13:45:47,186 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1451 transitions. [2021-11-23 13:45:47,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1451 transitions. [2021-11-23 13:45:47,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:47,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1451 transitions. [2021-11-23 13:45:47,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 90.6875) internal successors, (1451), 16 states have internal predecessors, (1451), 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) [2021-11-23 13:45:47,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 115.0) internal successors, (1955), 17 states have internal predecessors, (1955), 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) [2021-11-23 13:45:47,199 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 115.0) internal successors, (1955), 17 states have internal predecessors, (1955), 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) [2021-11-23 13:45:47,199 INFO L186 Difference]: Start difference. First operand has 123 places, 96 transitions, 240 flow. Second operand 16 states and 1451 transitions. [2021-11-23 13:45:47,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 145 transitions, 533 flow [2021-11-23 13:45:47,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 145 transitions, 483 flow, removed 20 selfloop flow, removed 10 redundant places. [2021-11-23 13:45:47,206 INFO L242 Difference]: Finished difference. Result has 130 places, 98 transitions, 280 flow [2021-11-23 13:45:47,206 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=280, PETRI_PLACES=130, PETRI_TRANSITIONS=98} [2021-11-23 13:45:47,209 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 10 predicate places. [2021-11-23 13:45:47,209 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 98 transitions, 280 flow [2021-11-23 13:45:47,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 87.66666666666667) internal successors, (1052), 12 states have internal predecessors, (1052), 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) [2021-11-23 13:45:47,211 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:47,211 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] [2021-11-23 13:45:47,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 13:45:47,211 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:47,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:47,212 INFO L85 PathProgramCache]: Analyzing trace with hash -958492712, now seen corresponding path program 1 times [2021-11-23 13:45:47,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:47,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333240212] [2021-11-23 13:45:47,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:47,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:47,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:47,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333240212] [2021-11-23 13:45:47,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333240212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:47,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:47,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 13:45:47,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071014980] [2021-11-23 13:45:47,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:47,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 13:45:47,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:47,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 13:45:47,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-11-23 13:45:47,805 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 115 [2021-11-23 13:45:47,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 98 transitions, 280 flow. Second operand has 12 states, 12 states have (on average 85.91666666666667) internal successors, (1031), 12 states have internal predecessors, (1031), 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) [2021-11-23 13:45:47,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:47,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 115 [2021-11-23 13:45:47,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:48,544 INFO L129 PetriNetUnfolder]: 191/589 cut-off events. [2021-11-23 13:45:48,544 INFO L130 PetriNetUnfolder]: For 753/759 co-relation queries the response was YES. [2021-11-23 13:45:48,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1436 conditions, 589 events. 191/589 cut-off events. For 753/759 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2785 event pairs, 52 based on Foata normal form. 10/568 useless extension candidates. Maximal degree in co-relation 1357. Up to 176 conditions per place. [2021-11-23 13:45:48,552 INFO L132 encePairwiseOnDemand]: 104/115 looper letters, 46 selfloop transitions, 11 changer transitions 22/149 dead transitions. [2021-11-23 13:45:48,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 149 transitions, 668 flow [2021-11-23 13:45:48,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-23 13:45:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-23 13:45:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1172 transitions. [2021-11-23 13:45:48,557 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7839464882943143 [2021-11-23 13:45:48,557 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1172 transitions. [2021-11-23 13:45:48,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1172 transitions. [2021-11-23 13:45:48,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:48,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1172 transitions. [2021-11-23 13:45:48,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 90.15384615384616) internal successors, (1172), 13 states have internal predecessors, (1172), 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) [2021-11-23 13:45:48,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 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) [2021-11-23 13:45:48,566 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 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) [2021-11-23 13:45:48,567 INFO L186 Difference]: Start difference. First operand has 130 places, 98 transitions, 280 flow. Second operand 13 states and 1172 transitions. [2021-11-23 13:45:48,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 149 transitions, 668 flow [2021-11-23 13:45:48,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 149 transitions, 601 flow, removed 22 selfloop flow, removed 11 redundant places. [2021-11-23 13:45:48,573 INFO L242 Difference]: Finished difference. Result has 134 places, 104 transitions, 332 flow [2021-11-23 13:45:48,574 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=332, PETRI_PLACES=134, PETRI_TRANSITIONS=104} [2021-11-23 13:45:48,574 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 14 predicate places. [2021-11-23 13:45:48,575 INFO L470 AbstractCegarLoop]: Abstraction has has 134 places, 104 transitions, 332 flow [2021-11-23 13:45:48,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 85.91666666666667) internal successors, (1031), 12 states have internal predecessors, (1031), 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) [2021-11-23 13:45:48,576 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:48,576 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] [2021-11-23 13:45:48,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 13:45:48,576 