./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN --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 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 --- 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-6b4ec56 [2022-11-20 10:30:11,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:11,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:11,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:11,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:11,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:11,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:11,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:11,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:11,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:11,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:11,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:11,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:11,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:11,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:11,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:11,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:11,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:11,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:11,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:11,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:11,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:11,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:11,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:11,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:11,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:11,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:11,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:11,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:11,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:11,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:11,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:11,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:11,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:11,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:11,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:11,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:11,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:11,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:11,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:11,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:11,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 10:30:11,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:11,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:11,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:11,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:11,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:11,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:11,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:11,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:11,961 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:11,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:11,963 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:30:11,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:11,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:30:11,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:11,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:11,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:11,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:11,964 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:30:11,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:11,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:11,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:11,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:11,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:11,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:11,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:11,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:11,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:11,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:11,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:11,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:11,967 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:11,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:11,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:11,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 [2022-11-20 10:30:12,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:12,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:12,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:12,276 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:12,276 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:12,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2022-11-20 10:30:15,569 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:15,883 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:15,884 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2022-11-20 10:30:15,913 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/data/aae9fd117/cbb6fa2751124046a9fde0b8f7b397d4/FLAGef50313a8 [2022-11-20 10:30:15,941 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/data/aae9fd117/cbb6fa2751124046a9fde0b8f7b397d4 [2022-11-20 10:30:15,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:15,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:15,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:15,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:15,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:15,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:15" (1/1) ... [2022-11-20 10:30:15,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eec0f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:15, skipping insertion in model container [2022-11-20 10:30:15,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:15" (1/1) ... [2022-11-20 10:30:15,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:16,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:16,276 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_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2022-11-20 10:30:16,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:16,675 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:16,689 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_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2022-11-20 10:30:16,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:16,789 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:16,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16 WrapperNode [2022-11-20 10:30:16,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:16,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:16,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:16,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:16,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,897 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2022-11-20 10:30:16,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:16,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:16,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:16,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:16,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:16,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:16,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:16,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:16,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (1/1) ... [2022-11-20 10:30:16,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:16,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:17,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:17,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee1dafa3-c0bd-4209-b35b-4071452d5cbb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:30:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:30:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:30:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:30:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 10:30:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 10:30:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 10:30:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 10:30:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-20 10:30:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-20 10:30:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-20 10:30:17,069 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-20 10:30:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:30:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:30:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:17,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:17,071 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:30:17,345 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:17,347 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:17,916 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:30:18,152 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:30:18,152 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:30:18,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:18 BoogieIcfgContainer [2022-11-20 10:30:18,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:30:18,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:30:18,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:30:18,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:30:18,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:15" (1/3) ... [2022-11-20 10:30:18,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710b629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:18, skipping insertion in model container [2022-11-20 10:30:18,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:16" (2/3) ... [2022-11-20 10:30:18,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710b629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:18, skipping insertion in model container [2022-11-20 10:30:18,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:18" (3/3) ... [2022-11-20 10:30:18,168 INFO L112 eAbstractionObserver]: Analyzing ICFG mix046.oepc.i [2022-11-20 10:30:18,180 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:30:18,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:30:18,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 10:30:18,192 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:30:18,266 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:30:18,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 139 transitions, 298 flow [2022-11-20 10:30:18,435 INFO L130 PetriNetUnfolder]: 2/135 cut-off events. [2022-11-20 10:30:18,436 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:30:18,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 135 events. 2/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2022-11-20 10:30:18,444 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 139 transitions, 298 flow [2022-11-20 10:30:18,450 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 135 transitions, 282 flow [2022-11-20 10:30:18,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:18,473 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;@13b4fe1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:18,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-20 10:30:18,505 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2022-11-20 10:30:18,505 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:30:18,511 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:18,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:18,513 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:30:18,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:18,521 INFO L85 PathProgramCache]: Analyzing trace with hash -574341605, now seen corresponding path program 1 times [2022-11-20 10:30:18,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:18,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129809411] [2022-11-20 10:30:18,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:19,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:19,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:19,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129809411] [2022-11-20 10:30:19,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129809411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:19,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:19,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:19,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209066223] [2022-11-20 10:30:19,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:19,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:19,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:19,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:19,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:19,296 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 139 [2022-11-20 10:30:19,301 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 135 transitions, 282 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) [2022-11-20 10:30:19,301 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:19,301 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 139 [2022-11-20 10:30:19,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:19,773 INFO L130 PetriNetUnfolder]: 162/623 cut-off events. [2022-11-20 10:30:19,773 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-11-20 10:30:19,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 623 events. 162/623 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3464 event pairs, 132 based on Foata normal form. 46/627 useless extension candidates. Maximal degree in co-relation 871. Up to 191 conditions per place. [2022-11-20 10:30:19,789 INFO L137 encePairwiseOnDemand]: 134/139 looper letters, 18 selfloop transitions, 2 changer transitions 0/139 dead transitions. [2022-11-20 10:30:19,789 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 139 transitions, 339 flow [2022-11-20 10:30:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:19,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2022-11-20 10:30:19,815 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9448441247002398 [2022-11-20 10:30:19,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 394 transitions. [2022-11-20 10:30:19,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 394 transitions. [2022-11-20 10:30:19,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:19,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 394 transitions. [2022-11-20 10:30:19,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:19,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:19,844 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:19,846 INFO L175 Difference]: Start difference. First operand has 146 places, 135 transitions, 282 flow. Second operand 3 states and 394 transitions. [2022-11-20 10:30:19,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 139 transitions, 339 flow [2022-11-20 10:30:19,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 139 transitions, 332 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:30:19,858 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 274 flow [2022-11-20 10:30:19,861 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2022-11-20 10:30:19,869 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2022-11-20 10:30:19,869 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 274 flow [2022-11-20 10:30:19,869 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) [2022-11-20 10:30:19,870 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:19,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:19,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:30:19,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:30:19,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:19,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1300116423, now seen corresponding path program 1 times [2022-11-20 10:30:19,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:19,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333460458] [2022-11-20 10:30:19,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:19,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:20,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:20,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333460458] [2022-11-20 10:30:20,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333460458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:20,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:20,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:30:20,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659388482] [2022-11-20 10:30:20,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:20,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:30:20,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:20,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:30:20,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:30:20,635 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 139 [2022-11-20 10:30:20,642 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 274 flow. Second operand has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:20,642 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:20,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 139 [2022-11-20 10:30:20,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:26,194 INFO L130 PetriNetUnfolder]: 11171/23310 cut-off events. [2022-11-20 10:30:26,194 INFO L131 PetriNetUnfolder]: For 1042/1042 co-relation queries the response was YES. [2022-11-20 10:30:26,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39831 conditions, 23310 events. 11171/23310 cut-off events. For 1042/1042 co-relation queries the response was YES. Maximal size of possible extension queue 1057. Compared 227052 event pairs, 1213 based on Foata normal form. 0/22906 useless extension candidates. Maximal degree in co-relation 39770. Up to 4450 conditions per place. [2022-11-20 10:30:26,418 INFO L137 encePairwiseOnDemand]: 128/139 looper letters, 45 selfloop transitions, 7 changer transitions 119/260 dead transitions. [2022-11-20 10:30:26,418 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 260 transitions, 870 flow [2022-11-20 10:30:26,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 10:30:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-20 10:30:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1539 transitions. [2022-11-20 10:30:26,424 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8516878804648589 [2022-11-20 10:30:26,424 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1539 transitions. [2022-11-20 10:30:26,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1539 transitions. [2022-11-20 10:30:26,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:26,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1539 transitions. [2022-11-20 10:30:26,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.38461538461539) internal successors, (1539), 13 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:26,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:26,441 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:26,441 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 274 flow. Second operand 13 states and 1539 transitions. [2022-11-20 10:30:26,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 260 transitions, 870 flow [2022-11-20 10:30:26,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 260 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:30:26,454 INFO L231 Difference]: Finished difference. Result has 164 places, 122 transitions, 342 flow [2022-11-20 10:30:26,455 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=342, PETRI_PLACES=164, PETRI_TRANSITIONS=122} [2022-11-20 10:30:26,456 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 18 predicate places. [2022-11-20 10:30:26,457 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 122 transitions, 342 flow [2022-11-20 10:30:26,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:26,458 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:26,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:26,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:30:26,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:30:26,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1992027269, now seen corresponding path program 1 times [2022-11-20 10:30:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:26,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700922404] [2022-11-20 10:30:26,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:26,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:26,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:26,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700922404] [2022-11-20 10:30:26,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700922404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:26,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:26,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:30:26,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636588362] [2022-11-20 10:30:26,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:26,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:26,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:26,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:26,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:26,991 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 139 [2022-11-20 10:30:26,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 122 transitions, 342 flow. Second operand has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:26,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:26,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 139 [2022-11-20 10:30:26,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:29,612 INFO L130 PetriNetUnfolder]: 6092/10862 cut-off events. [2022-11-20 10:30:29,612 INFO L131 PetriNetUnfolder]: For 19693/20379 co-relation queries the response was YES. [2022-11-20 10:30:29,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31437 conditions, 10862 events. 6092/10862 cut-off events. For 19693/20379 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 85494 event pairs, 2300 based on Foata normal form. 396/10846 useless extension candidates. Maximal degree in co-relation 31368. Up to 5123 conditions per place. [2022-11-20 10:30:29,724 INFO L137 encePairwiseOnDemand]: 132/139 looper letters, 29 selfloop transitions, 4 changer transitions 58/190 dead transitions. [2022-11-20 10:30:29,724 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 190 transitions, 888 flow [2022-11-20 10:30:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:30:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-20 10:30:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1106 transitions. [2022-11-20 10:30:29,730 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8840927258193445 [2022-11-20 10:30:29,730 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1106 transitions. [2022-11-20 10:30:29,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1106 transitions. [2022-11-20 10:30:29,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:29,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1106 transitions. [2022-11-20 10:30:29,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 122.88888888888889) internal successors, (1106), 9 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:29,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:29,740 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:29,740 INFO L175 Difference]: Start difference. First operand has 164 places, 122 transitions, 342 flow. Second operand 9 states and 1106 transitions. [2022-11-20 10:30:29,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 190 transitions, 888 flow [2022-11-20 10:30:29,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 190 transitions, 872 flow, removed 7 selfloop flow, removed 4 redundant places. [2022-11-20 10:30:29,812 INFO L231 Difference]: Finished difference. Result has 152 places, 125 transitions, 404 flow [2022-11-20 10:30:29,813 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=404, PETRI_PLACES=152, PETRI_TRANSITIONS=125} [2022-11-20 10:30:29,815 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 6 predicate places. [2022-11-20 10:30:29,816 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 125 transitions, 404 flow [2022-11-20 10:30:29,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:29,816 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:29,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:29,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:30:29,818 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:30:29,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:29,819 INFO L85 PathProgramCache]: Analyzing trace with hash -70342536, now seen corresponding path program 1 times [2022-11-20 10:30:29,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:29,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715431575] [2022-11-20 10:30:29,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:29,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:30,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:30,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715431575] [2022-11-20 10:30:30,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715431575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:30,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:30,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:30:30,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978021283] [2022-11-20 10:30:30,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:30,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:30:30,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:30,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:30:30,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:30:30,194 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2022-11-20 10:30:30,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 125 transitions, 404 flow. Second operand has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:30,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:30,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2022-11-20 10:30:30,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:31,349 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][139], [220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 29#L876-3true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:31,350 INFO L383 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2022-11-20 10:30:31,350 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-20 10:30:31,350 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-20 10:30:31,350 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-20 10:30:32,074 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, 94#L879true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:32,074 INFO L383 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-11-20 10:30:32,075 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:30:32,075 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:30:32,075 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:30:32,888 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, 91#L880-1true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:32,888 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-20 10:30:32,888 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:30:32,888 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:30:32,889 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:30:33,393 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 73#L2true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:33,393 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-20 10:30:33,394 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:30:33,394 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:30:33,394 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:30:33,804 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [60#L3true, 63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:33,805 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-20 10:30:33,805 INFO L386 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2022-11-20 10:30:33,805 INFO L386 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2022-11-20 10:30:33,805 INFO L386 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2022-11-20 10:30:34,157 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][184], [139#L3-1true, 63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 222#(and (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1))), 193#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:34,157 INFO L383 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2022-11-20 10:30:34,157 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-20 10:30:34,157 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-20 10:30:34,157 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-20 10:30:34,159 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, 27#L2-1true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:34,159 INFO L383 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2022-11-20 10:30:34,159 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-20 10:30:34,159 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-20 10:30:34,159 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-20 10:30:34,786 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([382] L887-->L890: Formula: (= v_~main$tmp_guard1~0_2 (ite (= (ite (not (and (= 2 v_~y~0_4) (= v_~__unbuffered_p3_EBX~0_3 0) (= v_~__unbuffered_p0_EAX~0_3 0) (= 2 v_~z~0_4) (= v_~__unbuffered_p3_EAX~0_3 1))) 1 0) 0) 0 1)) InVars {~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_3, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_3, ~z~0=v_~z~0_4, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_3, ~y~0=v_~y~0_4} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_3, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_3, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_2, ~z~0=v_~z~0_4, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_3, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~main$tmp_guard1~0][194], [24#L829true, 63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 53#L890true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:34,786 INFO L383 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2022-11-20 10:30:34,786 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-20 10:30:34,786 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-20 10:30:34,786 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-20 10:30:34,787 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, 131#L887true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:34,787 INFO L383 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2022-11-20 10:30:34,787 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-20 10:30:34,787 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-20 10:30:34,787 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-20 10:30:35,617 INFO L130 PetriNetUnfolder]: 18186/30905 cut-off events. [2022-11-20 10:30:35,617 INFO L131 PetriNetUnfolder]: For 33774/36869 co-relation queries the response was YES. [2022-11-20 10:30:35,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73732 conditions, 30905 events. 18186/30905 cut-off events. For 33774/36869 co-relation queries the response was YES. Maximal size of possible extension queue 1942. Compared 269433 event pairs, 1899 based on Foata normal form. 61/28907 useless extension candidates. Maximal degree in co-relation 73658. Up to 9986 conditions per place. [2022-11-20 10:30:35,847 INFO L137 encePairwiseOnDemand]: 128/139 looper letters, 93 selfloop transitions, 20 changer transitions 0/214 dead transitions. [2022-11-20 10:30:35,848 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 214 transitions, 898 flow [2022-11-20 10:30:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:30:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-20 10:30:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1227 transitions. [2022-11-20 10:30:35,852 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8827338129496403 [2022-11-20 10:30:35,852 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1227 transitions. [2022-11-20 10:30:35,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1227 transitions. [2022-11-20 10:30:35,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:35,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1227 transitions. [2022-11-20 10:30:35,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 122.7) internal successors, (1227), 10 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:35,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:35,860 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:35,860 INFO L175 Difference]: Start difference. First operand has 152 places, 125 transitions, 404 flow. Second operand 10 states and 1227 transitions. [2022-11-20 10:30:35,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 214 transitions, 898 flow [2022-11-20 10:30:35,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 214 transitions, 882 flow, removed 6 selfloop flow, removed 4 redundant places. [2022-11-20 10:30:35,923 INFO L231 Difference]: Finished difference. Result has 157 places, 143 transitions, 531 flow [2022-11-20 10:30:35,923 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=531, PETRI_PLACES=157, PETRI_TRANSITIONS=143} [2022-11-20 10:30:35,925 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 11 predicate places. [2022-11-20 10:30:35,925 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 143 transitions, 531 flow [2022-11-20 10:30:35,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:35,926 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:35,927 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:35,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:30:35,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:30:35,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash -777903492, now seen corresponding path program 1 times [2022-11-20 10:30:35,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:35,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124342446] [2022-11-20 10:30:35,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:35,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:36,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:36,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124342446] [2022-11-20 10:30:36,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124342446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:36,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:36,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:30:36,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630008362] [2022-11-20 10:30:36,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:36,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:30:36,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:36,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:30:36,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:30:36,312 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 139 [2022-11-20 10:30:36,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 143 transitions, 531 flow. Second operand has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:36,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:36,314 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 139 [2022-11-20 10:30:36,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:41,799 INFO L130 PetriNetUnfolder]: 9883/24291 cut-off events. [2022-11-20 10:30:41,799 INFO L131 PetriNetUnfolder]: For 41363/44693 co-relation queries the response was YES. [2022-11-20 10:30:41,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68603 conditions, 24291 events. 9883/24291 cut-off events. For 41363/44693 co-relation queries the response was YES. Maximal size of possible extension queue 1448. Compared 280804 event pairs, 2046 based on Foata normal form. 568/23342 useless extension candidates. Maximal degree in co-relation 68520. Up to 3992 conditions per place. [2022-11-20 10:30:42,059 INFO L137 encePairwiseOnDemand]: 125/139 looper letters, 125 selfloop transitions, 38 changer transitions 0/270 dead transitions. [2022-11-20 10:30:42,060 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 270 transitions, 1489 flow [2022-11-20 10:30:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 10:30:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-20 10:30:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1528 transitions. [2022-11-20 10:30:42,065 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8456004427227449 [2022-11-20 10:30:42,065 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1528 transitions. [2022-11-20 10:30:42,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1528 transitions. [2022-11-20 10:30:42,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:42,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1528 transitions. [2022-11-20 10:30:42,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.53846153846153) internal successors, (1528), 13 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:42,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:42,077 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:42,077 INFO L175 Difference]: Start difference. First operand has 157 places, 143 transitions, 531 flow. Second operand 13 states and 1528 transitions. [2022-11-20 10:30:42,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 270 transitions, 1489 flow [2022-11-20 10:30:42,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 270 transitions, 1479 flow, removed 4 selfloop flow, removed 1 redundant places. [2022-11-20 10:30:42,534 INFO L231 Difference]: Finished difference. Result has 180 places, 172 transitions, 966 flow [2022-11-20 10:30:42,535 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=966, PETRI_PLACES=180, PETRI_TRANSITIONS=172} [2022-11-20 10:30:42,536 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 34 predicate places. [2022-11-20 10:30:42,536 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 172 transitions, 966 flow [2022-11-20 10:30:42,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:42,537 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:42,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:42,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:30:42,538 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:30:42,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:42,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1336310905, now seen corresponding path program 1 times [2022-11-20 10:30:42,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:42,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123697379] [2022-11-20 10:30:42,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:42,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:42,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:42,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123697379] [2022-11-20 10:30:42,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123697379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:42,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:42,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:30:42,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907505208] [2022-11-20 10:30:42,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:42,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:30:42,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:42,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:30:42,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:30:42,978 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2022-11-20 10:30:42,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 172 transitions, 966 flow. Second operand has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:42,980 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:42,980 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2022-11-20 10:30:42,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:44,832 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][157], [220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(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))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 29#L876-3true, 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:44,833 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-20 10:30:44,833 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-20 10:30:44,833 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-20 10:30:44,833 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-20 10:30:46,747 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][157], [240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 94#L879true, Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:46,748 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is not cut-off event [2022-11-20 10:30:46,748 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-20 10:30:46,748 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-20 10:30:46,748 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-20 10:30:46,749 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][171], [240#true, 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, 91#L880-1true, Black: 262#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(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))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:46,750 INFO L383 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-11-20 10:30:46,750 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:30:46,750 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:30:46,750 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:30:48,624 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][171], [240#true, 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 73#L2true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:48,624 INFO L383 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-11-20 10:30:48,625 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-20 10:30:48,625 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-20 10:30:48,625 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-20 10:30:49,365 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][187], [60#L3true, 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(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))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 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(div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:49,365 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-20 10:30:49,366 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:30:49,366 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:30:49,366 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:30:50,326 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][187], [139#L3-1true, 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 222#(and (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1))), Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:50,327 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-20 10:30:50,327 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:30:50,327 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:30:50,327 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:30:54,687 INFO L130 PetriNetUnfolder]: 28269/50085 cut-off events. [2022-11-20 10:30:54,687 INFO L131 PetriNetUnfolder]: For 116130/125568 co-relation queries the response was YES. [2022-11-20 10:30:55,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159575 conditions, 50085 events. 28269/50085 cut-off events. For 116130/125568 co-relation queries the response was YES. Maximal size of possible extension queue 3261. Compared 494938 event pairs, 1720 based on Foata normal form. 1190/49512 useless extension candidates. Maximal degree in co-relation 159479. Up to 10216 conditions per place. [2022-11-20 10:30:55,194 INFO L137 encePairwiseOnDemand]: 128/139 looper letters, 129 selfloop transitions, 38 changer transitions 9/299 dead transitions. [2022-11-20 10:30:55,194 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 299 transitions, 2052 flow [2022-11-20 10:30:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 10:30:55,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-20 10:30:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1600 transitions. [2022-11-20 10:30:55,199 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8854454897620365 [2022-11-20 10:30:55,200 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1600 transitions. [2022-11-20 10:30:55,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1600 transitions. [2022-11-20 10:30:55,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:55,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1600 transitions. [2022-11-20 10:30:55,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.07692307692308) internal successors, (1600), 13 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:55,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:55,212 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:55,212 INFO L175 Difference]: Start difference. First operand has 180 places, 172 transitions, 966 flow. Second operand 13 states and 1600 transitions. [2022-11-20 10:30:55,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 299 transitions, 2052 flow [2022-11-20 10:30:57,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 299 transitions, 1998 flow, removed 27 selfloop flow, removed 0 redundant places. [2022-11-20 10:30:57,554 INFO L231 Difference]: Finished difference. Result has 198 places, 186 transitions, 1145 flow [2022-11-20 10:30:57,554 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1145, PETRI_PLACES=198, PETRI_TRANSITIONS=186} [2022-11-20 10:30:57,557 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 52 predicate places. [2022-11-20 10:30:57,557 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 186 transitions, 1145 flow [2022-11-20 10:30:57,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:57,558 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:57,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:57,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:30:57,559 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:30:57,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:57,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1669618179, now seen corresponding path program 1 times [2022-11-20 10:30:57,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:57,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170721201] [2022-11-20 10:30:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:57,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:58,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:58,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170721201] [2022-11-20 10:30:58,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170721201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:58,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:58,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 10:30:58,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989106792] [2022-11-20 10:30:58,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:58,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:30:58,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:58,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:30:58,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:30:58,226 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2022-11-20 10:30:58,227 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 186 transitions, 1145 flow. Second operand has 8 states, 8 states have (on average 114.125) internal successors, (913), 8 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:58,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:58,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2022-11-20 10:30:58,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:59,336 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][158], [220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(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))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P2Thread1of1ForFork0InUse, Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 256#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), 317#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 29#L876-3true, 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:30:59,337 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-20 10:30:59,337 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-20 10:30:59,337 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-20 10:30:59,337 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-20 10:31:01,527 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][158], [240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 94#L879true, Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), 317#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:31:01,527 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is not cut-off event [2022-11-20 10:31:01,527 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-20 10:31:01,527 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-20 10:31:01,527 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-20 10:31:01,528 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][172], [240#true, 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, 91#L880-1true, Black: 262#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(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))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 325#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:31:01,528 INFO L383 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-11-20 10:31:01,528 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:31:01,528 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:31:01,528 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-20 10:31:02,901 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][172], [240#true, 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 73#L2true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 325#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:31:02,901 INFO L383 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-11-20 10:31:02,901 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-20 10:31:02,901 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-20 10:31:02,901 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-20 10:31:03,794 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][188], [60#L3true, 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(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))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 327#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(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))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 76#L845true, Black: 160#(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))), Black: 175#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(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))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:31:03,794 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-20 10:31:03,794 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:31:03,794 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:31:03,794 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-20 10:31:04,792 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][188], [139#L3-1true, 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 327#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 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Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-20 10:31:04,793 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-20 10:31:04,793 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:31:04,793 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:31:04,793 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-20 10:31:08,451 INFO L130 PetriNetUnfolder]: 27188/48337 cut-off events. [2022-11-20 10:31:08,452 INFO L131 PetriNetUnfolder]: For 182849/192147 co-relation queries the response was YES. [2022-11-20 10:31:08,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182823 conditions, 48337 events. 27188/48337 cut-off events. For 182849/192147 co-relation queries the response was YES. Maximal size of possible extension queue 3238. Compared 483661 event pairs, 1631 based on Foata normal form. 775/47368 useless extension candidates. Maximal degree in co-relation 182718. Up to 9840 conditions per place. [2022-11-20 10:31:08,895 INFO L137 encePairwiseOnDemand]: 128/139 looper letters, 126 selfloop transitions, 58 changer transitions 50/344 dead transitions. [2022-11-20 10:31:08,895 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 344 transitions, 2689 flow [2022-11-20 10:31:08,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 10:31:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-11-20 10:31:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1972 transitions. [2022-11-20 10:31:08,901 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8866906474820144 [2022-11-20 10:31:08,901 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1972 transitions. [2022-11-20 10:31:08,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1972 transitions. [2022-11-20 10:31:08,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:31:08,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1972 transitions. [2022-11-20 10:31:08,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 123.25) internal successors, (1972), 16 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:08,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 139.0) internal successors, (2363), 17 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:08,914 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 139.0) internal successors, (2363), 17 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:08,914 INFO L175 Difference]: Start difference. First operand has 198 places, 186 transitions, 1145 flow. Second operand 16 states and 1972 transitions. [2022-11-20 10:31:08,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 344 transitions, 2689 flow [2022-11-20 10:31:34,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 344 transitions, 2572 flow, removed 49 selfloop flow, removed 4 redundant places. [2022-11-20 10:31:34,569 INFO L231 Difference]: Finished difference. Result has 213 places, 199 transitions, 1375 flow [2022-11-20 10:31:34,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1375, PETRI_PLACES=213, PETRI_TRANSITIONS=199} [2022-11-20 10:31:34,570 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 67 predicate places. [2022-11-20 10:31:34,570 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 199 transitions, 1375 flow [2022-11-20 10:31:34,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 114.125) internal successors, (913), 8 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:34,571 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:31:34,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:34,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:31:34,571 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:31:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:34,572 INFO L85 PathProgramCache]: Analyzing trace with hash 313089870, now seen corresponding path program 1 times [2022-11-20 10:31:34,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:34,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625186341] [2022-11-20 10:31:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:35,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:35,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625186341] [2022-11-20 10:31:35,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625186341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:35,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:35,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 10:31:35,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403959760] [2022-11-20 10:31:35,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:35,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:31:35,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:35,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:31:35,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:31:35,586 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 139 [2022-11-20 10:31:35,587 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 199 transitions, 1375 flow. Second operand has 9 states, 9 states have (on average 103.55555555555556) internal successors, (932), 9 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:35,587 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:31:35,587 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 139 [2022-11-20 10:31:35,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand