./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix046.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8 --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 f69f777f524a62a415fc7cacc9442c44e05883e29c36815b4e0d58199826b331 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:29:08,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:29:08,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:29:08,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:29:08,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:29:08,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:29:08,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:29:08,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:29:08,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:29:08,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:29:08,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:29:08,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:29:08,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:29:08,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:29:08,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:29:08,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:29:08,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:29:09,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:29:09,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:29:09,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:29:09,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:29:09,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:29:09,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:29:09,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:29:09,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:29:09,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:29:09,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:29:09,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:29:09,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:29:09,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:29:09,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:29:09,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:29:09,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:29:09,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:29:09,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:29:09,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:29:09,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:29:09,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:29:09,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:29:09,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:29:09,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:29:09,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 13:29:09,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:29:09,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:29:09,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:29:09,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:29:09,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:29:09,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:29:09,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:29:09,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:29:09,046 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:29:09,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:29:09,046 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:29:09,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:29:09,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:29:09,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:29:09,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:29:09,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:29:09,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:29:09,047 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:29:09,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:29:09,048 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:29:09,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:29:09,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:29:09,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:29:09,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:29:09,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:29:09,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:29:09,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:29:09,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:29:09,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:29:09,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:29:09,050 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:29:09,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:29:09,050 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:29:09,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:29:09,050 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:29:09,051 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f69f777f524a62a415fc7cacc9442c44e05883e29c36815b4e0d58199826b331 [2022-12-13 13:29:09,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:29:09,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:29:09,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:29:09,259 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:29:09,259 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:29:09,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/mix046.opt.i [2022-12-13 13:29:11,901 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:29:12,061 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:29:12,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/sv-benchmarks/c/pthread-wmm/mix046.opt.i [2022-12-13 13:29:12,071 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/data/c10886ad3/6b5f5ffb53d74875b704a3fc32466143/FLAGbf8c2b18a [2022-12-13 13:29:12,081 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/data/c10886ad3/6b5f5ffb53d74875b704a3fc32466143 [2022-12-13 13:29:12,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:29:12,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:29:12,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:29:12,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:29:12,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:29:12,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d712d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12, skipping insertion in model container [2022-12-13 13:29:12,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:29:12,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:29:12,238 WARN L237 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_41923855-9e5a-46ea-8c4a-dab852559ce7/sv-benchmarks/c/pthread-wmm/mix046.opt.i[944,957] [2022-12-13 13:29:12,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,410 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,410 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,411 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,418 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,419 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,419 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:29:12,440 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:29:12,452 WARN L237 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_41923855-9e5a-46ea-8c4a-dab852559ce7/sv-benchmarks/c/pthread-wmm/mix046.opt.i[944,957] [2022-12-13 13:29:12,471 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,471 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,481 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,481 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,486 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,486 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:29:12,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:29:12,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:29:12,542 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:29:12,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12 WrapperNode [2022-12-13 13:29:12,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:29:12,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:29:12,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:29:12,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:29:12,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,591 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 166 [2022-12-13 13:29:12,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:29:12,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:29:12,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:29:12,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:29:12,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:29:12,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:29:12,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:29:12,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:29:12,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (1/1) ... [2022-12-13 13:29:12,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:29:12,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:29:12,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:29:12,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:29:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:29:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 13:29:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:29:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:29:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:29:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 13:29:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 13:29:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 13:29:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 13:29:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 13:29:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 13:29:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 13:29:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 13:29:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:29:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 13:29:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:29:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:29:12,679 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 13:29:12,788 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:29:12,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:29:13,059 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:29:13,138 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:29:13,138 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:29:13,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:29:13 BoogieIcfgContainer [2022-12-13 13:29:13,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:29:13,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:29:13,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:29:13,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:29:13,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:29:12" (1/3) ... [2022-12-13 13:29:13,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164628e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:29:13, skipping insertion in model container [2022-12-13 13:29:13,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:29:12" (2/3) ... [2022-12-13 13:29:13,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164628e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:29:13, skipping insertion in model container [2022-12-13 13:29:13,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:29:13" (3/3) ... [2022-12-13 13:29:13,147 INFO L112 eAbstractionObserver]: Analyzing ICFG mix046.opt.i [2022-12-13 13:29:13,154 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:29:13,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:29:13,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:29:13,162 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:29:13,206 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 13:29:13,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 294 flow [2022-12-13 13:29:13,274 INFO L130 PetriNetUnfolder]: 2/133 cut-off events. [2022-12-13 13:29:13,274 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:29:13,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2022-12-13 13:29:13,279 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 137 transitions, 294 flow [2022-12-13 13:29:13,282 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 133 transitions, 278 flow [2022-12-13 13:29:13,285 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:29:13,292 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 133 transitions, 278 flow [2022-12-13 13:29:13,294 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 133 transitions, 278 flow [2022-12-13 13:29:13,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 133 transitions, 278 flow [2022-12-13 13:29:13,316 INFO L130 PetriNetUnfolder]: 2/133 cut-off events. [2022-12-13 13:29:13,316 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:29:13,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2022-12-13 13:29:13,318 INFO L119 LiptonReduction]: Number of co-enabled transitions 3168 [2022-12-13 13:29:16,309 INFO L134 LiptonReduction]: Checked pairs total: 8036 [2022-12-13 13:29:16,310 INFO L136 LiptonReduction]: Total number of compositions: 116 [2022-12-13 13:29:16,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:29:16,324 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@dff888d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:29:16,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 13:29:16,328 INFO L130 PetriNetUnfolder]: 0/17 cut-off events. [2022-12-13 13:29:16,328 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:29:16,328 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:16,329 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:16,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:16,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:16,333 INFO L85 PathProgramCache]: Analyzing trace with hash 659710397, now seen corresponding path program 1 times [2022-12-13 13:29:16,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:16,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607791707] [2022-12-13 13:29:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:16,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:16,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:16,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607791707] [2022-12-13 13:29:16,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607791707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:16,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:16,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 13:29:16,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247005173] [2022-12-13 13:29:16,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:16,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:29:16,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:16,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:29:16,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:29:16,676 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 253 [2022-12-13 13:29:16,678 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:16,678 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:16,678 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 253 [2022-12-13 13:29:16,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:17,243 INFO L130 PetriNetUnfolder]: 2891/4523 cut-off events. [2022-12-13 13:29:17,243 INFO L131 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2022-12-13 13:29:17,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8623 conditions, 4523 events. 2891/4523 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 27013 event pairs, 668 based on Foata normal form. 144/4366 useless extension candidates. Maximal degree in co-relation 8611. Up to 2980 conditions per place. [2022-12-13 13:29:17,264 INFO L137 encePairwiseOnDemand]: 249/253 looper letters, 31 selfloop transitions, 2 changer transitions 4/42 dead transitions. [2022-12-13 13:29:17,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 42 transitions, 170 flow [2022-12-13 13:29:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:29:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:29:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2022-12-13 13:29:17,276 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.538866930171278 [2022-12-13 13:29:17,276 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 409 transitions. [2022-12-13 13:29:17,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 409 transitions. [2022-12-13 13:29:17,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:17,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 409 transitions. [2022-12-13 13:29:17,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:17,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:17,290 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:17,292 INFO L175 Difference]: Start difference. First operand has 43 places, 31 transitions, 74 flow. Second operand 3 states and 409 transitions. [2022-12-13 13:29:17,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 42 transitions, 170 flow [2022-12-13 13:29:17,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 166 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 13:29:17,297 INFO L231 Difference]: Finished difference. Result has 40 places, 27 transitions, 66 flow [2022-12-13 13:29:17,299 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=40, PETRI_TRANSITIONS=27} [2022-12-13 13:29:17,302 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2022-12-13 13:29:17,302 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 66 flow [2022-12-13 13:29:17,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:17,303 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:17,303 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:17,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:29:17,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:17,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:17,304 INFO L85 PathProgramCache]: Analyzing trace with hash -335431026, now seen corresponding path program 1 times [2022-12-13 13:29:17,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:17,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812803846] [2022-12-13 13:29:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:17,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:17,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:17,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812803846] [2022-12-13 13:29:17,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812803846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:17,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:17,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:29:17,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659788370] [2022-12-13 13:29:17,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:17,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:29:17,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:17,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:29:17,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:29:17,805 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 253 [2022-12-13 13:29:17,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 66 flow. Second operand has 5 states, 5 states have (on average 112.4) internal successors, (562), 5 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:17,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:17,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 253 [2022-12-13 13:29:17,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:18,843 INFO L130 PetriNetUnfolder]: 7831/10848 cut-off events. [2022-12-13 13:29:18,843 INFO L131 PetriNetUnfolder]: For 208/208 co-relation queries the response was YES. [2022-12-13 13:29:18,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22094 conditions, 10848 events. 7831/10848 cut-off events. For 208/208 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 54655 event pairs, 1655 based on Foata normal form. 512/11344 useless extension candidates. Maximal degree in co-relation 22084. Up to 5665 conditions per place. [2022-12-13 13:29:18,887 INFO L137 encePairwiseOnDemand]: 242/253 looper letters, 41 selfloop transitions, 9 changer transitions 35/86 dead transitions. [2022-12-13 13:29:18,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 356 flow [2022-12-13 13:29:18,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:29:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 13:29:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 858 transitions. [2022-12-13 13:29:18,891 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.484472049689441 [2022-12-13 13:29:18,891 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 858 transitions. [2022-12-13 13:29:18,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 858 transitions. [2022-12-13 13:29:18,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:18,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 858 transitions. [2022-12-13 13:29:18,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 122.57142857142857) internal successors, (858), 7 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:18,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:18,896 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:18,896 INFO L175 Difference]: Start difference. First operand has 40 places, 27 transitions, 66 flow. Second operand 7 states and 858 transitions. [2022-12-13 13:29:18,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 356 flow [2022-12-13 13:29:18,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 86 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 13:29:18,901 INFO L231 Difference]: Finished difference. Result has 48 places, 34 transitions, 148 flow [2022-12-13 13:29:18,901 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=148, PETRI_PLACES=48, PETRI_TRANSITIONS=34} [2022-12-13 13:29:18,901 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 5 predicate places. [2022-12-13 13:29:18,901 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 34 transitions, 148 flow [2022-12-13 13:29:18,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.4) internal successors, (562), 5 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:18,902 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:18,902 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:18,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:29:18,902 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:18,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:18,903 INFO L85 PathProgramCache]: Analyzing trace with hash -103762628, now seen corresponding path program 1 times [2022-12-13 13:29:18,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:18,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736598812] [2022-12-13 13:29:18,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:18,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:19,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:19,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736598812] [2022-12-13 13:29:19,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736598812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:19,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:19,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:29:19,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485897414] [2022-12-13 13:29:19,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:19,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:29:19,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:19,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:29:19,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:29:19,284 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 253 [2022-12-13 13:29:19,286 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 34 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 112.8) internal successors, (564), 5 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) [2022-12-13 13:29:19,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:19,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 253 [2022-12-13 13:29:19,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:20,319 INFO L130 PetriNetUnfolder]: 7525/10786 cut-off events. [2022-12-13 13:29:20,319 INFO L131 PetriNetUnfolder]: For 10820/10820 co-relation queries the response was YES. [2022-12-13 13:29:20,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31668 conditions, 10786 events. 7525/10786 cut-off events. For 10820/10820 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 58508 event pairs, 939 based on Foata normal form. 380/11166 useless extension candidates. Maximal degree in co-relation 31652. Up to 6869 conditions per place. [2022-12-13 13:29:20,357 INFO L137 encePairwiseOnDemand]: 241/253 looper letters, 50 selfloop transitions, 18 changer transitions 32/101 dead transitions. [2022-12-13 13:29:20,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 101 transitions, 612 flow [2022-12-13 13:29:20,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:29:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 13:29:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 867 transitions. [2022-12-13 13:29:20,359 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48955392433653305 [2022-12-13 13:29:20,359 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 867 transitions. [2022-12-13 13:29:20,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 867 transitions. [2022-12-13 13:29:20,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:20,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 867 transitions. [2022-12-13 13:29:20,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:20,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:20,363 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:20,363 INFO L175 Difference]: Start difference. First operand has 48 places, 34 transitions, 148 flow. Second operand 7 states and 867 transitions. [2022-12-13 13:29:20,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 101 transitions, 612 flow [2022-12-13 13:29:20,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 101 transitions, 600 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-13 13:29:20,388 INFO L231 Difference]: Finished difference. Result has 54 places, 43 transitions, 265 flow [2022-12-13 13:29:20,388 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=265, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2022-12-13 13:29:20,389 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 11 predicate places. [2022-12-13 13:29:20,389 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 265 flow [2022-12-13 13:29:20,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.8) internal successors, (564), 5 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) [2022-12-13 13:29:20,389 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:20,389 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:20,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:29:20,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:20,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:20,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1078306849, now seen corresponding path program 1 times [2022-12-13 13:29:20,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:20,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822787567] [2022-12-13 13:29:20,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:20,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:21,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:21,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822787567] [2022-12-13 13:29:21,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822787567] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:21,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:21,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:29:21,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415594631] [2022-12-13 13:29:21,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:21,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:29:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:21,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:29:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:29:21,331 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 253 [2022-12-13 13:29:21,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 265 flow. Second operand has 7 states, 7 states have (on average 112.14285714285714) internal successors, (785), 7 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:21,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:21,332 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 253 [2022-12-13 13:29:21,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:22,679 INFO L130 PetriNetUnfolder]: 9853/13707 cut-off events. [2022-12-13 13:29:22,679 INFO L131 PetriNetUnfolder]: For 24073/24266 co-relation queries the response was YES. [2022-12-13 13:29:22,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48662 conditions, 13707 events. 9853/13707 cut-off events. For 24073/24266 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 71506 event pairs, 1533 based on Foata normal form. 493/14190 useless extension candidates. Maximal degree in co-relation 48641. Up to 9327 conditions per place. [2022-12-13 13:29:22,725 INFO L137 encePairwiseOnDemand]: 243/253 looper letters, 90 selfloop transitions, 25 changer transitions 42/161 dead transitions. [2022-12-13 13:29:22,725 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 161 transitions, 1257 flow [2022-12-13 13:29:22,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:29:22,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:29:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1097 transitions. [2022-12-13 13:29:22,728 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48177426438296006 [2022-12-13 13:29:22,728 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1097 transitions. [2022-12-13 13:29:22,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1097 transitions. [2022-12-13 13:29:22,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:22,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1097 transitions. [2022-12-13 13:29:22,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 121.88888888888889) internal successors, (1097), 9 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:22,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 253.0) internal successors, (2530), 10 states have internal predecessors, (2530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:22,733 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 253.0) internal successors, (2530), 10 states have internal predecessors, (2530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:22,733 INFO L175 Difference]: Start difference. First operand has 54 places, 43 transitions, 265 flow. Second operand 9 states and 1097 transitions. [2022-12-13 13:29:22,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 161 transitions, 1257 flow [2022-12-13 13:29:22,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 161 transitions, 1247 flow, removed 5 selfloop flow, removed 4 redundant places. [2022-12-13 13:29:22,795 INFO L231 Difference]: Finished difference. Result has 62 places, 69 transitions, 559 flow [2022-12-13 13:29:22,795 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=559, PETRI_PLACES=62, PETRI_TRANSITIONS=69} [2022-12-13 13:29:22,796 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 19 predicate places. [2022-12-13 13:29:22,796 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 69 transitions, 559 flow [2022-12-13 13:29:22,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 112.14285714285714) internal successors, (785), 7 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:22,796 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:22,796 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:22,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:29:22,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:22,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:22,797 INFO L85 PathProgramCache]: Analyzing trace with hash -203808281, now seen corresponding path program 2 times [2022-12-13 13:29:22,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:22,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242635004] [2022-12-13 13:29:22,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:22,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:23,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:23,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242635004] [2022-12-13 13:29:23,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242635004] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:23,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:23,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:29:23,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311453643] [2022-12-13 13:29:23,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:23,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:29:23,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:23,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:29:23,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:29:23,164 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 253 [2022-12-13 13:29:23,165 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 69 transitions, 559 flow. Second operand has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:23,165 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:23,165 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 253 [2022-12-13 13:29:23,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:24,431 INFO L130 PetriNetUnfolder]: 7833/11446 cut-off events. [2022-12-13 13:29:24,432 INFO L131 PetriNetUnfolder]: For 30865/31521 co-relation queries the response was YES. [2022-12-13 13:29:24,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45136 conditions, 11446 events. 7833/11446 cut-off events. For 30865/31521 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 66066 event pairs, 2094 based on Foata normal form. 797/12045 useless extension candidates. Maximal degree in co-relation 45110. Up to 7308 conditions per place. [2022-12-13 13:29:24,494 INFO L137 encePairwiseOnDemand]: 247/253 looper letters, 66 selfloop transitions, 13 changer transitions 21/115 dead transitions. [2022-12-13 13:29:24,494 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 115 transitions, 1005 flow [2022-12-13 13:29:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:29:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:29:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 783 transitions. [2022-12-13 13:29:24,496 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5158102766798419 [2022-12-13 13:29:24,496 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 783 transitions. [2022-12-13 13:29:24,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 783 transitions. [2022-12-13 13:29:24,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:24,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 783 transitions. [2022-12-13 13:29:24,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.5) internal successors, (783), 6 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:24,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:24,500 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:24,500 INFO L175 Difference]: Start difference. First operand has 62 places, 69 transitions, 559 flow. Second operand 6 states and 783 transitions. [2022-12-13 13:29:24,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 115 transitions, 1005 flow [2022-12-13 13:29:24,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 115 transitions, 981 flow, removed 12 selfloop flow, removed 2 redundant places. [2022-12-13 13:29:24,639 INFO L231 Difference]: Finished difference. Result has 66 places, 75 transitions, 638 flow [2022-12-13 13:29:24,639 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=66, PETRI_TRANSITIONS=75} [2022-12-13 13:29:24,640 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 23 predicate places. [2022-12-13 13:29:24,640 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 75 transitions, 638 flow [2022-12-13 13:29:24,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:24,640 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:24,640 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:24,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:29:24,641 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:24,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:24,641 INFO L85 PathProgramCache]: Analyzing trace with hash -336073855, now seen corresponding path program 1 times [2022-12-13 13:29:24,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:24,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139713297] [2022-12-13 13:29:24,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:24,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:25,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:25,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:25,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139713297] [2022-12-13 13:29:25,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139713297] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:25,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:25,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:29:25,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365386754] [2022-12-13 13:29:25,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:25,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:29:25,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:25,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:29:25,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:29:25,051 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 253 [2022-12-13 13:29:25,052 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 75 transitions, 638 flow. Second operand has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:25,052 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:25,053 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 253 [2022-12-13 13:29:25,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:26,263 INFO L130 PetriNetUnfolder]: 7662/11247 cut-off events. [2022-12-13 13:29:26,264 INFO L131 PetriNetUnfolder]: For 36114/36778 co-relation queries the response was YES. [2022-12-13 13:29:26,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47347 conditions, 11247 events. 7662/11247 cut-off events. For 36114/36778 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 65516 event pairs, 1742 based on Foata normal form. 386/11451 useless extension candidates. Maximal degree in co-relation 47317. Up to 6853 conditions per place. [2022-12-13 13:29:26,313 INFO L137 encePairwiseOnDemand]: 245/253 looper letters, 77 selfloop transitions, 26 changer transitions 19/137 dead transitions. [2022-12-13 13:29:26,313 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 137 transitions, 1292 flow [2022-12-13 13:29:26,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:29:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 13:29:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 908 transitions. [2022-12-13 13:29:26,315 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.51270468661773 [2022-12-13 13:29:26,316 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 908 transitions. [2022-12-13 13:29:26,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 908 transitions. [2022-12-13 13:29:26,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:26,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 908 transitions. [2022-12-13 13:29:26,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 129.71428571428572) internal successors, (908), 7 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:26,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:26,319 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:26,319 INFO L175 Difference]: Start difference. First operand has 66 places, 75 transitions, 638 flow. Second operand 7 states and 908 transitions. [2022-12-13 13:29:26,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 137 transitions, 1292 flow [2022-12-13 13:29:26,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 137 transitions, 1273 flow, removed 7 selfloop flow, removed 2 redundant places. [2022-12-13 13:29:26,421 INFO L231 Difference]: Finished difference. Result has 72 places, 90 transitions, 876 flow [2022-12-13 13:29:26,421 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=876, PETRI_PLACES=72, PETRI_TRANSITIONS=90} [2022-12-13 13:29:26,422 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 29 predicate places. [2022-12-13 13:29:26,422 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 90 transitions, 876 flow [2022-12-13 13:29:26,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:26,422 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:26,422 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:26,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:29:26,423 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:26,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:26,423 INFO L85 PathProgramCache]: Analyzing trace with hash -459408595, now seen corresponding path program 2 times [2022-12-13 13:29:26,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:26,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628394774] [2022-12-13 13:29:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:26,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:26,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:26,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628394774] [2022-12-13 13:29:26,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628394774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:26,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:26,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:29:26,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133128575] [2022-12-13 13:29:26,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:26,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:29:26,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:26,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:29:26,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:29:26,758 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 253 [2022-12-13 13:29:26,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 90 transitions, 876 flow. Second operand has 7 states, 7 states have (on average 121.14285714285714) internal successors, (848), 7 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:26,759 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:26,759 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 253 [2022-12-13 13:29:26,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:28,201 INFO L130 PetriNetUnfolder]: 7914/11647 cut-off events. [2022-12-13 13:29:28,201 INFO L131 PetriNetUnfolder]: For 54587/55266 co-relation queries the response was YES. [2022-12-13 13:29:28,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53846 conditions, 11647 events. 7914/11647 cut-off events. For 54587/55266 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 68460 event pairs, 1818 based on Foata normal form. 396/11861 useless extension candidates. Maximal degree in co-relation 53812. Up to 7135 conditions per place. [2022-12-13 13:29:28,275 INFO L137 encePairwiseOnDemand]: 245/253 looper letters, 79 selfloop transitions, 36 changer transitions 11/141 dead transitions. [2022-12-13 13:29:28,275 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 141 transitions, 1546 flow [2022-12-13 13:29:28,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:29:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:29:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 774 transitions. [2022-12-13 13:29:28,278 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5098814229249012 [2022-12-13 13:29:28,278 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 774 transitions. [2022-12-13 13:29:28,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 774 transitions. [2022-12-13 13:29:28,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:28,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 774 transitions. [2022-12-13 13:29:28,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:28,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:28,282 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:28,282 INFO L175 Difference]: Start difference. First operand has 72 places, 90 transitions, 876 flow. Second operand 6 states and 774 transitions. [2022-12-13 13:29:28,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 141 transitions, 1546 flow [2022-12-13 13:29:28,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 141 transitions, 1499 flow, removed 13 selfloop flow, removed 2 redundant places. [2022-12-13 13:29:28,419 INFO L231 Difference]: Finished difference. Result has 75 places, 107 transitions, 1191 flow [2022-12-13 13:29:28,419 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1191, PETRI_PLACES=75, PETRI_TRANSITIONS=107} [2022-12-13 13:29:28,419 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 32 predicate places. [2022-12-13 13:29:28,419 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 107 transitions, 1191 flow [2022-12-13 13:29:28,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 121.14285714285714) internal successors, (848), 7 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:28,420 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:28,420 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:28,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:29:28,420 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:28,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:28,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1852670915, now seen corresponding path program 3 times [2022-12-13 13:29:28,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:28,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956213626] [2022-12-13 13:29:28,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:28,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:29,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:29,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956213626] [2022-12-13 13:29:29,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956213626] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:29,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:29,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:29:29,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613825161] [2022-12-13 13:29:29,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:29,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:29:29,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:29,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:29:29,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:29:29,350 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 253 [2022-12-13 13:29:29,351 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 107 transitions, 1191 flow. Second operand has 8 states, 8 states have (on average 109.0) internal successors, (872), 8 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:29,351 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:29,351 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 253 [2022-12-13 13:29:29,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:31,285 INFO L130 PetriNetUnfolder]: 12081/16814 cut-off events. [2022-12-13 13:29:31,285 INFO L131 PetriNetUnfolder]: For 79726/79726 co-relation queries the response was YES. [2022-12-13 13:29:31,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78538 conditions, 16814 events. 12081/16814 cut-off events. For 79726/79726 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 88141 event pairs, 775 based on Foata normal form. 472/17286 useless extension candidates. Maximal degree in co-relation 78502. Up to 8426 conditions per place. [2022-12-13 13:29:31,360 INFO L137 encePairwiseOnDemand]: 240/253 looper letters, 112 selfloop transitions, 84 changer transitions 44/240 dead transitions. [2022-12-13 13:29:31,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 240 transitions, 2756 flow [2022-12-13 13:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 13:29:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-13 13:29:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1198 transitions. [2022-12-13 13:29:31,363 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4735177865612648 [2022-12-13 13:29:31,364 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1198 transitions. [2022-12-13 13:29:31,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1198 transitions. [2022-12-13 13:29:31,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:31,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1198 transitions. [2022-12-13 13:29:31,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 119.8) internal successors, (1198), 10 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:31,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 253.0) internal successors, (2783), 11 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:31,368 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 253.0) internal successors, (2783), 11 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:31,369 INFO L175 Difference]: Start difference. First operand has 75 places, 107 transitions, 1191 flow. Second operand 10 states and 1198 transitions. [2022-12-13 13:29:31,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 240 transitions, 2756 flow [2022-12-13 13:29:31,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 240 transitions, 2656 flow, removed 50 selfloop flow, removed 3 redundant places. [2022-12-13 13:29:31,737 INFO L231 Difference]: Finished difference. Result has 88 places, 146 transitions, 1968 flow [2022-12-13 13:29:31,737 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=1133, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1968, PETRI_PLACES=88, PETRI_TRANSITIONS=146} [2022-12-13 13:29:31,738 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 45 predicate places. [2022-12-13 13:29:31,738 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 146 transitions, 1968 flow [2022-12-13 13:29:31,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 109.0) internal successors, (872), 8 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:31,738 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:31,738 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:31,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 13:29:31,739 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:31,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:31,739 INFO L85 PathProgramCache]: Analyzing trace with hash 581772868, now seen corresponding path program 1 times [2022-12-13 13:29:31,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:31,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857985518] [2022-12-13 13:29:31,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:32,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:32,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857985518] [2022-12-13 13:29:32,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857985518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:32,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:32,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:29:32,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690970564] [2022-12-13 13:29:32,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:32,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:29:32,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:32,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:29:32,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:29:32,254 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 253 [2022-12-13 13:29:32,256 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 146 transitions, 1968 flow. Second operand has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:32,256 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:32,256 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 253 [2022-12-13 13:29:32,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:34,122 INFO L130 PetriNetUnfolder]: 9649/14223 cut-off events. [2022-12-13 13:29:34,123 INFO L131 PetriNetUnfolder]: For 109054/109862 co-relation queries the response was YES. [2022-12-13 13:29:34,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78534 conditions, 14223 events. 9649/14223 cut-off events. For 109054/109862 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 85908 event pairs, 1327 based on Foata normal form. 426/14474 useless extension candidates. Maximal degree in co-relation 78491. Up to 6741 conditions per place. [2022-12-13 13:29:34,231 INFO L137 encePairwiseOnDemand]: 246/253 looper letters, 94 selfloop transitions, 54 changer transitions 14/194 dead transitions. [2022-12-13 13:29:34,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 194 transitions, 2646 flow [2022-12-13 13:29:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:29:34,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 13:29:34,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 908 transitions. [2022-12-13 13:29:34,234 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.51270468661773 [2022-12-13 13:29:34,234 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 908 transitions. [2022-12-13 13:29:34,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 908 transitions. [2022-12-13 13:29:34,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:34,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 908 transitions. [2022-12-13 13:29:34,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 129.71428571428572) internal successors, (908), 7 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:34,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:34,238 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:34,238 INFO L175 Difference]: Start difference. First operand has 88 places, 146 transitions, 1968 flow. Second operand 7 states and 908 transitions. [2022-12-13 13:29:34,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 194 transitions, 2646 flow [2022-12-13 13:29:34,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 194 transitions, 2579 flow, removed 33 selfloop flow, removed 2 redundant places. [2022-12-13 13:29:34,621 INFO L231 Difference]: Finished difference. Result has 92 places, 151 transitions, 2184 flow [2022-12-13 13:29:34,621 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=1907, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2184, PETRI_PLACES=92, PETRI_TRANSITIONS=151} [2022-12-13 13:29:34,622 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 49 predicate places. [2022-12-13 13:29:34,622 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 151 transitions, 2184 flow [2022-12-13 13:29:34,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:34,622 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:34,622 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:34,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 13:29:34,623 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:34,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1773087562, now seen corresponding path program 2 times [2022-12-13 13:29:34,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:34,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617387309] [2022-12-13 13:29:34,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:34,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:35,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:35,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617387309] [2022-12-13 13:29:35,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617387309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:35,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:35,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:29:35,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292857587] [2022-12-13 13:29:35,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:35,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:29:35,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:35,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:29:35,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:29:35,301 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 253 [2022-12-13 13:29:35,303 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 151 transitions, 2184 flow. Second operand has 8 states, 8 states have (on average 110.125) internal successors, (881), 8 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:35,303 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:35,303 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 253 [2022-12-13 13:29:35,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:37,314 INFO L130 PetriNetUnfolder]: 12149/16906 cut-off events. [2022-12-13 13:29:37,315 INFO L131 PetriNetUnfolder]: For 126243/126243 co-relation queries the response was YES. [2022-12-13 13:29:37,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93968 conditions, 16906 events. 12149/16906 cut-off events. For 126243/126243 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 88217 event pairs, 1563 based on Foata normal form. 192/17098 useless extension candidates. Maximal degree in co-relation 93922. Up to 7393 conditions per place. [2022-12-13 13:29:37,417 INFO L137 encePairwiseOnDemand]: 242/253 looper letters, 181 selfloop transitions, 45 changer transitions 22/248 dead transitions. [2022-12-13 13:29:37,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 248 transitions, 3430 flow [2022-12-13 13:29:37,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 13:29:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-13 13:29:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1194 transitions. [2022-12-13 13:29:37,420 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47193675889328063 [2022-12-13 13:29:37,420 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1194 transitions. [2022-12-13 13:29:37,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1194 transitions. [2022-12-13 13:29:37,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:37,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1194 transitions. [2022-12-13 13:29:37,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 119.4) internal successors, (1194), 10 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:37,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 253.0) internal successors, (2783), 11 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:37,425 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 253.0) internal successors, (2783), 11 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:37,425 INFO L175 Difference]: Start difference. First operand has 92 places, 151 transitions, 2184 flow. Second operand 10 states and 1194 transitions. [2022-12-13 13:29:37,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 248 transitions, 3430 flow [2022-12-13 13:29:37,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 248 transitions, 3329 flow, removed 22 selfloop flow, removed 5 redundant places. [2022-12-13 13:29:37,992 INFO L231 Difference]: Finished difference. Result has 100 places, 156 transitions, 2304 flow [2022-12-13 13:29:37,992 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=2093, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2304, PETRI_PLACES=100, PETRI_TRANSITIONS=156} [2022-12-13 13:29:37,993 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 57 predicate places. [2022-12-13 13:29:37,993 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 156 transitions, 2304 flow [2022-12-13 13:29:37,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 110.125) internal successors, (881), 8 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:37,993 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:37,993 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:37,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 13:29:37,993 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:37,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:37,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1855839028, now seen corresponding path program 1 times [2022-12-13 13:29:37,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:37,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302891922] [2022-12-13 13:29:37,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:37,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:38,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:38,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302891922] [2022-12-13 13:29:38,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302891922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:38,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:38,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:29:38,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90837843] [2022-12-13 13:29:38,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:38,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:29:38,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:38,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:29:38,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:29:38,079 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 253 [2022-12-13 13:29:38,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 156 transitions, 2304 flow. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:38,079 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:38,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 253 [2022-12-13 13:29:38,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:38,556 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L858-->L864: Formula: (let ((.cse4 (not (= (mod v_~z$r_buff1_thd0~0_58 256) 0))) (.cse3 (not (= (mod v_~z$w_buff0_used~0_107 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd0~0_62 256) 0)))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and (not (= (mod v_~z$w_buff0_used~0_108 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_93 256) 0)) .cse4))) (and (= (ite .cse0 0 v_~z$r_buff0_thd0~0_62) v_~z$r_buff0_thd0~0_61) (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_93) v_~z$w_buff1_used~0_92) (= (ite .cse2 0 v_~z$w_buff0_used~0_108) v_~z$w_buff0_used~0_107) (= (ite .cse2 v_~z$w_buff0~0_52 (ite .cse1 v_~z$w_buff1~0_53 v_~z~0_60)) v_~z~0_59) (= (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd0~0_61 256) 0))) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_92 256) 0)))) 0 v_~z$r_buff1_thd0~0_58) v_~z$r_buff1_thd0~0_57)))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_62, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_108, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_58, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_93, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_60} OutVars{~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_61, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_107, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_57, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_92, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_59} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0][115], [44#L822true, 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 50#L786true, Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 105#$Ultimate##0true, Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 120#L864true, 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0)))]) [2022-12-13 13:29:38,556 INFO L383 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,556 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,556 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,556 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,557 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][118], [314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 50#L786true, Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 186#true, Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 105#$Ultimate##0true, Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), 291#true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,557 INFO L383 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,557 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,557 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,557 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,557 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][96], [44#L822true, 314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 186#true, Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 105#$Ultimate##0true, Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), 141#L793true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,558 INFO L383 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,558 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,558 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,558 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-12-13 13:29:38,608 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][118], [314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), 291#true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,608 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,609 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,609 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,609 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,609 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][118], [314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), 77#L853-3true, Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 291#true, Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,609 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,609 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,609 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,609 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,610 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][96], [44#L822true, 314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 141#L793true, Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,610 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,610 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,610 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,610 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,610 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][96], [44#L822true, 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), 77#L853-3true, Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 141#L793true, Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,610 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,610 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,610 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,610 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,654 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L858-->L864: Formula: (let ((.cse4 (not (= (mod v_~z$r_buff1_thd0~0_58 256) 0))) (.cse3 (not (= (mod v_~z$w_buff0_used~0_107 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd0~0_62 256) 0)))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and (not (= (mod v_~z$w_buff0_used~0_108 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_93 256) 0)) .cse4))) (and (= (ite .cse0 0 v_~z$r_buff0_thd0~0_62) v_~z$r_buff0_thd0~0_61) (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_93) v_~z$w_buff1_used~0_92) (= (ite .cse2 0 v_~z$w_buff0_used~0_108) v_~z$w_buff0_used~0_107) (= (ite .cse2 v_~z$w_buff0~0_52 (ite .cse1 v_~z$w_buff1~0_53 v_~z~0_60)) v_~z~0_59) (= (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd0~0_61 256) 0))) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_92 256) 0)))) 0 v_~z$r_buff1_thd0~0_58) v_~z$r_buff1_thd0~0_57)))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_62, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_108, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_58, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_93, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_60} OutVars{~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_61, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_107, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_57, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_92, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_59} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0][115], [314#true, 44#L822true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 133#L753true, 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 120#L864true, 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0)))]) [2022-12-13 13:29:38,654 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,654 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,654 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,654 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,654 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][118], [314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 133#L753true, 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 291#true, Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 173#(= ~y~0 0), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,655 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,655 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,655 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,655 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,655 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][96], [314#true, 44#L822true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 186#true, 133#L753true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 141#L793true, Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,655 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,655 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,655 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,655 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:38,706 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L858-->L864: Formula: (let ((.cse4 (not (= (mod v_~z$r_buff1_thd0~0_58 256) 0))) (.cse3 (not (= (mod v_~z$w_buff0_used~0_107 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd0~0_62 256) 0)))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and (not (= (mod v_~z$w_buff0_used~0_108 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_93 256) 0)) .cse4))) (and (= (ite .cse0 0 v_~z$r_buff0_thd0~0_62) v_~z$r_buff0_thd0~0_61) (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_93) v_~z$w_buff1_used~0_92) (= (ite .cse2 0 v_~z$w_buff0_used~0_108) v_~z$w_buff0_used~0_107) (= (ite .cse2 v_~z$w_buff0~0_52 (ite .cse1 v_~z$w_buff1~0_53 v_~z~0_60)) v_~z~0_59) (= (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd0~0_61 256) 0))) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_92 256) 0)))) 0 v_~z$r_buff1_thd0~0_58) v_~z$r_buff1_thd0~0_57)))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_62, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_108, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_58, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_93, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_60} OutVars{~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_61, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_107, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_57, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_92, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_59} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0][115], [44#L822true, 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 50#L786true, Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 186#true, Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, 120#L864true, 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0)))]) [2022-12-13 13:29:38,707 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,707 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,707 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,707 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([331] L858-->L864: Formula: (let ((.cse4 (not (= (mod v_~z$r_buff1_thd0~0_58 256) 0))) (.cse3 (not (= (mod v_~z$w_buff0_used~0_107 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd0~0_62 256) 0)))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and (not (= (mod v_~z$w_buff0_used~0_108 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_93 256) 0)) .cse4))) (and (= (ite .cse0 0 v_~z$r_buff0_thd0~0_62) v_~z$r_buff0_thd0~0_61) (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_93) v_~z$w_buff1_used~0_92) (= (ite .cse2 0 v_~z$w_buff0_used~0_108) v_~z$w_buff0_used~0_107) (= (ite .cse2 v_~z$w_buff0~0_52 (ite .cse1 v_~z$w_buff1~0_53 v_~z~0_60)) v_~z~0_59) (= (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd0~0_61 256) 0))) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_92 256) 0)))) 0 v_~z$r_buff1_thd0~0_58) v_~z$r_buff1_thd0~0_57)))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_62, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_108, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_58, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_93, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_60} OutVars{~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_61, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_107, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_57, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_92, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_59} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0][115], [314#true, 44#L822true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 50#L786true, Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), 155#true, Black: 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, 120#L864true, 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0)))]) [2022-12-13 13:29:38,711 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][118], [314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 50#L786true, Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 171#true, 116#P0EXITtrue, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 291#true, Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 173#(= ~y~0 0), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,711 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,711 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,712 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][96], [314#true, 44#L822true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), 141#L793true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,712 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,712 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,712 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,712 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,712 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,743 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L858-->L864: Formula: (let ((.cse4 (not (= (mod v_~z$r_buff1_thd0~0_58 256) 0))) (.cse3 (not (= (mod v_~z$w_buff0_used~0_107 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd0~0_62 256) 0)))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and (not (= (mod v_~z$w_buff0_used~0_108 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_93 256) 0)) .cse4))) (and (= (ite .cse0 0 v_~z$r_buff0_thd0~0_62) v_~z$r_buff0_thd0~0_61) (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_93) v_~z$w_buff1_used~0_92) (= (ite .cse2 0 v_~z$w_buff0_used~0_108) v_~z$w_buff0_used~0_107) (= (ite .cse2 v_~z$w_buff0~0_52 (ite .cse1 v_~z$w_buff1~0_53 v_~z~0_60)) v_~z~0_59) (= (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd0~0_61 256) 0))) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_92 256) 0)))) 0 v_~z$r_buff1_thd0~0_58) v_~z$r_buff1_thd0~0_57)))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_62, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_108, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_58, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_93, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_60} OutVars{~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_61, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_107, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_57, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_92, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_59} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0][115], [44#L822true, 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 186#true, Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 120#L864true, 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 117#L756true, 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0)))]) [2022-12-13 13:29:38,743 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,743 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,743 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,743 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,743 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][118], [314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 186#true, Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 117#L756true, 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), 291#true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 173#(= ~y~0 0), 12#L829true, Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,743 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,743 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,744 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,744 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,744 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][96], [314#true, 44#L822true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 117#L756true, 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 141#L793true, Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,744 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,744 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,744 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,744 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:38,818 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L858-->L864: Formula: (let ((.cse4 (not (= (mod v_~z$r_buff1_thd0~0_58 256) 0))) (.cse3 (not (= (mod v_~z$w_buff0_used~0_107 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd0~0_62 256) 0)))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and (not (= (mod v_~z$w_buff0_used~0_108 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_93 256) 0)) .cse4))) (and (= (ite .cse0 0 v_~z$r_buff0_thd0~0_62) v_~z$r_buff0_thd0~0_61) (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_93) v_~z$w_buff1_used~0_92) (= (ite .cse2 0 v_~z$w_buff0_used~0_108) v_~z$w_buff0_used~0_107) (= (ite .cse2 v_~z$w_buff0~0_52 (ite .cse1 v_~z$w_buff1~0_53 v_~z~0_60)) v_~z~0_59) (= (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd0~0_61 256) 0))) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_92 256) 0)))) 0 v_~z$r_buff1_thd0~0_58) v_~z$r_buff1_thd0~0_57)))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_62, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_108, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_58, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_93, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_60} OutVars{~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_61, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_107, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_57, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_92, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_59} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0][115], [44#L822true, 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 50#L786true, Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 186#true, Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), 155#true, Black: 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 120#L864true, 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 116#P0EXITtrue, 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0)))]) [2022-12-13 13:29:38,819 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,819 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,819 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,819 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,819 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][118], [314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 50#L786true, Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 116#P0EXITtrue, 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), 291#true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,819 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,819 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,819 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,819 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,820 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][96], [314#true, 44#L822true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), 155#true, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P3Thread1of1ForFork0InUse, Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 116#P0EXITtrue, 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 141#L793true, Black: 298#(<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 306#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0))]) [2022-12-13 13:29:38,820 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,820 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,820 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:38,820 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,078 INFO L130 PetriNetUnfolder]: 5370/8128 cut-off events. [2022-12-13 13:29:39,079 INFO L131 PetriNetUnfolder]: For 89547/90775 co-relation queries the response was YES. [2022-12-13 13:29:39,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47917 conditions, 8128 events. 5370/8128 cut-off events. For 89547/90775 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 49641 event pairs, 1096 based on Foata normal form. 492/8172 useless extension candidates. Maximal degree in co-relation 47868. Up to 6377 conditions per place. [2022-12-13 13:29:39,126 INFO L137 encePairwiseOnDemand]: 247/253 looper letters, 158 selfloop transitions, 5 changer transitions 0/207 dead transitions. [2022-12-13 13:29:39,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 207 transitions, 3398 flow [2022-12-13 13:29:39,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:29:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:29:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2022-12-13 13:29:39,127 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5217391304347826 [2022-12-13 13:29:39,127 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 396 transitions. [2022-12-13 13:29:39,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 396 transitions. [2022-12-13 13:29:39,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:39,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 396 transitions. [2022-12-13 13:29:39,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:39,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:39,129 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:39,129 INFO L175 Difference]: Start difference. First operand has 100 places, 156 transitions, 2304 flow. Second operand 3 states and 396 transitions. [2022-12-13 13:29:39,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 207 transitions, 3398 flow [2022-12-13 13:29:39,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 207 transitions, 3259 flow, removed 21 selfloop flow, removed 7 redundant places. [2022-12-13 13:29:39,260 INFO L231 Difference]: Finished difference. Result has 94 places, 159 transitions, 2220 flow [2022-12-13 13:29:39,260 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=2187, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2220, PETRI_PLACES=94, PETRI_TRANSITIONS=159} [2022-12-13 13:29:39,261 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 51 predicate places. [2022-12-13 13:29:39,261 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 159 transitions, 2220 flow [2022-12-13 13:29:39,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:39,261 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:39,261 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:39,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 13:29:39,261 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:39,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:39,261 INFO L85 PathProgramCache]: Analyzing trace with hash -499730146, now seen corresponding path program 1 times [2022-12-13 13:29:39,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:39,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275101304] [2022-12-13 13:29:39,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:39,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:39,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:39,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275101304] [2022-12-13 13:29:39,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275101304] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:39,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:39,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:29:39,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991067980] [2022-12-13 13:29:39,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:39,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:29:39,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:39,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:29:39,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:29:39,349 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 253 [2022-12-13 13:29:39,349 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 159 transitions, 2220 flow. Second operand has 4 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:39,350 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:39,350 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 253 [2022-12-13 13:29:39,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:39,686 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][119], [322#(<= ~__unbuffered_cnt~0 1), 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), 77#L853-3true, Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 316#(= ~__unbuffered_cnt~0 0)]) [2022-12-13 13:29:39,686 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 13:29:39,686 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:39,686 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:39,687 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:39,687 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][99], [322#(<= ~__unbuffered_cnt~0 1), 44#L822true, 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 82#L771true, Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, Black: 157#(= ~__unbuffered_p3_EAX~0 0), 77#L853-3true, Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), 141#L793true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 316#(= ~__unbuffered_cnt~0 0)]) [2022-12-13 13:29:39,687 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 13:29:39,687 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:39,687 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:39,687 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 13:29:39,729 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][172], [319#true, 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 186#true, 50#L786true, Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), 77#L853-3true, Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 116#P0EXITtrue, 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 316#(= ~__unbuffered_cnt~0 0)]) [2022-12-13 13:29:39,730 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:39,730 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:39,730 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:39,730 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:39,730 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][165], [319#true, 314#true, 44#L822true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 186#true, Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), 77#L853-3true, Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 116#P0EXITtrue, 171#true, Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 141#L793true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 316#(= ~__unbuffered_cnt~0 0)]) [2022-12-13 13:29:39,730 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 13:29:39,730 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:39,730 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:39,730 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 13:29:39,740 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([401] L822-->L829: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_111 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd4~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd4~0_29 256) 0)))) (let ((.cse0 (and (not (= (mod v_~z$w_buff0_used~0_112 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_97 256) 0)) .cse4)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_63 (ite .cse0 v_~z$w_buff0~0_54 (ite .cse1 v_~z$w_buff1~0_55 v_~z~0_64))) (= v_~z$w_buff0_used~0_111 (ite .cse0 0 v_~z$w_buff0_used~0_112)) (= v_~z$r_buff0_thd4~0_28 (ite .cse2 0 v_~z$r_buff0_thd4~0_29)) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_97) v_~z$w_buff1_used~0_96) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd4~0_28 256) 0)) .cse3) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_96 256) 0)))) 0 v_~z$r_buff1_thd4~0_24) v_~z$r_buff1_thd4~0_23)))) InVars {~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_24, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_112, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_29, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_97, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_64} OutVars{~z$r_buff1_thd4~0=v_~z$r_buff1_thd4~0_23, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_111, ~z$w_buff0~0=v_~z$w_buff0~0_54, ~z$r_buff0_thd4~0=v_~z$r_buff0_thd4~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_96, ~z$w_buff1~0=v_~z$w_buff1~0_55, ~z~0=v_~z~0_63} AuxVars[] AssignedVars[~z$r_buff1_thd4~0, ~z$w_buff0_used~0, ~z$r_buff0_thd4~0, ~z$w_buff1_used~0, ~z~0][172], [319#true, 314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 186#true, Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 171#true, 116#P0EXITtrue, Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 12#L829true, Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 316#(= ~__unbuffered_cnt~0 0)]) [2022-12-13 13:29:39,740 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,741 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,741 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,741 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,741 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([391] L786-->L793: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_24 256) 0))) (.cse4 (not (= (mod v_~z$r_buff1_thd3~0_22 256) 0)))) (let ((.cse1 (and (not (= (mod v_~z$w_buff1_used~0_83 256) 0)) .cse4)) (.cse0 (and (not (= (mod v_~z$w_buff0_used~0_98 256) 0)) .cse5)) (.cse2 (and .cse3 .cse5))) (and (= v_~z~0_47 (ite .cse0 v_~z$w_buff0~0_46 (ite .cse1 v_~z$w_buff1~0_47 v_~z~0_48))) (= (ite (or .cse1 .cse2) 0 v_~z$w_buff1_used~0_83) v_~z$w_buff1_used~0_82) (= v_~z$r_buff1_thd3~0_21 (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd3~0_23 256) 0))) (and (not (= (mod v_~z$w_buff1_used~0_82 256) 0)) .cse4)) 0 v_~z$r_buff1_thd3~0_22)) (= v_~z$w_buff0_used~0_97 (ite .cse0 0 v_~z$w_buff0_used~0_98)) (= v_~z$r_buff0_thd3~0_23 (ite .cse2 0 v_~z$r_buff0_thd3~0_24))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_98, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_22, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_83, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_24, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_48} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_97, ~z$w_buff0~0=v_~z$w_buff0~0_46, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_21, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_82, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_23, ~z$w_buff1~0=v_~z$w_buff1~0_47, ~z~0=v_~z~0_47} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][165], [319#true, 44#L822true, 314#true, 88#L858true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 186#true, Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), Black: 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), 141#L793true, Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 316#(= ~__unbuffered_cnt~0 0)]) [2022-12-13 13:29:39,741 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,741 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,741 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,741 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,779 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L858-->L864: Formula: (let ((.cse4 (not (= (mod v_~z$r_buff1_thd0~0_58 256) 0))) (.cse3 (not (= (mod v_~z$w_buff0_used~0_107 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd0~0_62 256) 0)))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and (not (= (mod v_~z$w_buff0_used~0_108 256) 0)) .cse5)) (.cse1 (and (not (= (mod v_~z$w_buff1_used~0_93 256) 0)) .cse4))) (and (= (ite .cse0 0 v_~z$r_buff0_thd0~0_62) v_~z$r_buff0_thd0~0_61) (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_93) v_~z$w_buff1_used~0_92) (= (ite .cse2 0 v_~z$w_buff0_used~0_108) v_~z$w_buff0_used~0_107) (= (ite .cse2 v_~z$w_buff0~0_52 (ite .cse1 v_~z$w_buff1~0_53 v_~z~0_60)) v_~z~0_59) (= (ite (or (and .cse3 (not (= (mod v_~z$r_buff0_thd0~0_61 256) 0))) (and .cse4 (not (= (mod v_~z$w_buff1_used~0_92 256) 0)))) 0 v_~z$r_buff1_thd0~0_58) v_~z$r_buff1_thd0~0_57)))) InVars {~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_62, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_108, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_58, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_93, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_60} OutVars{~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_61, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_107, ~z$w_buff0~0=v_~z$w_buff0~0_52, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_57, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_92, ~z$w_buff1~0=v_~z$w_buff1~0_53, ~z~0=v_~z~0_59} AuxVars[] AssignedVars[~z$r_buff0_thd0~0, ~z$w_buff0_used~0, ~z$r_buff1_thd0~0, ~z$w_buff1_used~0, ~z~0][191], [319#true, 44#L822true, 314#true, Black: 190#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= ~z$w_buff0~0 2) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= ~z$w_buff0~0 ~z~0))) (or (not (= ~z$w_buff1~0 ~z$w_buff0~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256))))), Black: 248#(= ~z$r_buff0_thd0~0 0), 50#L786true, Black: 191#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 255#(and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd0~0 0)), 186#true, Black: 257#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 188#(and (= ~z$w_buff0~0 ~z~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 249#(and (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 155#true, P3Thread1of1ForFork0InUse, Black: 263#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 ~z~0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 261#(and (= ~z$w_buff0~0 2) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), P1Thread1of1ForFork1InUse, P0Thread1of1ForFork3InUse, P2Thread1of1ForFork2InUse, 236#true, 250#(and (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 214#(and (<= ~z$r_buff0_thd0~0 0) (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (= ~z~0 0)), 120#L864true, 205#true, 99#P1EXITtrue, Black: 157#(= ~__unbuffered_p3_EAX~0 0), Black: 225#(and (= ~z~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$w_buff0_used~0 0)), Black: 226#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (= ~z$r_buff0_thd0~0 0)), Black: 163#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), Black: 230#(and (= ~z~0 1) (= ~z$w_buff1_used~0 0) (= ~z$w_buff1~0 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|) (= ~z$r_buff0_thd0~0 0)), Black: 158#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 295#(and (= ~z$w_buff1_used~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff0~0 2) (not (= ~z$w_buff0~0 ~z~0)) (= ~z$r_buff0_thd0~0 0) (= ~z$r_buff1_thd0~0 0)), 171#true, 116#P0EXITtrue, Black: 297#(and (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 241#(and (= ~z~0 1) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (= ~z$w_buff1~0 0)), Black: 304#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 293#(and (= ~z$r_buff0_thd3~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0_used~0 0)), Black: 173#(= ~y~0 0), Black: 174#(and (or (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~z$w_buff0~0 2)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (and (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0))) (and (or (not (= 2 ~y~0)) (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~z$w_buff1~0 2)) (not (= ~__unbuffered_p3_EBX~0 0)) (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (not (= ~__unbuffered_p0_EAX~0 0)) (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (or (and (not (= ~z$w_buff1_used~0 (* 256 (div ~z$w_buff1_used~0 256)))) (not (= (* 256 (div ~z$w_buff0_used~0 256)) ~z$w_buff0_used~0)) (not (= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)))) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))))), 279#(and (<= ~z$r_buff1_thd0~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (<= ~z$r_buff0_thd0~0 (* 256 (div ~z$r_buff0_thd0~0 256))) (or (= ~z$w_buff1~0 0) (not (= ~z$w_buff1~0 ~z~0))) (not (<= (+ (div ~z$r_buff0_thd0~0 256) 1) 0)) (<= 0 ~z$r_buff1_thd0~0) (or (= ~z~0 1) (= ~z$w_buff1~0 ~z~0))), Black: 316#(= ~__unbuffered_cnt~0 0)]) [2022-12-13 13:29:39,779 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,779 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,779 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,779 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 13:29:39,923 INFO L130 PetriNetUnfolder]: 2653/4279 cut-off events. [2022-12-13 13:29:39,923 INFO L131 PetriNetUnfolder]: For 41193/41884 co-relation queries the response was YES. [2022-12-13 13:29:39,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25775 conditions, 4279 events. 2653/4279 cut-off events. For 41193/41884 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 25335 event pairs, 330 based on Foata normal form. 512/4634 useless extension candidates. Maximal degree in co-relation 25728. Up to 2129 conditions per place. [2022-12-13 13:29:39,946 INFO L137 encePairwiseOnDemand]: 247/253 looper letters, 190 selfloop transitions, 9 changer transitions 0/242 dead transitions. [2022-12-13 13:29:39,946 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 242 transitions, 3809 flow [2022-12-13 13:29:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:29:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 13:29:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 529 transitions. [2022-12-13 13:29:39,948 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5227272727272727 [2022-12-13 13:29:39,948 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 529 transitions. [2022-12-13 13:29:39,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 529 transitions. [2022-12-13 13:29:39,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:39,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 529 transitions. [2022-12-13 13:29:39,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.25) internal successors, (529), 4 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:39,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 253.0) internal successors, (1265), 5 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) [2022-12-13 13:29:39,950 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 253.0) internal successors, (1265), 5 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) [2022-12-13 13:29:39,950 INFO L175 Difference]: Start difference. First operand has 94 places, 159 transitions, 2220 flow. Second operand 4 states and 529 transitions. [2022-12-13 13:29:39,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 242 transitions, 3809 flow [2022-12-13 13:29:40,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 242 transitions, 3788 flow, removed 8 selfloop flow, removed 1 redundant places. [2022-12-13 13:29:40,004 INFO L231 Difference]: Finished difference. Result has 97 places, 148 transitions, 1964 flow [2022-12-13 13:29:40,004 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=1912, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1964, PETRI_PLACES=97, PETRI_TRANSITIONS=148} [2022-12-13 13:29:40,004 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 54 predicate places. [2022-12-13 13:29:40,004 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 148 transitions, 1964 flow [2022-12-13 13:29:40,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:40,005 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:40,005 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:40,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 13:29:40,005 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:40,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:40,005 INFO L85 PathProgramCache]: Analyzing trace with hash 96771612, now seen corresponding path program 1 times [2022-12-13 13:29:40,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:40,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509852367] [2022-12-13 13:29:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:40,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:40,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509852367] [2022-12-13 13:29:40,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509852367] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:40,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:40,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:29:40,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327221213] [2022-12-13 13:29:40,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:40,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:29:40,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:40,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:29:40,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:29:40,087 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 253 [2022-12-13 13:29:40,087 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 148 transitions, 1964 flow. Second operand has 4 states, 4 states have (on average 124.5) internal successors, (498), 4 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:40,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:40,088 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 253 [2022-12-13 13:29:40,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:40,882 INFO L130 PetriNetUnfolder]: 3566/5900 cut-off events. [2022-12-13 13:29:40,882 INFO L131 PetriNetUnfolder]: For 54014/54348 co-relation queries the response was YES. [2022-12-13 13:29:40,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36960 conditions, 5900 events. 3566/5900 cut-off events. For 54014/54348 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 37051 event pairs, 886 based on Foata normal form. 133/5845 useless extension candidates. Maximal degree in co-relation 36911. Up to 2713 conditions per place. [2022-12-13 13:29:40,908 INFO L137 encePairwiseOnDemand]: 249/253 looper letters, 94 selfloop transitions, 11 changer transitions 90/215 dead transitions. [2022-12-13 13:29:40,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 215 transitions, 3094 flow [2022-12-13 13:29:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:29:40,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 13:29:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 655 transitions. [2022-12-13 13:29:40,909 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5177865612648221 [2022-12-13 13:29:40,909 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 655 transitions. [2022-12-13 13:29:40,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 655 transitions. [2022-12-13 13:29:40,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:40,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 655 transitions. [2022-12-13 13:29:40,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:40,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 253.0) internal successors, (1518), 6 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:40,912 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 253.0) internal successors, (1518), 6 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:40,912 INFO L175 Difference]: Start difference. First operand has 97 places, 148 transitions, 1964 flow. Second operand 5 states and 655 transitions. [2022-12-13 13:29:40,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 215 transitions, 3094 flow [2022-12-13 13:29:41,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 215 transitions, 3056 flow, removed 10 selfloop flow, removed 2 redundant places. [2022-12-13 13:29:41,019 INFO L231 Difference]: Finished difference. Result has 102 places, 101 transitions, 1262 flow [2022-12-13 13:29:41,020 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1262, PETRI_PLACES=102, PETRI_TRANSITIONS=101} [2022-12-13 13:29:41,020 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 59 predicate places. [2022-12-13 13:29:41,020 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 101 transitions, 1262 flow [2022-12-13 13:29:41,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.5) internal successors, (498), 4 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:41,020 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:41,020 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:41,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 13:29:41,021 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:41,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:41,021 INFO L85 PathProgramCache]: Analyzing trace with hash -449891245, now seen corresponding path program 1 times [2022-12-13 13:29:41,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:41,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719806316] [2022-12-13 13:29:41,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:41,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:41,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:41,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719806316] [2022-12-13 13:29:41,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719806316] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:41,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:41,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:29:41,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729347792] [2022-12-13 13:29:41,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:41,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:29:41,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:41,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:29:41,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:29:41,301 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 253 [2022-12-13 13:29:41,302 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 101 transitions, 1262 flow. Second operand has 6 states, 6 states have (on average 111.5) internal successors, (669), 6 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:41,302 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:41,302 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 253 [2022-12-13 13:29:41,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:42,393 INFO L130 PetriNetUnfolder]: 4510/7286 cut-off events. [2022-12-13 13:29:42,393 INFO L131 PetriNetUnfolder]: For 70463/70727 co-relation queries the response was YES. [2022-12-13 13:29:42,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44957 conditions, 7286 events. 4510/7286 cut-off events. For 70463/70727 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 45309 event pairs, 522 based on Foata normal form. 145/7379 useless extension candidates. Maximal degree in co-relation 44906. Up to 3436 conditions per place. [2022-12-13 13:29:42,424 INFO L137 encePairwiseOnDemand]: 240/253 looper letters, 105 selfloop transitions, 25 changer transitions 125/259 dead transitions. [2022-12-13 13:29:42,424 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 259 transitions, 3537 flow [2022-12-13 13:29:42,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:29:42,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 13:29:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 864 transitions. [2022-12-13 13:29:42,426 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4878599661208357 [2022-12-13 13:29:42,426 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 864 transitions. [2022-12-13 13:29:42,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 864 transitions. [2022-12-13 13:29:42,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:42,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 864 transitions. [2022-12-13 13:29:42,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 123.42857142857143) internal successors, (864), 7 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:42,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:42,429 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:42,429 INFO L175 Difference]: Start difference. First operand has 102 places, 101 transitions, 1262 flow. Second operand 7 states and 864 transitions. [2022-12-13 13:29:42,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 259 transitions, 3537 flow [2022-12-13 13:29:42,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 259 transitions, 3417 flow, removed 42 selfloop flow, removed 7 redundant places. [2022-12-13 13:29:42,586 INFO L231 Difference]: Finished difference. Result has 101 places, 86 transitions, 1129 flow [2022-12-13 13:29:42,586 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=1209, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1129, PETRI_PLACES=101, PETRI_TRANSITIONS=86} [2022-12-13 13:29:42,586 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 58 predicate places. [2022-12-13 13:29:42,586 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 86 transitions, 1129 flow [2022-12-13 13:29:42,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.5) internal successors, (669), 6 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:42,586 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:42,587 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:42,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 13:29:42,587 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:42,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:42,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1271644611, now seen corresponding path program 1 times [2022-12-13 13:29:42,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:42,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632416237] [2022-12-13 13:29:42,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:42,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:42,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:42,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632416237] [2022-12-13 13:29:42,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632416237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:42,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:42,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:29:42,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413257119] [2022-12-13 13:29:42,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:42,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:29:42,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:42,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:29:42,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:29:42,686 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 253 [2022-12-13 13:29:42,687 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 86 transitions, 1129 flow. Second operand has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:42,687 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:42,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 253 [2022-12-13 13:29:42,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:43,065 INFO L130 PetriNetUnfolder]: 1450/2514 cut-off events. [2022-12-13 13:29:43,065 INFO L131 PetriNetUnfolder]: For 25031/25486 co-relation queries the response was YES. [2022-12-13 13:29:43,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14741 conditions, 2514 events. 1450/2514 cut-off events. For 25031/25486 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 15173 event pairs, 193 based on Foata normal form. 400/2835 useless extension candidates. Maximal degree in co-relation 14691. Up to 819 conditions per place. [2022-12-13 13:29:43,074 INFO L137 encePairwiseOnDemand]: 247/253 looper letters, 106 selfloop transitions, 13 changer transitions 18/156 dead transitions. [2022-12-13 13:29:43,074 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 156 transitions, 2392 flow [2022-12-13 13:29:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:29:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 13:29:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 656 transitions. [2022-12-13 13:29:43,076 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5185770750988142 [2022-12-13 13:29:43,076 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 656 transitions. [2022-12-13 13:29:43,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 656 transitions. [2022-12-13 13:29:43,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:43,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 656 transitions. [2022-12-13 13:29:43,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 131.2) internal successors, (656), 5 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:43,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 253.0) internal successors, (1518), 6 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:43,078 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 253.0) internal successors, (1518), 6 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:43,078 INFO L175 Difference]: Start difference. First operand has 101 places, 86 transitions, 1129 flow. Second operand 5 states and 656 transitions. [2022-12-13 13:29:43,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 156 transitions, 2392 flow [2022-12-13 13:29:43,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 156 transitions, 2209 flow, removed 31 selfloop flow, removed 13 redundant places. [2022-12-13 13:29:43,104 INFO L231 Difference]: Finished difference. Result has 91 places, 78 transitions, 910 flow [2022-12-13 13:29:43,104 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=916, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=910, PETRI_PLACES=91, PETRI_TRANSITIONS=78} [2022-12-13 13:29:43,105 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 48 predicate places. [2022-12-13 13:29:43,105 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 78 transitions, 910 flow [2022-12-13 13:29:43,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:43,105 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:43,106 INFO L209 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] [2022-12-13 13:29:43,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 13:29:43,106 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:43,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:43,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1962955268, now seen corresponding path program 1 times [2022-12-13 13:29:43,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:43,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884463116] [2022-12-13 13:29:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:43,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:43,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:43,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:43,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884463116] [2022-12-13 13:29:43,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884463116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:43,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:43,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:29:43,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999402737] [2022-12-13 13:29:43,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:43,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:29:43,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:43,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:29:43,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:29:43,367 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 253 [2022-12-13 13:29:43,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 78 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:43,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:43,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 253 [2022-12-13 13:29:43,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:43,967 INFO L130 PetriNetUnfolder]: 2140/3715 cut-off events. [2022-12-13 13:29:43,967 INFO L131 PetriNetUnfolder]: For 32279/32451 co-relation queries the response was YES. [2022-12-13 13:29:43,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22434 conditions, 3715 events. 2140/3715 cut-off events. For 32279/32451 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 23057 event pairs, 330 based on Foata normal form. 47/3735 useless extension candidates. Maximal degree in co-relation 22391. Up to 1436 conditions per place. [2022-12-13 13:29:43,980 INFO L137 encePairwiseOnDemand]: 241/253 looper letters, 108 selfloop transitions, 21 changer transitions 65/197 dead transitions. [2022-12-13 13:29:43,980 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 197 transitions, 2551 flow [2022-12-13 13:29:43,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:29:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 13:29:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 847 transitions. [2022-12-13 13:29:43,982 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4782608695652174 [2022-12-13 13:29:43,982 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 847 transitions. [2022-12-13 13:29:43,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 847 transitions. [2022-12-13 13:29:43,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:43,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 847 transitions. [2022-12-13 13:29:43,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:43,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:43,984 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:43,984 INFO L175 Difference]: Start difference. First operand has 91 places, 78 transitions, 910 flow. Second operand 7 states and 847 transitions. [2022-12-13 13:29:43,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 197 transitions, 2551 flow [2022-12-13 13:29:44,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 197 transitions, 2378 flow, removed 52 selfloop flow, removed 6 redundant places. [2022-12-13 13:29:44,054 INFO L231 Difference]: Finished difference. Result has 94 places, 77 transitions, 901 flow [2022-12-13 13:29:44,054 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=859, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=901, PETRI_PLACES=94, PETRI_TRANSITIONS=77} [2022-12-13 13:29:44,054 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 51 predicate places. [2022-12-13 13:29:44,054 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 77 transitions, 901 flow [2022-12-13 13:29:44,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:44,055 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:44,055 INFO L209 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] [2022-12-13 13:29:44,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 13:29:44,055 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:44,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:44,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1156837240, now seen corresponding path program 1 times [2022-12-13 13:29:44,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:44,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848333518] [2022-12-13 13:29:44,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:44,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:29:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:29:44,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:29:44,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848333518] [2022-12-13 13:29:44,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848333518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:29:44,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:29:44,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:29:44,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908484446] [2022-12-13 13:29:44,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:29:44,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:29:44,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:29:44,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:29:44,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:29:44,172 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 253 [2022-12-13 13:29:44,172 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 77 transitions, 901 flow. Second operand has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:44,172 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:29:44,172 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 253 [2022-12-13 13:29:44,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:29:44,501 INFO L130 PetriNetUnfolder]: 1272/2236 cut-off events. [2022-12-13 13:29:44,501 INFO L131 PetriNetUnfolder]: For 18241/18656 co-relation queries the response was YES. [2022-12-13 13:29:44,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12259 conditions, 2236 events. 1272/2236 cut-off events. For 18241/18656 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 13750 event pairs, 164 based on Foata normal form. 238/2390 useless extension candidates. Maximal degree in co-relation 12226. Up to 792 conditions per place. [2022-12-13 13:29:44,511 INFO L137 encePairwiseOnDemand]: 247/253 looper letters, 49 selfloop transitions, 17 changer transitions 71/143 dead transitions. [2022-12-13 13:29:44,511 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 143 transitions, 2012 flow [2022-12-13 13:29:44,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:29:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:29:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 775 transitions. [2022-12-13 13:29:44,512 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5105401844532279 [2022-12-13 13:29:44,512 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 775 transitions. [2022-12-13 13:29:44,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 775 transitions. [2022-12-13 13:29:44,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:29:44,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 775 transitions. [2022-12-13 13:29:44,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.16666666666666) internal successors, (775), 6 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:44,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:44,514 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:44,515 INFO L175 Difference]: Start difference. First operand has 94 places, 77 transitions, 901 flow. Second operand 6 states and 775 transitions. [2022-12-13 13:29:44,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 143 transitions, 2012 flow [2022-12-13 13:29:44,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 143 transitions, 1935 flow, removed 16 selfloop flow, removed 4 redundant places. [2022-12-13 13:29:44,555 INFO L231 Difference]: Finished difference. Result has 95 places, 46 transitions, 450 flow [2022-12-13 13:29:44,555 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=450, PETRI_PLACES=95, PETRI_TRANSITIONS=46} [2022-12-13 13:29:44,556 INFO L288 CegarLoopForPetriNet]: 43 programPoint places, 52 predicate places. [2022-12-13 13:29:44,556 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 46 transitions, 450 flow [2022-12-13 13:29:44,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:29:44,556 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:29:44,556 INFO L209 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] [2022-12-13 13:29:44,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 13:29:44,556 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 13:29:44,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:29:44,556 INFO L85 PathProgramCache]: Analyzing trace with hash -385012079, now seen corresponding path program 1 times [2022-12-13 13:29:44,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:29:44,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292367446] [2022-12-13 13:29:44,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:29:44,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:29:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:29:44,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:29:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:29:44,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:29:44,615 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:29:44,615 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-13 13:29:44,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-12-13 13:29:44,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-13 13:29:44,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-12-13 13:29:44,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-12-13 13:29:44,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-12-13 13:29:44,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-13 13:29:44,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 13:29:44,618 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:29:44,622 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 13:29:44,622 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:29:44,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:29:44 BasicIcfg [2022-12-13 13:29:44,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:29:44,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:29:44,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:29:44,667 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:29:44,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:29:13" (3/4) ... [2022-12-13 13:29:44,668 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:29:44,719 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:29:44,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:29:44,720 INFO L158 Benchmark]: Toolchain (without parser) took 32635.74ms. Allocated memory was 123.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 87.1MB in the beginning and 848.2MB in the end (delta: -761.1MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-12-13 13:29:44,720 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 65.7MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:29:44,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.20ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 86.7MB in the beginning and 145.6MB in the end (delta: -58.8MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2022-12-13 13:29:44,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.06ms. Allocated memory is still 176.2MB. Free memory was 145.6MB in the beginning and 144.8MB in the end (delta: 786.4kB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-12-13 13:29:44,720 INFO L158 Benchmark]: Boogie Preprocessor took 21.55ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 142.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:29:44,721 INFO L158 Benchmark]: RCFGBuilder took 525.89ms. Allocated memory is still 176.2MB. Free memory was 142.7MB in the beginning and 109.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 13:29:44,721 INFO L158 Benchmark]: TraceAbstraction took 31524.21ms. Allocated memory was 176.2MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 109.1MB in the beginning and 862.8MB in the end (delta: -753.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-12-13 13:29:44,721 INFO L158 Benchmark]: Witness Printer took 52.89ms. Allocated memory is still 2.3GB. Free memory was 862.8MB in the beginning and 848.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:29:44,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 65.7MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.20ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 86.7MB in the beginning and 145.6MB in the end (delta: -58.8MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.06ms. Allocated memory is still 176.2MB. Free memory was 145.6MB in the beginning and 144.8MB in the end (delta: 786.4kB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.55ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 142.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 525.89ms. Allocated memory is still 176.2MB. Free memory was 142.7MB in the beginning and 109.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31524.21ms. Allocated memory was 176.2MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 109.1MB in the beginning and 862.8MB in the end (delta: -753.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 52.89ms. Allocated memory is still 2.3GB. Free memory was 862.8MB in the beginning and 848.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 144 PlacesBefore, 43 PlacesAfterwards, 133 TransitionsBefore, 31 TransitionsAfterwards, 3168 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 116 TotalNumberOfCompositions, 8036 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3743, independent: 3532, independent conditional: 0, independent unconditional: 3532, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1665, independent: 1630, independent conditional: 0, independent unconditional: 1630, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3743, independent: 1902, independent conditional: 0, independent unconditional: 1902, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 1665, unknown conditional: 0, unknown unconditional: 1665] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 143, Positive conditional cache size: 0, Positive unconditional cache size: 143, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1221; [L847] FCALL, FORK 0 pthread_create(&t1221, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1221, ((void *)0), P0, ((void *)0))=-4, t1221={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1222; [L849] FCALL, FORK 0 pthread_create(&t1222, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1222, ((void *)0), P1, ((void *)0))=-3, t1221={5:0}, t1222={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1223; [L851] FCALL, FORK 0 pthread_create(&t1223, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1223, ((void *)0), P2, ((void *)0))=-2, t1221={5:0}, t1222={6:0}, t1223={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1224; [L853] FCALL, FORK 0 pthread_create(&t1224, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1224, ((void *)0), P3, ((void *)0))=-1, t1221={5:0}, t1222={6:0}, t1223={7:0}, t1224={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 2 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L806] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 4 !(!expression) [L806] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 [L815] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L788] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L789] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L790] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L791] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L792] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L824] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L825] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L826] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L827] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L828] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 3 return 0; [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 4 return 0; [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L857] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L857] RET 0 assume_abort_if_not(main$tmp_guard0) [L859] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L860] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L861] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L862] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L863] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, t1221={5:0}, t1222={6:0}, t1223={7:0}, t1224={3:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 z$flush_delayed = weak$$choice2 [L869] 0 z$mem_tmp = z [L870] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L871] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L872] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L873] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L874] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 [L881] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$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: 853]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 173 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 31.4s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 22.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1456 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1196 mSDsluCounter, 975 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 802 mSDsCounter, 265 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2912 IncrementalHoareTripleChecker+Invalid, 3177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 265 mSolverCounterUnsat, 173 mSDtfsCounter, 2912 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2304occurred in iteration=10, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 2868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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! [2022-12-13 13:29:44,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41923855-9e5a-46ea-8c4a-dab852559ce7/bin/uautomizer-uyxdKDjOR8/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