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:48,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:48,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1129693764, now seen corresponding path program 1 times [2021-11-23 13:45:48,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:48,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758941185] [2021-11-23 13:45:48,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:48,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:48,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:48,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:48,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758941185] [2021-11-23 13:45:48,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758941185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:48,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:48,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 13:45:48,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358117167] [2021-11-23 13:45:48,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:48,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 13:45:48,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:48,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 13:45:48,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-23 13:45:48,898 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 115 [2021-11-23 13:45:48,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 104 transitions, 332 flow. Second operand has 11 states, 11 states have (on average 89.72727272727273) internal successors, (987), 11 states have internal predecessors, (987), 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) [2021-11-23 13:45:48,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:48,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 115 [2021-11-23 13:45:48,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:49,614 INFO L129 PetriNetUnfolder]: 201/567 cut-off events. [2021-11-23 13:45:49,614 INFO L130 PetriNetUnfolder]: For 1297/1306 co-relation queries the response was YES. [2021-11-23 13:45:49,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1721 conditions, 567 events. 201/567 cut-off events. For 1297/1306 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2746 event pairs, 45 based on Foata normal form. 12/560 useless extension candidates. Maximal degree in co-relation 1646. Up to 218 conditions per place. [2021-11-23 13:45:49,622 INFO L132 encePairwiseOnDemand]: 103/115 looper letters, 29 selfloop transitions, 19 changer transitions 47/169 dead transitions. [2021-11-23 13:45:49,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 169 transitions, 916 flow [2021-11-23 13:45:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-23 13:45:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-23 13:45:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1483 transitions. [2021-11-23 13:45:49,628 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8059782608695653 [2021-11-23 13:45:49,628 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1483 transitions. [2021-11-23 13:45:49,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1483 transitions. [2021-11-23 13:45:49,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:49,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1483 transitions. [2021-11-23 13:45:49,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 92.6875) internal successors, (1483), 16 states have internal predecessors, (1483), 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) [2021-11-23 13:45:49,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 115.0) internal successors, (1955), 17 states have internal predecessors, (1955), 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) [2021-11-23 13:45:49,644 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 115.0) internal successors, (1955), 17 states have internal predecessors, (1955), 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) [2021-11-23 13:45:49,644 INFO L186 Difference]: Start difference. First operand has 134 places, 104 transitions, 332 flow. Second operand 16 states and 1483 transitions. [2021-11-23 13:45:49,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 169 transitions, 916 flow [2021-11-23 13:45:49,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 169 transitions, 867 flow, removed 23 selfloop flow, removed 8 redundant places. [2021-11-23 13:45:49,654 INFO L242 Difference]: Finished difference. Result has 146 places, 118 transitions, 481 flow [2021-11-23 13:45:49,654 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=481, PETRI_PLACES=146, PETRI_TRANSITIONS=118} [2021-11-23 13:45:49,655 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 26 predicate places. [2021-11-23 13:45:49,655 INFO L470 AbstractCegarLoop]: Abstraction has has 146 places, 118 transitions, 481 flow [2021-11-23 13:45:49,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 89.72727272727273) internal successors, (987), 11 states have internal predecessors, (987), 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) [2021-11-23 13:45:49,656 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:49,656 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] [2021-11-23 13:45:49,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 13:45:49,657 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:49,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:49,657 INFO L85 PathProgramCache]: Analyzing trace with hash -797089536, now seen corresponding path program 1 times [2021-11-23 13:45:49,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:49,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951996006] [2021-11-23 13:45:49,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:49,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:50,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:50,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951996006] [2021-11-23 13:45:50,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951996006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:50,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:50,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-23 13:45:50,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140179612] [2021-11-23 13:45:50,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:50,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 13:45:50,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:50,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 13:45:50,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-23 13:45:50,154 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 115 [2021-11-23 13:45:50,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 118 transitions, 481 flow. Second operand has 13 states, 13 states have (on average 84.92307692307692) internal successors, (1104), 13 states have internal predecessors, (1104), 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) [2021-11-23 13:45:50,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:50,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 115 [2021-11-23 13:45:50,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:51,347 INFO L129 PetriNetUnfolder]: 207/690 cut-off events. [2021-11-23 13:45:51,348 INFO L130 PetriNetUnfolder]: For 2026/2030 co-relation queries the response was YES. [2021-11-23 13:45:51,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2251 conditions, 690 events. 207/690 cut-off events. For 2026/2030 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3965 event pairs, 30 based on Foata normal form. 15/656 useless extension candidates. Maximal degree in co-relation 2165. Up to 209 conditions per place. [2021-11-23 13:45:51,357 INFO L132 encePairwiseOnDemand]: 99/115 looper letters, 37 selfloop transitions, 28 changer transitions 46/180 dead transitions. [2021-11-23 13:45:51,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 180 transitions, 1169 flow [2021-11-23 13:45:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 13:45:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-23 13:45:51,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1658 transitions. [2021-11-23 13:45:51,363 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7588100686498855 [2021-11-23 13:45:51,364 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1658 transitions. [2021-11-23 13:45:51,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1658 transitions. [2021-11-23 13:45:51,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:51,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1658 transitions. [2021-11-23 13:45:51,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 87.26315789473684) internal successors, (1658), 19 states have internal predecessors, (1658), 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) [2021-11-23 13:45:51,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 115.0) internal successors, (2300), 20 states have internal predecessors, (2300), 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) [2021-11-23 13:45:51,377 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 115.0) internal successors, (2300), 20 states have internal predecessors, (2300), 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) [2021-11-23 13:45:51,377 INFO L186 Difference]: Start difference. First operand has 146 places, 118 transitions, 481 flow. Second operand 19 states and 1658 transitions. [2021-11-23 13:45:51,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 180 transitions, 1169 flow [2021-11-23 13:45:51,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 180 transitions, 1076 flow, removed 45 selfloop flow, removed 11 redundant places. [2021-11-23 13:45:51,393 INFO L242 Difference]: Finished difference. Result has 156 places, 126 transitions, 629 flow [2021-11-23 13:45:51,394 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=629, PETRI_PLACES=156, PETRI_TRANSITIONS=126} [2021-11-23 13:45:51,394 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 36 predicate places. [2021-11-23 13:45:51,395 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 126 transitions, 629 flow [2021-11-23 13:45:51,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.92307692307692) internal successors, (1104), 13 states have internal predecessors, (1104), 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) [2021-11-23 13:45:51,395 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:51,396 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] [2021-11-23 13:45:51,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 13:45:51,396 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:51,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:51,397 INFO L85 PathProgramCache]: Analyzing trace with hash 901746598, now seen corresponding path program 2 times [2021-11-23 13:45:51,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:51,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361419371] [2021-11-23 13:45:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:51,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:51,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:51,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361419371] [2021-11-23 13:45:51,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361419371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:51,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:51,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-23 13:45:51,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959113178] [2021-11-23 13:45:51,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:51,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-23 13:45:51,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:51,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-23 13:45:51,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-23 13:45:51,815 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 115 [2021-11-23 13:45:51,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 126 transitions, 629 flow. Second operand has 15 states, 15 states have (on average 85.6) internal successors, (1284), 15 states have internal predecessors, (1284), 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) [2021-11-23 13:45:51,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:51,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 115 [2021-11-23 13:45:51,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:52,707 INFO L129 PetriNetUnfolder]: 156/645 cut-off events. [2021-11-23 13:45:52,707 INFO L130 PetriNetUnfolder]: For 1737/1743 co-relation queries the response was YES. [2021-11-23 13:45:52,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2032 conditions, 645 events. 156/645 cut-off events. For 1737/1743 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 4311 event pairs, 14 based on Foata normal form. 9/635 useless extension candidates. Maximal degree in co-relation 1961. Up to 118 conditions per place. [2021-11-23 13:45:52,715 INFO L132 encePairwiseOnDemand]: 103/115 looper letters, 33 selfloop transitions, 11 changer transitions 49/163 dead transitions. [2021-11-23 13:45:52,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 163 transitions, 1079 flow [2021-11-23 13:45:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-23 13:45:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-23 13:45:52,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1581 transitions. [2021-11-23 13:45:52,720 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.763768115942029 [2021-11-23 13:45:52,720 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1581 transitions. [2021-11-23 13:45:52,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1581 transitions. [2021-11-23 13:45:52,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:52,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1581 transitions. [2021-11-23 13:45:52,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 87.83333333333333) internal successors, (1581), 18 states have internal predecessors, (1581), 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) [2021-11-23 13:45:52,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 115.0) internal successors, (2185), 19 states have internal predecessors, (2185), 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) [2021-11-23 13:45:52,731 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 115.0) internal successors, (2185), 19 states have internal predecessors, (2185), 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) [2021-11-23 13:45:52,731 INFO L186 Difference]: Start difference. First operand has 156 places, 126 transitions, 629 flow. Second operand 18 states and 1581 transitions. [2021-11-23 13:45:52,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 163 transitions, 1079 flow [2021-11-23 13:45:52,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 163 transitions, 978 flow, removed 44 selfloop flow, removed 15 redundant places. [2021-11-23 13:45:52,744 INFO L242 Difference]: Finished difference. Result has 161 places, 108 transitions, 454 flow [2021-11-23 13:45:52,744 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=454, PETRI_PLACES=161, PETRI_TRANSITIONS=108} [2021-11-23 13:45:52,745 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 41 predicate places. [2021-11-23 13:45:52,745 INFO L470 AbstractCegarLoop]: Abstraction has has 161 places, 108 transitions, 454 flow [2021-11-23 13:45:52,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 85.6) internal successors, (1284), 15 states have internal predecessors, (1284), 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) [2021-11-23 13:45:52,746 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:52,746 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] [2021-11-23 13:45:52,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 13:45:52,747 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:52,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:52,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1601809791, now seen corresponding path program 1 times [2021-11-23 13:45:52,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:52,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649572055] [2021-11-23 13:45:52,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:52,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:52,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:52,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649572055] [2021-11-23 13:45:52,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649572055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:52,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:52,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 13:45:52,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330247327] [2021-11-23 13:45:52,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:52,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:45:52,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:52,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:45:52,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:45:52,875 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 115 [2021-11-23 13:45:52,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 108 transitions, 454 flow. Second operand has 6 states, 6 states have (on average 91.66666666666667) internal successors, (550), 6 states have internal predecessors, (550), 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) [2021-11-23 13:45:52,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:52,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 115 [2021-11-23 13:45:52,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:53,591 INFO L129 PetriNetUnfolder]: 1042/2143 cut-off events. [2021-11-23 13:45:53,591 INFO L130 PetriNetUnfolder]: For 8289/8291 co-relation queries the response was YES. [2021-11-23 13:45:53,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6897 conditions, 2143 events. 1042/2143 cut-off events. For 8289/8291 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 13204 event pairs, 28 based on Foata normal form. 2/2101 useless extension candidates. Maximal degree in co-relation 6811. Up to 624 conditions per place. [2021-11-23 13:45:53,616 INFO L132 encePairwiseOnDemand]: 105/115 looper letters, 54 selfloop transitions, 6 changer transitions 91/225 dead transitions. [2021-11-23 13:45:53,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 225 transitions, 1754 flow [2021-11-23 13:45:53,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 13:45:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 13:45:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 982 transitions. [2021-11-23 13:45:53,619 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8539130434782609 [2021-11-23 13:45:53,620 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 982 transitions. [2021-11-23 13:45:53,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 982 transitions. [2021-11-23 13:45:53,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:53,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 982 transitions. [2021-11-23 13:45:53,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 98.2) internal successors, (982), 10 states have internal predecessors, (982), 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) [2021-11-23 13:45:53,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 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) [2021-11-23 13:45:53,629 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 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) [2021-11-23 13:45:53,629 INFO L186 Difference]: Start difference. First operand has 161 places, 108 transitions, 454 flow. Second operand 10 states and 982 transitions. [2021-11-23 13:45:53,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 225 transitions, 1754 flow [2021-11-23 13:45:53,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 225 transitions, 1470 flow, removed 58 selfloop flow, removed 27 redundant places. [2021-11-23 13:45:53,647 INFO L242 Difference]: Finished difference. Result has 138 places, 110 transitions, 420 flow [2021-11-23 13:45:53,648 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=420, PETRI_PLACES=138, PETRI_TRANSITIONS=110} [2021-11-23 13:45:53,650 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 18 predicate places. [2021-11-23 13:45:53,650 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 110 transitions, 420 flow [2021-11-23 13:45:53,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.66666666666667) internal successors, (550), 6 states have internal predecessors, (550), 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) [2021-11-23 13:45:53,651 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:53,651 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:45:53,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 13:45:53,653 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:53,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:53,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1130178589, now seen corresponding path program 1 times [2021-11-23 13:45:53,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:53,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103625790] [2021-11-23 13:45:53,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:53,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:53,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:53,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103625790] [2021-11-23 13:45:53,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103625790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:53,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:53,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 13:45:53,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224299918] [2021-11-23 13:45:53,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:53,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 13:45:53,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:53,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 13:45:53,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:45:53,799 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 115 [2021-11-23 13:45:53,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 110 transitions, 420 flow. Second operand has 7 states, 7 states have (on average 91.42857142857143) internal successors, (640), 7 states have internal predecessors, (640), 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) [2021-11-23 13:45:53,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:53,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 115 [2021-11-23 13:45:53,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:54,238 INFO L129 PetriNetUnfolder]: 350/953 cut-off events. [2021-11-23 13:45:54,238 INFO L130 PetriNetUnfolder]: For 2338/2348 co-relation queries the response was YES. [2021-11-23 13:45:54,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3158 conditions, 953 events. 350/953 cut-off events. For 2338/2348 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5464 event pairs, 5 based on Foata normal form. 39/990 useless extension candidates. Maximal degree in co-relation 3087. Up to 230 conditions per place. [2021-11-23 13:45:54,248 INFO L132 encePairwiseOnDemand]: 106/115 looper letters, 54 selfloop transitions, 9 changer transitions 54/191 dead transitions. [2021-11-23 13:45:54,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 191 transitions, 1273 flow [2021-11-23 13:45:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 13:45:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-23 13:45:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 974 transitions. [2021-11-23 13:45:54,253 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8469565217391304 [2021-11-23 13:45:54,253 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 974 transitions. [2021-11-23 13:45:54,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 974 transitions. [2021-11-23 13:45:54,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:54,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 974 transitions. [2021-11-23 13:45:54,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 97.4) internal successors, (974), 10 states have internal predecessors, (974), 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) [2021-11-23 13:45:54,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 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) [2021-11-23 13:45:54,260 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 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) [2021-11-23 13:45:54,260 INFO L186 Difference]: Start difference. First operand has 138 places, 110 transitions, 420 flow. Second operand 10 states and 974 transitions. [2021-11-23 13:45:54,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 191 transitions, 1273 flow [2021-11-23 13:45:54,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 191 transitions, 1245 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-11-23 13:45:54,269 INFO L242 Difference]: Finished difference. Result has 141 places, 113 transitions, 484 flow [2021-11-23 13:45:54,270 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=484, PETRI_PLACES=141, PETRI_TRANSITIONS=113} [2021-11-23 13:45:54,270 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 21 predicate places. [2021-11-23 13:45:54,271 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 113 transitions, 484 flow [2021-11-23 13:45:54,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 91.42857142857143) internal successors, (640), 7 states have internal predecessors, (640), 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) [2021-11-23 13:45:54,271 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:54,271 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] [2021-11-23 13:45:54,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 13:45:54,272 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:54,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:54,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1687184870, now seen corresponding path program 1 times [2021-11-23 13:45:54,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:54,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111744491] [2021-11-23 13:45:54,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:54,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:45:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:45:54,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:45:54,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111744491] [2021-11-23 13:45:54,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111744491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:45:54,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:45:54,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 13:45:54,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267897724] [2021-11-23 13:45:54,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:45:54,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 13:45:54,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:45:54,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 13:45:54,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:45:54,425 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 115 [2021-11-23 13:45:54,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 113 transitions, 484 flow. Second operand has 8 states, 8 states have (on average 91.375) internal successors, (731), 8 states have internal predecessors, (731), 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) [2021-11-23 13:45:54,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-23 13:45:54,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 115 [2021-11-23 13:45:54,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-23 13:45:54,735 INFO L129 PetriNetUnfolder]: 102/406 cut-off events. [2021-11-23 13:45:54,735 INFO L130 PetriNetUnfolder]: For 1117/1117 co-relation queries the response was YES. [2021-11-23 13:45:54,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 406 events. 102/406 cut-off events. For 1117/1117 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1861 event pairs, 5 based on Foata normal form. 12/416 useless extension candidates. Maximal degree in co-relation 1314. Up to 83 conditions per place. [2021-11-23 13:45:54,738 INFO L132 encePairwiseOnDemand]: 106/115 looper letters, 43 selfloop transitions, 12 changer transitions 27/156 dead transitions. [2021-11-23 13:45:54,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 156 transitions, 1000 flow [2021-11-23 13:45:54,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 13:45:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-23 13:45:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1040 transitions. [2021-11-23 13:45:54,746 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8221343873517787 [2021-11-23 13:45:54,747 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1040 transitions. [2021-11-23 13:45:54,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1040 transitions. [2021-11-23 13:45:54,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:45:54,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1040 transitions. [2021-11-23 13:45:54,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 94.54545454545455) internal successors, (1040), 11 states have internal predecessors, (1040), 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) [2021-11-23 13:45:54,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 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) [2021-11-23 13:45:54,753 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 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) [2021-11-23 13:45:54,753 INFO L186 Difference]: Start difference. First operand has 141 places, 113 transitions, 484 flow. Second operand 11 states and 1040 transitions. [2021-11-23 13:45:54,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 156 transitions, 1000 flow [2021-11-23 13:45:54,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 156 transitions, 837 flow, removed 47 selfloop flow, removed 13 redundant places. [2021-11-23 13:45:54,762 INFO L242 Difference]: Finished difference. Result has 140 places, 113 transitions, 443 flow [2021-11-23 13:45:54,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=443, PETRI_PLACES=140, PETRI_TRANSITIONS=113} [2021-11-23 13:45:54,763 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 20 predicate places. [2021-11-23 13:45:54,763 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 113 transitions, 443 flow [2021-11-23 13:45:54,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 91.375) internal successors, (731), 8 states have internal predecessors, (731), 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) [2021-11-23 13:45:54,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-23 13:45:54,764 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] [2021-11-23 13:45:54,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 13:45:54,765 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-23 13:45:54,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:45:54,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1770097799, now seen corresponding path program 1 times [2021-11-23 13:45:54,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:45:54,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699924511] [2021-11-23 13:45:54,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:45:54,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:45:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:45:54,863 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:45:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:45:54,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:45:54,992 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:45:54,992 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-23 13:45:54,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-23 13:45:54,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-23 13:45:54,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-23 13:45:54,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-23 13:45:54,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-23 13:45:54,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 13:45:54,999 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:45:55,004 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 13:45:55,004 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:45:55,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:45:55 BasicIcfg [2021-11-23 13:45:55,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:45:55,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:45:55,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:45:55,192 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:45:55,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:45:41" (3/4) ... [2021-11-23 13:45:55,194 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 13:45:55,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:45:55,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:45:55,333 INFO L158 Benchmark]: Toolchain (without parser) took 16513.78ms. Allocated memory was 115.3MB in the beginning and 281.0MB in the end (delta: 165.7MB). Free memory was 83.3MB in the beginning and 120.4MB in the end (delta: -37.1MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2021-11-23 13:45:55,333 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:45:55,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.53ms. Allocated memory is still 115.3MB. Free memory was 82.9MB in the beginning and 72.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:45:55,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.03ms. Allocated memory is still 115.3MB. Free memory was 72.4MB in the beginning and 69.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:45:55,334 INFO L158 Benchmark]: Boogie Preprocessor took 77.02ms. Allocated memory is still 115.3MB. Free memory was 69.4MB in the beginning and 66.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:45:55,335 INFO L158 Benchmark]: RCFGBuilder took 1619.98ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 66.2MB in the beginning and 95.3MB in the end (delta: -29.1MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2021-11-23 13:45:55,335 INFO L158 Benchmark]: TraceAbstraction took 13858.13ms. Allocated memory was 138.4MB in the beginning and 281.0MB in the end (delta: 142.6MB). Free memory was 94.3MB in the beginning and 163.5MB in the end (delta: -69.3MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2021-11-23 13:45:55,335 INFO L158 Benchmark]: Witness Printer took 140.81ms. Allocated memory is still 281.0MB. Free memory was 163.5MB in the beginning and 120.4MB in the end (delta: 43.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-23 13:45:55,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.53ms. Allocated memory is still 115.3MB. Free memory was 82.9MB in the beginning and 72.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.03ms. Allocated memory is still 115.3MB. Free memory was 72.4MB in the beginning and 69.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.02ms. Allocated memory is still 115.3MB. Free memory was 69.4MB in the beginning and 66.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1619.98ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 66.2MB in the beginning and 95.3MB in the end (delta: -29.1MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13858.13ms. Allocated memory was 138.4MB in the beginning and 281.0MB in the end (delta: 142.6MB). Free memory was 94.3MB in the beginning and 163.5MB in the end (delta: -69.3MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 140.81ms. Allocated memory is still 281.0MB. Free memory was 163.5MB in the beginning and 120.4MB in the end (delta: 43.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L715] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L716] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L717] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L719] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L722] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L723] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L724] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L725] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L726] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L727] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L728] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L729] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L730] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L731] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L732] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L733] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L734] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L735] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L736] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L737] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L846] 0 pthread_t t1849; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1849={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t1849, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1849, ((void *)0), P0, ((void *)0))=-2, t1849={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L848] 0 pthread_t t1850; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1849={5:0}, t1850={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t1850, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1850, ((void *)0), P1, ((void *)0))=-1, t1849={5:0}, t1850={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L850] 0 pthread_t t1851; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1849={5:0}, t1850={6:0}, t1851={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L851] FCALL, FORK 0 pthread_create(&t1851, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1851, ((void *)0), P2, ((void *)0))=0, t1849={5:0}, t1850={6:0}, t1851={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L743] 1 y$w_buff1 = y$w_buff0 [L744] 1 y$w_buff0 = 2 [L745] 1 y$w_buff1_used = y$w_buff0_used [L746] 1 y$w_buff0_used = (_Bool)1 [L747] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L747] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L748] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L749] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L750] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L751] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L752] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L778] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L778] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L779] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L780] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L781] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L782] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 y$flush_delayed = weak$$choice2 [L795] 3 y$mem_tmp = y [L796] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L796] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L797] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L797] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L797] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L797] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L798] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L798] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L798] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L798] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L799] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L799] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L799] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L799] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L800] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L801] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L801] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L801] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L802] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L802] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EAX = y [L804] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L804] 3 y = y$flush_delayed ? y$mem_tmp : y [L805] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=58, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L808] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 3 y$flush_delayed = weak$$choice2 [L811] 3 y$mem_tmp = y [L812] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L812] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L813] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L813] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L813] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L813] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L814] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L814] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L814] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L814] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L815] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L815] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L815] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L815] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L816] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L816] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L817] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L817] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L817] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L817] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L818] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L818] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] 3 __unbuffered_p2_EBX = y [L820] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L820] 3 y = y$flush_delayed ? y$mem_tmp : y [L821] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=56, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L758] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L759] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L759] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L760] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L760] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L761] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L761] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L762] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L762] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L825] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L826] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L827] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L828] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=56, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=56, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=56, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1849={5:0}, t1850={6:0}, t1851={3:0}, weak$$choice0=56, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L855] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=56, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L855] RET 0 assume_abort_if_not(main$tmp_guard0) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1849={5:0}, t1850={6:0}, t1851={3:0}, weak$$choice0=57, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L879] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=57, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=57, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - 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: 847]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 142 locations, 6 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: 13.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 751 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 751 mSDsluCounter, 627 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1143 mSDsCounter, 324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1972 IncrementalHoareTripleChecker+Invalid, 2296 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 324 mSolverCounterUnsat, 116 mSDtfsCounter, 1972 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=629occurred in iteration=9, InterpolantAutomatonStates: 153, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1113 NumberOfCodeBlocks, 1113 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1011 ConstructedInterpolants, 0 QuantifiedInterpolants, 5958 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-23 13:45:55,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb47cef9-c890-4dcd-8132-31885aa64f95/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE