./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a --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 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1 --- 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-b5237d8 [2022-11-21 13:57:16,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:57:16,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:57:16,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:57:16,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:57:16,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:57:16,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:57:16,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:57:16,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:57:16,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:57:16,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:57:16,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:57:16,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:57:16,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:57:16,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:57:16,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:57:16,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:57:16,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:57:16,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:57:16,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:57:16,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:57:16,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:57:16,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:57:16,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:57:16,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:57:16,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:57:16,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:57:16,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:57:16,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:57:16,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:57:16,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:57:16,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:57:16,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:57:16,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:57:17,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:57:17,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:57:17,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:57:17,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:57:17,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:57:17,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:57:17,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:57:17,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 13:57:17,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:57:17,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:57:17,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:57:17,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:57:17,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:57:17,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:57:17,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:57:17,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:57:17,030 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:57:17,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:57:17,031 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:57:17,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:57:17,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:57:17,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:57:17,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:57:17,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:57:17,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:57:17,032 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:57:17,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:57:17,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:57:17,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:57:17,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:57:17,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:57:17,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:57:17,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:57:17,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:57:17,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:57:17,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:57:17,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:57:17,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:57:17,035 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:57:17,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:57:17,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:57:17,036 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_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1 [2022-11-21 13:57:17,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:57:17,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:57:17,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:57:17,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:57:17,354 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:57:17,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i [2022-11-21 13:57:20,451 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:57:20,733 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:57:20,734 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i [2022-11-21 13:57:20,749 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/data/016c9f3a0/164b0c13cf5b49009e44cdd3d1f9e5f0/FLAGa7e703bf6 [2022-11-21 13:57:20,767 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/data/016c9f3a0/164b0c13cf5b49009e44cdd3d1f9e5f0 [2022-11-21 13:57:20,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:57:20,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:57:20,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:57:20,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:57:20,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:57:20,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:57:20" (1/1) ... [2022-11-21 13:57:20,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27296145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:20, skipping insertion in model container [2022-11-21 13:57:20,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:57:20" (1/1) ... [2022-11-21 13:57:20,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:57:20,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:57:21,074 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_161aa360-2d62-4bab-8ee3-2ec0a339907d/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i[949,962] [2022-11-21 13:57:21,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:57:21,363 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:57:21,377 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_161aa360-2d62-4bab-8ee3-2ec0a339907d/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i[949,962] [2022-11-21 13:57:21,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:57:21,516 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:57:21,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21 WrapperNode [2022-11-21 13:57:21,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:57:21,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:57:21,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:57:21,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:57:21,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,615 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 158 [2022-11-21 13:57:21,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:57:21,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:57:21,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:57:21,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:57:21,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,671 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:57:21,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:57:21,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:57:21,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:57:21,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (1/1) ... [2022-11-21 13:57:21,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:57:21,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:57:21,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:57:21,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_161aa360-2d62-4bab-8ee3-2ec0a339907d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:57:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:57:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 13:57:21,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:57:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:57:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:57:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-21 13:57:21,781 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-21 13:57:21,781 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-21 13:57:21,782 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-21 13:57:21,782 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-21 13:57:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-21 13:57:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-21 13:57:21,783 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-21 13:57:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:57:21,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 13:57:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:57:21,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:57:21,786 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 13:57:21,935 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:57:21,937 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:57:22,383 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:57:22,591 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:57:22,592 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 13:57:22,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:57:22 BoogieIcfgContainer [2022-11-21 13:57:22,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:57:22,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:57:22,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:57:22,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:57:22,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:57:20" (1/3) ... [2022-11-21 13:57:22,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d35a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:57:22, skipping insertion in model container [2022-11-21 13:57:22,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:57:21" (2/3) ... [2022-11-21 13:57:22,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d35a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:57:22, skipping insertion in model container [2022-11-21 13:57:22,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:57:22" (3/3) ... [2022-11-21 13:57:22,605 INFO L112 eAbstractionObserver]: Analyzing ICFG mix053_tso.oepc.i [2022-11-21 13:57:22,615 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 13:57:22,628 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:57:22,628 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 13:57:22,628 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 13:57:22,722 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 13:57:22,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 134 transitions, 288 flow [2022-11-21 13:57:22,840 INFO L130 PetriNetUnfolder]: 2/130 cut-off events. [2022-11-21 13:57:22,840 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 13:57:22,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 130 events. 2/130 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-11-21 13:57:22,849 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 134 transitions, 288 flow [2022-11-21 13:57:22,859 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 130 transitions, 272 flow [2022-11-21 13:57:22,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:57:22,885 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;@56d774da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:57:22,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-21 13:57:22,909 INFO L130 PetriNetUnfolder]: 0/76 cut-off events. [2022-11-21 13:57:22,910 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 13:57:22,910 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:22,911 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] [2022-11-21 13:57:22,914 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:22,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:22,921 INFO L85 PathProgramCache]: Analyzing trace with hash 474345304, now seen corresponding path program 1 times [2022-11-21 13:57:22,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:22,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678891140] [2022-11-21 13:57:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:22,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:23,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:23,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678891140] [2022-11-21 13:57:23,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678891140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:23,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:23,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 13:57:23,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984112127] [2022-11-21 13:57:23,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:23,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 13:57:23,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:23,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 13:57:23,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 13:57:23,777 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 134 [2022-11-21 13:57:23,781 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 130 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:23,781 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:23,781 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 134 [2022-11-21 13:57:23,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:57:24,037 INFO L130 PetriNetUnfolder]: 57/522 cut-off events. [2022-11-21 13:57:24,037 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-21 13:57:24,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 522 events. 57/522 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2642 event pairs, 31 based on Foata normal form. 15/507 useless extension candidates. Maximal degree in co-relation 595. Up to 75 conditions per place. [2022-11-21 13:57:24,051 INFO L137 encePairwiseOnDemand]: 129/134 looper letters, 14 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2022-11-21 13:57:24,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 131 transitions, 309 flow [2022-11-21 13:57:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 13:57:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 13:57:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2022-11-21 13:57:24,075 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9402985074626866 [2022-11-21 13:57:24,076 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 378 transitions. [2022-11-21 13:57:24,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 378 transitions. [2022-11-21 13:57:24,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:57:24,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 378 transitions. [2022-11-21 13:57:24,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:24,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:24,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:24,105 INFO L175 Difference]: Start difference. First operand has 141 places, 130 transitions, 272 flow. Second operand 3 states and 378 transitions. [2022-11-21 13:57:24,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 131 transitions, 309 flow [2022-11-21 13:57:24,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 131 transitions, 304 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 13:57:24,116 INFO L231 Difference]: Finished difference. Result has 137 places, 126 transitions, 264 flow [2022-11-21 13:57:24,119 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=137, PETRI_TRANSITIONS=126} [2022-11-21 13:57:24,128 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, -4 predicate places. [2022-11-21 13:57:24,128 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 126 transitions, 264 flow [2022-11-21 13:57:24,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:24,129 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:24,130 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] [2022-11-21 13:57:24,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:57:24,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:24,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:24,131 INFO L85 PathProgramCache]: Analyzing trace with hash 996305905, now seen corresponding path program 1 times [2022-11-21 13:57:24,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:24,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19899821] [2022-11-21 13:57:24,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:24,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:25,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:25,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:25,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19899821] [2022-11-21 13:57:25,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19899821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:25,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:25,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:57:25,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362227280] [2022-11-21 13:57:25,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:25,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:57:25,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:25,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:57:25,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:57:25,597 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 134 [2022-11-21 13:57:25,598 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 126 transitions, 264 flow. Second operand has 7 states, 7 states have (on average 102.0) internal successors, (714), 7 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:25,598 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:25,598 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 134 [2022-11-21 13:57:25,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:57:28,482 INFO L130 PetriNetUnfolder]: 4079/10433 cut-off events. [2022-11-21 13:57:28,482 INFO L131 PetriNetUnfolder]: For 437/437 co-relation queries the response was YES. [2022-11-21 13:57:28,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16868 conditions, 10433 events. 4079/10433 cut-off events. For 437/437 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 102583 event pairs, 314 based on Foata normal form. 0/10209 useless extension candidates. Maximal degree in co-relation 16804. Up to 2757 conditions per place. [2022-11-21 13:57:28,561 INFO L137 encePairwiseOnDemand]: 120/134 looper letters, 44 selfloop transitions, 12 changer transitions 101/239 dead transitions. [2022-11-21 13:57:28,561 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 239 transitions, 810 flow [2022-11-21 13:57:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 13:57:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-21 13:57:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1434 transitions. [2022-11-21 13:57:28,568 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8231917336394948 [2022-11-21 13:57:28,568 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1434 transitions. [2022-11-21 13:57:28,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1434 transitions. [2022-11-21 13:57:28,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:57:28,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1434 transitions. [2022-11-21 13:57:28,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 110.3076923076923) internal successors, (1434), 13 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:28,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 134.0) internal successors, (1876), 14 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:28,582 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 134.0) internal successors, (1876), 14 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:28,583 INFO L175 Difference]: Start difference. First operand has 137 places, 126 transitions, 264 flow. Second operand 13 states and 1434 transitions. [2022-11-21 13:57:28,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 239 transitions, 810 flow [2022-11-21 13:57:28,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 239 transitions, 784 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 13:57:28,593 INFO L231 Difference]: Finished difference. Result has 158 places, 122 transitions, 363 flow [2022-11-21 13:57:28,594 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=363, PETRI_PLACES=158, PETRI_TRANSITIONS=122} [2022-11-21 13:57:28,594 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 17 predicate places. [2022-11-21 13:57:28,595 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 122 transitions, 363 flow [2022-11-21 13:57:28,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 102.0) internal successors, (714), 7 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:28,596 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:28,596 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] [2022-11-21 13:57:28,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:57:28,597 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:28,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:28,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1132903536, now seen corresponding path program 1 times [2022-11-21 13:57:28,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:28,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911296649] [2022-11-21 13:57:28,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:28,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:30,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:30,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911296649] [2022-11-21 13:57:30,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911296649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:30,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:30,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 13:57:30,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288059206] [2022-11-21 13:57:30,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:30,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 13:57:30,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:30,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 13:57:30,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-21 13:57:30,283 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 134 [2022-11-21 13:57:30,284 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 122 transitions, 363 flow. Second operand has 10 states, 10 states have (on average 101.2) internal successors, (1012), 10 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:30,285 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:30,285 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 134 [2022-11-21 13:57:30,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:57:33,039 INFO L130 PetriNetUnfolder]: 3221/6510 cut-off events. [2022-11-21 13:57:33,040 INFO L131 PetriNetUnfolder]: For 13623/16121 co-relation queries the response was YES. [2022-11-21 13:57:33,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22633 conditions, 6510 events. 3221/6510 cut-off events. For 13623/16121 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 51032 event pairs, 446 based on Foata normal form. 147/6485 useless extension candidates. Maximal degree in co-relation 22558. Up to 2757 conditions per place. [2022-11-21 13:57:33,111 INFO L137 encePairwiseOnDemand]: 115/134 looper letters, 52 selfloop transitions, 37 changer transitions 143/314 dead transitions. [2022-11-21 13:57:33,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 314 transitions, 2046 flow [2022-11-21 13:57:33,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-21 13:57:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-11-21 13:57:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2378 transitions. [2022-11-21 13:57:33,118 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8066485753052918 [2022-11-21 13:57:33,118 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2378 transitions. [2022-11-21 13:57:33,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2378 transitions. [2022-11-21 13:57:33,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:57:33,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2378 transitions. [2022-11-21 13:57:33,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 108.0909090909091) internal successors, (2378), 22 states have internal predecessors, (2378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:33,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 134.0) internal successors, (3082), 23 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:33,148 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 134.0) internal successors, (3082), 23 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:33,149 INFO L175 Difference]: Start difference. First operand has 158 places, 122 transitions, 363 flow. Second operand 22 states and 2378 transitions. [2022-11-21 13:57:33,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 314 transitions, 2046 flow [2022-11-21 13:57:33,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 314 transitions, 1982 flow, removed 32 selfloop flow, removed 6 redundant places. [2022-11-21 13:57:33,308 INFO L231 Difference]: Finished difference. Result has 169 places, 151 transitions, 767 flow [2022-11-21 13:57:33,309 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=767, PETRI_PLACES=169, PETRI_TRANSITIONS=151} [2022-11-21 13:57:33,309 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 28 predicate places. [2022-11-21 13:57:33,310 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 151 transitions, 767 flow [2022-11-21 13:57:33,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 101.2) internal successors, (1012), 10 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:33,311 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:33,311 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] [2022-11-21 13:57:33,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:57:33,312 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:33,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:33,312 INFO L85 PathProgramCache]: Analyzing trace with hash -891852986, now seen corresponding path program 1 times [2022-11-21 13:57:33,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:33,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644592569] [2022-11-21 13:57:33,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:33,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:34,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:34,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644592569] [2022-11-21 13:57:34,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644592569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:34,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:34,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 13:57:34,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058205415] [2022-11-21 13:57:34,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:34,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 13:57:34,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:34,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 13:57:34,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:57:34,489 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 134 [2022-11-21 13:57:34,493 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 151 transitions, 767 flow. Second operand has 9 states, 9 states have (on average 101.55555555555556) internal successors, (914), 9 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:34,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:34,493 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 134 [2022-11-21 13:57:34,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:57:37,482 INFO L130 PetriNetUnfolder]: 2703/5821 cut-off events. [2022-11-21 13:57:37,483 INFO L131 PetriNetUnfolder]: For 46334/54724 co-relation queries the response was YES. [2022-11-21 13:57:37,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29920 conditions, 5821 events. 2703/5821 cut-off events. For 46334/54724 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 46316 event pairs, 494 based on Foata normal form. 131/5779 useless extension candidates. Maximal degree in co-relation 29824. Up to 2477 conditions per place. [2022-11-21 13:57:37,588 INFO L137 encePairwiseOnDemand]: 116/134 looper letters, 71 selfloop transitions, 49 changer transitions 86/288 dead transitions. [2022-11-21 13:57:37,588 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 288 transitions, 2857 flow [2022-11-21 13:57:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 13:57:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2022-11-21 13:57:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2038 transitions. [2022-11-21 13:57:37,595 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.800471327572663 [2022-11-21 13:57:37,596 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2038 transitions. [2022-11-21 13:57:37,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2038 transitions. [2022-11-21 13:57:37,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:57:37,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2038 transitions. [2022-11-21 13:57:37,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 107.26315789473684) internal successors, (2038), 19 states have internal predecessors, (2038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:37,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 134.0) internal successors, (2680), 20 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:37,613 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 134.0) internal successors, (2680), 20 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:37,613 INFO L175 Difference]: Start difference. First operand has 169 places, 151 transitions, 767 flow. Second operand 19 states and 2038 transitions. [2022-11-21 13:57:37,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 288 transitions, 2857 flow [2022-11-21 13:57:37,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 288 transitions, 2473 flow, removed 191 selfloop flow, removed 13 redundant places. [2022-11-21 13:57:37,758 INFO L231 Difference]: Finished difference. Result has 175 places, 172 transitions, 1176 flow [2022-11-21 13:57:37,764 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1176, PETRI_PLACES=175, PETRI_TRANSITIONS=172} [2022-11-21 13:57:37,765 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 34 predicate places. [2022-11-21 13:57:37,766 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 172 transitions, 1176 flow [2022-11-21 13:57:37,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 101.55555555555556) internal successors, (914), 9 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:37,769 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:37,770 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] [2022-11-21 13:57:37,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:57:37,770 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:37,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:37,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1913361458, now seen corresponding path program 1 times [2022-11-21 13:57:37,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:37,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846606659] [2022-11-21 13:57:37,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:37,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:39,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:39,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846606659] [2022-11-21 13:57:39,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846606659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:39,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:39,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 13:57:39,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854357179] [2022-11-21 13:57:39,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:39,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 13:57:39,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:39,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 13:57:39,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:57:39,595 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 134 [2022-11-21 13:57:39,597 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 172 transitions, 1176 flow. Second operand has 11 states, 11 states have (on average 101.0909090909091) internal successors, (1112), 11 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:39,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:39,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 134 [2022-11-21 13:57:39,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:57:41,822 INFO L130 PetriNetUnfolder]: 2935/6098 cut-off events. [2022-11-21 13:57:41,822 INFO L131 PetriNetUnfolder]: For 52523/75005 co-relation queries the response was YES. [2022-11-21 13:57:41,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33412 conditions, 6098 events. 2935/6098 cut-off events. For 52523/75005 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 48304 event pairs, 437 based on Foata normal form. 127/6062 useless extension candidates. Maximal degree in co-relation 33307. Up to 2579 conditions per place. [2022-11-21 13:57:41,913 INFO L137 encePairwiseOnDemand]: 114/134 looper letters, 82 selfloop transitions, 74 changer transitions 107/345 dead transitions. [2022-11-21 13:57:41,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 345 transitions, 3822 flow [2022-11-21 13:57:41,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-21 13:57:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-11-21 13:57:41,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1926 transitions. [2022-11-21 13:57:41,920 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7985074626865671 [2022-11-21 13:57:41,920 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1926 transitions. [2022-11-21 13:57:41,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1926 transitions. [2022-11-21 13:57:41,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:57:41,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1926 transitions. [2022-11-21 13:57:41,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 107.0) internal successors, (1926), 18 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:41,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 134.0) internal successors, (2546), 19 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:41,937 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 134.0) internal successors, (2546), 19 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:41,938 INFO L175 Difference]: Start difference. First operand has 175 places, 172 transitions, 1176 flow. Second operand 18 states and 1926 transitions. [2022-11-21 13:57:41,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 345 transitions, 3822 flow [2022-11-21 13:57:42,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 345 transitions, 3640 flow, removed 90 selfloop flow, removed 10 redundant places. [2022-11-21 13:57:42,238 INFO L231 Difference]: Finished difference. Result has 183 places, 219 transitions, 2164 flow [2022-11-21 13:57:42,239 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=1138, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2164, PETRI_PLACES=183, PETRI_TRANSITIONS=219} [2022-11-21 13:57:42,242 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 42 predicate places. [2022-11-21 13:57:42,242 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 219 transitions, 2164 flow [2022-11-21 13:57:42,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 101.0909090909091) internal successors, (1112), 11 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:42,243 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:42,243 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] [2022-11-21 13:57:42,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:57:42,244 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:42,245 INFO L85 PathProgramCache]: Analyzing trace with hash 650572752, now seen corresponding path program 2 times [2022-11-21 13:57:42,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:42,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647591342] [2022-11-21 13:57:42,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:42,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:44,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:44,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647591342] [2022-11-21 13:57:44,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647591342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:44,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:44,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 13:57:44,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782203173] [2022-11-21 13:57:44,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:44,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 13:57:44,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:44,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 13:57:44,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:57:44,064 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 134 [2022-11-21 13:57:44,066 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 219 transitions, 2164 flow. Second operand has 12 states, 12 states have (on average 100.91666666666667) internal successors, (1211), 12 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:44,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:44,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 134 [2022-11-21 13:57:44,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:57:46,447 INFO L130 PetriNetUnfolder]: 2699/5790 cut-off events. [2022-11-21 13:57:46,448 INFO L131 PetriNetUnfolder]: For 69904/87640 co-relation queries the response was YES. [2022-11-21 13:57:46,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37302 conditions, 5790 events. 2699/5790 cut-off events. For 69904/87640 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 46198 event pairs, 416 based on Foata normal form. 209/5825 useless extension candidates. Maximal degree in co-relation 37186. Up to 2431 conditions per place. [2022-11-21 13:57:46,545 INFO L137 encePairwiseOnDemand]: 114/134 looper letters, 94 selfloop transitions, 90 changer transitions 107/373 dead transitions. [2022-11-21 13:57:46,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 373 transitions, 5151 flow [2022-11-21 13:57:46,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 13:57:46,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-11-21 13:57:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1827 transitions. [2022-11-21 13:57:46,551 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8020193151887621 [2022-11-21 13:57:46,552 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1827 transitions. [2022-11-21 13:57:46,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1827 transitions. [2022-11-21 13:57:46,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:57:46,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1827 transitions. [2022-11-21 13:57:46,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 107.47058823529412) internal successors, (1827), 17 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:46,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 134.0) internal successors, (2412), 18 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:46,565 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 134.0) internal successors, (2412), 18 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:46,565 INFO L175 Difference]: Start difference. First operand has 183 places, 219 transitions, 2164 flow. Second operand 17 states and 1827 transitions. [2022-11-21 13:57:46,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 373 transitions, 5151 flow [2022-11-21 13:57:46,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 373 transitions, 5095 flow, removed 24 selfloop flow, removed 7 redundant places. [2022-11-21 13:57:46,708 INFO L231 Difference]: Finished difference. Result has 196 places, 245 transitions, 3043 flow [2022-11-21 13:57:46,708 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=2126, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3043, PETRI_PLACES=196, PETRI_TRANSITIONS=245} [2022-11-21 13:57:46,711 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 55 predicate places. [2022-11-21 13:57:46,712 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 245 transitions, 3043 flow [2022-11-21 13:57:46,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 100.91666666666667) internal successors, (1211), 12 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:46,713 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:46,713 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] [2022-11-21 13:57:46,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 13:57:46,714 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash -198697176, now seen corresponding path program 1 times [2022-11-21 13:57:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:46,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070080121] [2022-11-21 13:57:46,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:48,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:48,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070080121] [2022-11-21 13:57:48,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070080121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:48,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:48,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 13:57:48,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808128176] [2022-11-21 13:57:48,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:48,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 13:57:48,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 13:57:48,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:57:48,192 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2022-11-21 13:57:48,193 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 245 transitions, 3043 flow. Second operand has 9 states, 9 states have (on average 110.0) internal successors, (990), 9 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:48,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:48,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2022-11-21 13:57:48,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:57:49,960 INFO L130 PetriNetUnfolder]: 2137/4489 cut-off events. [2022-11-21 13:57:49,960 INFO L131 PetriNetUnfolder]: For 113145/152454 co-relation queries the response was YES. [2022-11-21 13:57:49,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38296 conditions, 4489 events. 2137/4489 cut-off events. For 113145/152454 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 34404 event pairs, 449 based on Foata normal form. 826/5158 useless extension candidates. Maximal degree in co-relation 38170. Up to 2327 conditions per place. [2022-11-21 13:57:50,057 INFO L137 encePairwiseOnDemand]: 123/134 looper letters, 70 selfloop transitions, 57 changer transitions 43/312 dead transitions. [2022-11-21 13:57:50,057 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 312 transitions, 4821 flow [2022-11-21 13:57:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 13:57:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-21 13:57:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2022-11-21 13:57:50,064 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.850067842605156 [2022-11-21 13:57:50,064 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2022-11-21 13:57:50,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2022-11-21 13:57:50,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:57:50,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2022-11-21 13:57:50,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:50,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 134.0) internal successors, (1608), 12 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:50,075 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 134.0) internal successors, (1608), 12 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:50,075 INFO L175 Difference]: Start difference. First operand has 196 places, 245 transitions, 3043 flow. Second operand 11 states and 1253 transitions. [2022-11-21 13:57:50,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 312 transitions, 4821 flow [2022-11-21 13:57:50,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 312 transitions, 4609 flow, removed 103 selfloop flow, removed 12 redundant places. [2022-11-21 13:57:50,266 INFO L231 Difference]: Finished difference. Result has 193 places, 260 transitions, 3506 flow [2022-11-21 13:57:50,267 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=2969, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3506, PETRI_PLACES=193, PETRI_TRANSITIONS=260} [2022-11-21 13:57:50,268 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 52 predicate places. [2022-11-21 13:57:50,269 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 260 transitions, 3506 flow [2022-11-21 13:57:50,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 110.0) internal successors, (990), 9 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:50,269 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:50,270 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] [2022-11-21 13:57:50,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 13:57:50,270 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:50,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:50,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2047416538, now seen corresponding path program 2 times [2022-11-21 13:57:50,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:50,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756911408] [2022-11-21 13:57:50,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:50,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:51,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:51,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756911408] [2022-11-21 13:57:51,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756911408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:51,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:51,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 13:57:51,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248719945] [2022-11-21 13:57:51,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:51,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 13:57:51,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:51,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 13:57:51,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:57:51,995 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 134 [2022-11-21 13:57:51,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 260 transitions, 3506 flow. Second operand has 11 states, 11 states have (on average 101.18181818181819) internal successors, (1113), 11 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:51,997 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:51,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 134 [2022-11-21 13:57:51,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:57:54,968 INFO L130 PetriNetUnfolder]: 3188/6806 cut-off events. [2022-11-21 13:57:54,968 INFO L131 PetriNetUnfolder]: For 138328/154869 co-relation queries the response was YES. [2022-11-21 13:57:55,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54392 conditions, 6806 events. 3188/6806 cut-off events. For 138328/154869 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 55487 event pairs, 335 based on Foata normal form. 288/6901 useless extension candidates. Maximal degree in co-relation 54295. Up to 3087 conditions per place. [2022-11-21 13:57:55,071 INFO L137 encePairwiseOnDemand]: 117/134 looper letters, 110 selfloop transitions, 139 changer transitions 145/476 dead transitions. [2022-11-21 13:57:55,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 476 transitions, 8541 flow [2022-11-21 13:57:55,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-21 13:57:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2022-11-21 13:57:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2558 transitions. [2022-11-21 13:57:55,077 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7953980099502488 [2022-11-21 13:57:55,077 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2558 transitions. [2022-11-21 13:57:55,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2558 transitions. [2022-11-21 13:57:55,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:57:55,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2558 transitions. [2022-11-21 13:57:55,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 106.58333333333333) internal successors, (2558), 24 states have internal predecessors, (2558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:55,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 134.0) internal successors, (3350), 25 states have internal predecessors, (3350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:55,092 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 134.0) internal successors, (3350), 25 states have internal predecessors, (3350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:55,092 INFO L175 Difference]: Start difference. First operand has 193 places, 260 transitions, 3506 flow. Second operand 24 states and 2558 transitions. [2022-11-21 13:57:55,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 476 transitions, 8541 flow [2022-11-21 13:57:55,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 476 transitions, 8398 flow, removed 71 selfloop flow, removed 10 redundant places. [2022-11-21 13:57:55,393 INFO L231 Difference]: Finished difference. Result has 220 places, 303 transitions, 5074 flow [2022-11-21 13:57:55,393 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=3463, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=5074, PETRI_PLACES=220, PETRI_TRANSITIONS=303} [2022-11-21 13:57:55,394 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 79 predicate places. [2022-11-21 13:57:55,394 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 303 transitions, 5074 flow [2022-11-21 13:57:55,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 101.18181818181819) internal successors, (1113), 11 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:55,395 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:57:55,395 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] [2022-11-21 13:57:55,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 13:57:55,395 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:57:55,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:57:55,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1009067251, now seen corresponding path program 1 times [2022-11-21 13:57:55,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:57:55,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787540509] [2022-11-21 13:57:55,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:57:55,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:57:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:57:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:57:57,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:57:57,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787540509] [2022-11-21 13:57:57,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787540509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:57:57,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:57:57,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 13:57:57,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810877088] [2022-11-21 13:57:57,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:57:57,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 13:57:57,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:57:57,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 13:57:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:57:57,322 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 134 [2022-11-21 13:57:57,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 303 transitions, 5074 flow. Second operand has 13 states, 13 states have (on average 100.0) internal successors, (1300), 13 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:57:57,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:57:57,324 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 134 [2022-11-21 13:57:57,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:58:00,269 INFO L130 PetriNetUnfolder]: 2923/6077 cut-off events. [2022-11-21 13:58:00,269 INFO L131 PetriNetUnfolder]: For 174245/260926 co-relation queries the response was YES. [2022-11-21 13:58:00,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59281 conditions, 6077 events. 2923/6077 cut-off events. For 174245/260926 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 48216 event pairs, 224 based on Foata normal form. 161/6102 useless extension candidates. Maximal degree in co-relation 59135. Up to 2914 conditions per place. [2022-11-21 13:58:00,377 INFO L137 encePairwiseOnDemand]: 115/134 looper letters, 156 selfloop transitions, 122 changer transitions 150/509 dead transitions. [2022-11-21 13:58:00,378 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 509 transitions, 10946 flow [2022-11-21 13:58:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-21 13:58:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2022-11-21 13:58:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2424 transitions. [2022-11-21 13:58:00,383 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7865022712524334 [2022-11-21 13:58:00,383 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2424 transitions. [2022-11-21 13:58:00,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2424 transitions. [2022-11-21 13:58:00,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:58:00,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2424 transitions. [2022-11-21 13:58:00,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 105.3913043478261) internal successors, (2424), 23 states have internal predecessors, (2424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:00,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 134.0) internal successors, (3216), 24 states have internal predecessors, (3216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:00,396 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 134.0) internal successors, (3216), 24 states have internal predecessors, (3216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:00,396 INFO L175 Difference]: Start difference. First operand has 220 places, 303 transitions, 5074 flow. Second operand 23 states and 2424 transitions. [2022-11-21 13:58:00,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 509 transitions, 10946 flow [2022-11-21 13:58:00,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 509 transitions, 10779 flow, removed 81 selfloop flow, removed 10 redundant places. [2022-11-21 13:58:00,740 INFO L231 Difference]: Finished difference. Result has 234 places, 333 transitions, 6370 flow [2022-11-21 13:58:00,741 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=4997, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=6370, PETRI_PLACES=234, PETRI_TRANSITIONS=333} [2022-11-21 13:58:00,741 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 93 predicate places. [2022-11-21 13:58:00,741 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 333 transitions, 6370 flow [2022-11-21 13:58:00,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 100.0) internal successors, (1300), 13 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:00,743 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:58:00,743 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] [2022-11-21 13:58:00,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 13:58:00,743 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:58:00,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:58:00,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1086143449, now seen corresponding path program 1 times [2022-11-21 13:58:00,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:58:00,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075553583] [2022-11-21 13:58:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:58:00,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:58:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:58:00,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:58:00,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075553583] [2022-11-21 13:58:00,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075553583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:58:00,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:58:00,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:58:00,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868464456] [2022-11-21 13:58:00,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:58:00,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:58:00,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:58:00,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:58:00,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:58:00,989 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2022-11-21 13:58:00,990 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 333 transitions, 6370 flow. Second operand has 6 states, 6 states have (on average 110.5) internal successors, (663), 6 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:00,991 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:58:00,991 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2022-11-21 13:58:00,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:58:10,195 INFO L130 PetriNetUnfolder]: 17621/28875 cut-off events. [2022-11-21 13:58:10,195 INFO L131 PetriNetUnfolder]: For 1532722/1613147 co-relation queries the response was YES. [2022-11-21 13:58:10,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242646 conditions, 28875 events. 17621/28875 cut-off events. For 1532722/1613147 co-relation queries the response was YES. Maximal size of possible extension queue 2120. Compared 244318 event pairs, 805 based on Foata normal form. 6582/33499 useless extension candidates. Maximal degree in co-relation 242580. Up to 11872 conditions per place. [2022-11-21 13:58:10,987 INFO L137 encePairwiseOnDemand]: 123/134 looper letters, 483 selfloop transitions, 20 changer transitions 153/822 dead transitions. [2022-11-21 13:58:10,987 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 822 transitions, 21659 flow [2022-11-21 13:58:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 13:58:10,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-21 13:58:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1172 transitions. [2022-11-21 13:58:10,991 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8746268656716418 [2022-11-21 13:58:10,991 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1172 transitions. [2022-11-21 13:58:10,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1172 transitions. [2022-11-21 13:58:10,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:58:10,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1172 transitions. [2022-11-21 13:58:10,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 117.2) internal successors, (1172), 10 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:10,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:10,996 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:10,997 INFO L175 Difference]: Start difference. First operand has 234 places, 333 transitions, 6370 flow. Second operand 10 states and 1172 transitions. [2022-11-21 13:58:10,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 822 transitions, 21659 flow [2022-11-21 13:58:12,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 822 transitions, 20183 flow, removed 462 selfloop flow, removed 16 redundant places. [2022-11-21 13:58:12,896 INFO L231 Difference]: Finished difference. Result has 221 places, 324 transitions, 5432 flow [2022-11-21 13:58:12,896 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=5289, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5432, PETRI_PLACES=221, PETRI_TRANSITIONS=324} [2022-11-21 13:58:12,897 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 80 predicate places. [2022-11-21 13:58:12,897 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 324 transitions, 5432 flow [2022-11-21 13:58:12,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.5) internal successors, (663), 6 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:12,898 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:58:12,898 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] [2022-11-21 13:58:12,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 13:58:12,899 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:58:12,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:58:12,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1407091481, now seen corresponding path program 1 times [2022-11-21 13:58:12,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:58:12,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722253654] [2022-11-21 13:58:12,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:58:12,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:58:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:58:14,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:58:14,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722253654] [2022-11-21 13:58:14,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722253654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:58:14,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:58:14,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 13:58:14,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228133582] [2022-11-21 13:58:14,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:58:14,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 13:58:14,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:58:14,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 13:58:14,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:58:14,152 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 134 [2022-11-21 13:58:14,154 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 324 transitions, 5432 flow. Second operand has 12 states, 12 states have (on average 107.75) internal successors, (1293), 12 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:14,154 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:58:14,154 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 134 [2022-11-21 13:58:14,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:58:17,862 INFO L130 PetriNetUnfolder]: 4217/12832 cut-off events. [2022-11-21 13:58:17,862 INFO L131 PetriNetUnfolder]: For 180554/197772 co-relation queries the response was YES. [2022-11-21 13:58:18,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74640 conditions, 12832 events. 4217/12832 cut-off events. For 180554/197772 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 154144 event pairs, 975 based on Foata normal form. 1019/12750 useless extension candidates. Maximal degree in co-relation 74580. Up to 2976 conditions per place. [2022-11-21 13:58:18,150 INFO L137 encePairwiseOnDemand]: 123/134 looper letters, 149 selfloop transitions, 72 changer transitions 0/385 dead transitions. [2022-11-21 13:58:18,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 385 transitions, 7430 flow [2022-11-21 13:58:18,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 13:58:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-21 13:58:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1442 transitions. [2022-11-21 13:58:18,154 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8277841561423651 [2022-11-21 13:58:18,154 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1442 transitions. [2022-11-21 13:58:18,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1442 transitions. [2022-11-21 13:58:18,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:58:18,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1442 transitions. [2022-11-21 13:58:18,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 110.92307692307692) internal successors, (1442), 13 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:18,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 134.0) internal successors, (1876), 14 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:18,162 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 134.0) internal successors, (1876), 14 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:18,163 INFO L175 Difference]: Start difference. First operand has 221 places, 324 transitions, 5432 flow. Second operand 13 states and 1442 transitions. [2022-11-21 13:58:18,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 385 transitions, 7430 flow [2022-11-21 13:58:18,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 385 transitions, 7418 flow, removed 5 selfloop flow, removed 4 redundant places. [2022-11-21 13:58:18,439 INFO L231 Difference]: Finished difference. Result has 236 places, 347 transitions, 6357 flow [2022-11-21 13:58:18,440 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=5420, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6357, PETRI_PLACES=236, PETRI_TRANSITIONS=347} [2022-11-21 13:58:18,440 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 95 predicate places. [2022-11-21 13:58:18,440 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 347 transitions, 6357 flow [2022-11-21 13:58:18,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 107.75) internal successors, (1293), 12 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:18,441 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:58:18,441 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] [2022-11-21 13:58:18,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 13:58:18,441 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:58:18,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:58:18,441 INFO L85 PathProgramCache]: Analyzing trace with hash 219273641, now seen corresponding path program 1 times [2022-11-21 13:58:18,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:58:18,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616024974] [2022-11-21 13:58:18,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:58:18,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:58:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:58:18,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:58:18,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616024974] [2022-11-21 13:58:18,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616024974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:58:18,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:58:18,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:58:18,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269459161] [2022-11-21 13:58:18,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:58:18,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:58:18,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:58:18,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:58:18,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:58:18,759 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2022-11-21 13:58:18,761 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 347 transitions, 6357 flow. Second operand has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:18,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:58:18,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2022-11-21 13:58:18,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:58:24,929 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([395] L797-->L804: Formula: (let ((.cse1 (not (= (mod v_~y$r_buff1_thd3~0_16 256) 0))) (.cse2 (not (= (mod v_~y$w_buff0_used~0_81 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd3~0_25 256) 0)))) (let ((.cse0 (and (not (= (mod v_~y$w_buff0_used~0_82 256) 0)) .cse5)) (.cse4 (and .cse2 .cse5)) (.cse3 (and .cse1 (not (= (mod v_~y$w_buff1_used~0_69 256) 0))))) (and (= (ite .cse0 0 v_~y$w_buff0_used~0_82) v_~y$w_buff0_used~0_81) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_68 256) 0)) .cse1) (and .cse2 (not (= (mod v_~y$r_buff0_thd3~0_24 256) 0)))) 0 v_~y$r_buff1_thd3~0_16) v_~y$r_buff1_thd3~0_15) (= v_~y~0_61 (ite .cse0 v_~y$w_buff0~0_35 (ite .cse3 v_~y$w_buff1~0_34 v_~y~0_62))) (= v_~y$r_buff0_thd3~0_24 (ite .cse4 0 v_~y$r_buff0_thd3~0_25)) (= v_~y$w_buff1_used~0_68 (ite (or .cse4 .cse3) 0 v_~y$w_buff1_used~0_69))))) InVars {~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_16, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_82, ~y$w_buff1~0=v_~y$w_buff1~0_34, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_25, ~y$w_buff0~0=v_~y$w_buff0~0_35, ~y~0=v_~y~0_62, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_69} OutVars{~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_15, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_81, ~y$w_buff1~0=v_~y$w_buff1~0_34, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_24, ~y$w_buff0~0=v_~y$w_buff0~0_35, ~y~0=v_~y~0_61, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_68} AuxVars[] AssignedVars[~y$r_buff1_thd3~0, ~y$w_buff0_used~0, ~y$r_buff0_thd3~0, ~y~0, ~y$w_buff1_used~0][482], [Black: 354#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 371#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 425#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd0~0 0)), 491#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), P1Thread1of1ForFork1InUse, 152#true, P2Thread1of1ForFork2InUse, P0Thread1of1ForFork3InUse, P3Thread1of1ForFork0InUse, 101#L777true, Black: 504#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 494#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 1)), Black: 530#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= 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(not (= ~__unbuffered_p3_EAX~0 0))) (= ~y$r_buff1_thd0~0 0)), 392#(= ~y$r_buff0_thd0~0 0), Black: 454#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 440#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 458#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 444#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 189#(= ~y~0 0), Black: 448#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 193#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 446#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 122#L804true, Black: 191#(and (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0)), Black: 222#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 297#true, Black: 204#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 212#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 350#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 361#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 352#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 365#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)))]) [2022-11-21 13:58:24,930 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-21 13:58:24,931 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2022-11-21 13:58:24,931 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2022-11-21 13:58:24,931 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2022-11-21 13:58:24,932 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([402] L817-->L824: Formula: (let ((.cse4 (not (= (mod v_~y$r_buff1_thd4~0_22 256) 0))) (.cse3 (not (= (mod v_~y$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd4~0_24 256) 0)))) (let ((.cse2 (and .cse3 .cse5)) (.cse1 (and .cse4 (not (= (mod v_~y$w_buff1_used~0_87 256) 0)))) (.cse0 (and (not (= (mod v_~y$w_buff0_used~0_98 256) 0)) .cse5))) (and (= v_~y~0_69 (ite .cse0 v_~y$w_buff0~0_39 (ite .cse1 v_~y$w_buff1~0_38 v_~y~0_70))) (= v_~y$r_buff0_thd4~0_23 (ite .cse2 0 v_~y$r_buff0_thd4~0_24)) (= v_~y$w_buff1_used~0_86 (ite (or .cse2 .cse1) 0 v_~y$w_buff1_used~0_87)) (= (ite (or (and (not (= (mod v_~y$r_buff0_thd4~0_23 256) 0)) .cse3) (and (not (= (mod v_~y$w_buff1_used~0_86 256) 0)) .cse4)) 0 v_~y$r_buff1_thd4~0_22) v_~y$r_buff1_thd4~0_21) (= (ite .cse0 0 v_~y$w_buff0_used~0_98) v_~y$w_buff0_used~0_97)))) InVars {~y$r_buff0_thd4~0=v_~y$r_buff0_thd4~0_24, ~y$r_buff1_thd4~0=v_~y$r_buff1_thd4~0_22, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_98, ~y$w_buff1~0=v_~y$w_buff1~0_38, ~y$w_buff0~0=v_~y$w_buff0~0_39, ~y~0=v_~y~0_70, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_87} OutVars{~y$r_buff0_thd4~0=v_~y$r_buff0_thd4~0_23, ~y$r_buff1_thd4~0=v_~y$r_buff1_thd4~0_21, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_97, ~y$w_buff1~0=v_~y$w_buff1~0_38, ~y$w_buff0~0=v_~y$w_buff0~0_39, ~y~0=v_~y~0_69, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_86} AuxVars[] AssignedVars[~y$r_buff0_thd4~0, ~y$r_buff1_thd4~0, ~y$w_buff0_used~0, ~y~0, ~y$w_buff1_used~0][549], [Black: 354#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 371#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 425#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd0~0 0)), 491#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 91#L797true, P1Thread1of1ForFork1InUse, 152#true, P2Thread1of1ForFork2InUse, P0Thread1of1ForFork3InUse, P3Thread1of1ForFork0InUse, 101#L777true, Black: 504#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 494#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 1)), Black: 530#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 251#(and (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y~0 1)), Black: 516#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 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~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), Black: 154#(= ~x~0 0), 346#true, Black: 172#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (<= 1 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0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 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~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 446#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 191#(and (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0)), Black: 222#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 297#true, Black: 204#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 212#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 350#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 361#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), 127#L824true, Black: 352#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 365#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)))]) [2022-11-21 13:58:24,934 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2022-11-21 13:58:24,935 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2022-11-21 13:58:24,935 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2022-11-21 13:58:24,935 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is cut-off event [2022-11-21 13:58:26,128 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([395] L797-->L804: Formula: (let ((.cse1 (not (= (mod v_~y$r_buff1_thd3~0_16 256) 0))) (.cse2 (not (= (mod v_~y$w_buff0_used~0_81 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd3~0_25 256) 0)))) (let ((.cse0 (and (not (= (mod v_~y$w_buff0_used~0_82 256) 0)) .cse5)) (.cse4 (and .cse2 .cse5)) (.cse3 (and .cse1 (not (= (mod v_~y$w_buff1_used~0_69 256) 0))))) (and (= (ite .cse0 0 v_~y$w_buff0_used~0_82) v_~y$w_buff0_used~0_81) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_68 256) 0)) .cse1) (and .cse2 (not (= (mod v_~y$r_buff0_thd3~0_24 256) 0)))) 0 v_~y$r_buff1_thd3~0_16) v_~y$r_buff1_thd3~0_15) (= v_~y~0_61 (ite .cse0 v_~y$w_buff0~0_35 (ite .cse3 v_~y$w_buff1~0_34 v_~y~0_62))) (= v_~y$r_buff0_thd3~0_24 (ite .cse4 0 v_~y$r_buff0_thd3~0_25)) (= v_~y$w_buff1_used~0_68 (ite (or .cse4 .cse3) 0 v_~y$w_buff1_used~0_69))))) InVars {~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_16, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_82, ~y$w_buff1~0=v_~y$w_buff1~0_34, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_25, ~y$w_buff0~0=v_~y$w_buff0~0_35, ~y~0=v_~y~0_62, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_69} OutVars{~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_15, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_81, ~y$w_buff1~0=v_~y$w_buff1~0_34, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_24, ~y$w_buff0~0=v_~y$w_buff0~0_35, ~y~0=v_~y~0_61, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_68} AuxVars[] AssignedVars[~y$r_buff1_thd3~0, ~y$w_buff0_used~0, ~y$r_buff0_thd3~0, ~y~0, ~y$w_buff1_used~0][482], [Black: 354#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 371#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 425#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd0~0 0)), 491#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), P1Thread1of1ForFork1InUse, 152#true, P2Thread1of1ForFork2InUse, P0Thread1of1ForFork3InUse, P3Thread1of1ForFork0InUse, 101#L777true, Black: 504#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 494#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 1)), Black: 530#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 251#(and (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y~0 1)), Black: 516#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 506#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= 0 ~y$w_buff1_used~0) (<= ~y$w_buff1_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y~0 1)), Black: 524#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 393#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 1)), 26#L817true, Black: 502#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 250#(and (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), 577#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (= 2 ~y$w_buff0~0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), Black: 154#(= ~x~0 0), 346#true, Black: 172#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 162#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 556#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 85#L752true, Black: 558#(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: 168#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 552#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 562#(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)), 76#L2true, Black: 155#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 549#true, Black: 564#(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)), 560#(and (<= |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)), 247#true, 187#true, 618#(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: 302#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), Black: 304#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 585#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (not (= ~y~0 ~y$w_buff0~0))), Black: 436#(and (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (= ~y$r_buff1_thd0~0 0)), Black: 593#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (not (= ~y~0 ~y$w_buff0~0))), Black: 587#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0)), Black: 456#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 315#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0) (= ~y~0 ~y$w_buff1~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff1_thd0~0 0)), Black: 578#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (= 2 ~y$w_buff0~0) (not (= ~y~0 ~y$w_buff0~0))), Black: 595#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 589#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (not (= ~y~0 ~y$w_buff0~0))), Black: 438#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 426#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 591#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 434#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (= ~y$r_buff1_thd0~0 0)), Black: 454#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 392#(= ~y$r_buff0_thd0~0 0), Black: 440#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 458#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 444#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 448#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 189#(= ~y~0 0), Black: 193#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), 122#L804true, Black: 446#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 191#(and (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0)), Black: 222#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 297#true, Black: 204#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 212#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 350#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 361#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 352#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 365#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)))]) [2022-11-21 13:58:26,129 INFO L383 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2022-11-21 13:58:26,129 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-21 13:58:26,130 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-21 13:58:26,130 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-21 13:58:26,131 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([402] L817-->L824: Formula: (let ((.cse4 (not (= (mod v_~y$r_buff1_thd4~0_22 256) 0))) (.cse3 (not (= (mod v_~y$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd4~0_24 256) 0)))) (let ((.cse2 (and .cse3 .cse5)) (.cse1 (and .cse4 (not (= (mod v_~y$w_buff1_used~0_87 256) 0)))) (.cse0 (and (not (= (mod v_~y$w_buff0_used~0_98 256) 0)) .cse5))) (and (= v_~y~0_69 (ite .cse0 v_~y$w_buff0~0_39 (ite .cse1 v_~y$w_buff1~0_38 v_~y~0_70))) (= v_~y$r_buff0_thd4~0_23 (ite .cse2 0 v_~y$r_buff0_thd4~0_24)) (= v_~y$w_buff1_used~0_86 (ite (or .cse2 .cse1) 0 v_~y$w_buff1_used~0_87)) (= (ite (or (and (not (= (mod v_~y$r_buff0_thd4~0_23 256) 0)) .cse3) (and (not (= (mod v_~y$w_buff1_used~0_86 256) 0)) .cse4)) 0 v_~y$r_buff1_thd4~0_22) v_~y$r_buff1_thd4~0_21) (= (ite .cse0 0 v_~y$w_buff0_used~0_98) v_~y$w_buff0_used~0_97)))) InVars {~y$r_buff0_thd4~0=v_~y$r_buff0_thd4~0_24, ~y$r_buff1_thd4~0=v_~y$r_buff1_thd4~0_22, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_98, ~y$w_buff1~0=v_~y$w_buff1~0_38, ~y$w_buff0~0=v_~y$w_buff0~0_39, ~y~0=v_~y~0_70, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_87} OutVars{~y$r_buff0_thd4~0=v_~y$r_buff0_thd4~0_23, ~y$r_buff1_thd4~0=v_~y$r_buff1_thd4~0_21, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_97, ~y$w_buff1~0=v_~y$w_buff1~0_38, ~y$w_buff0~0=v_~y$w_buff0~0_39, ~y~0=v_~y~0_69, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_86} AuxVars[] AssignedVars[~y$r_buff0_thd4~0, ~y$r_buff1_thd4~0, ~y$w_buff0_used~0, ~y~0, ~y$w_buff1_used~0][549], [Black: 354#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 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(not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), 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~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 585#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= 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~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 315#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0) (= ~y~0 ~y$w_buff1~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff1_thd0~0 0)), Black: 578#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (= 2 ~y$w_buff0~0) (not (= ~y~0 ~y$w_buff0~0))), Black: 595#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 589#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (not (= ~y~0 ~y$w_buff0~0))), Black: 438#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 426#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 591#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 434#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (= ~y$r_buff1_thd0~0 0)), 392#(= ~y$r_buff0_thd0~0 0), Black: 454#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 440#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 458#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 444#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 189#(= ~y~0 0), Black: 448#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 193#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 446#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 191#(and (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0)), Black: 222#(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|))), 297#true, Black: 204#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 212#(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: 350#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 361#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), 127#L824true, Black: 352#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 365#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)))]) [2022-11-21 13:58:26,131 INFO L383 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2022-11-21 13:58:26,131 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-21 13:58:26,132 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-21 13:58:26,132 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-21 13:58:26,956 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([395] L797-->L804: Formula: (let ((.cse1 (not (= (mod v_~y$r_buff1_thd3~0_16 256) 0))) (.cse2 (not (= (mod v_~y$w_buff0_used~0_81 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd3~0_25 256) 0)))) (let ((.cse0 (and (not (= (mod v_~y$w_buff0_used~0_82 256) 0)) .cse5)) (.cse4 (and .cse2 .cse5)) (.cse3 (and .cse1 (not (= (mod v_~y$w_buff1_used~0_69 256) 0))))) (and (= (ite .cse0 0 v_~y$w_buff0_used~0_82) v_~y$w_buff0_used~0_81) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_68 256) 0)) .cse1) (and .cse2 (not (= (mod v_~y$r_buff0_thd3~0_24 256) 0)))) 0 v_~y$r_buff1_thd3~0_16) v_~y$r_buff1_thd3~0_15) (= v_~y~0_61 (ite .cse0 v_~y$w_buff0~0_35 (ite .cse3 v_~y$w_buff1~0_34 v_~y~0_62))) (= v_~y$r_buff0_thd3~0_24 (ite .cse4 0 v_~y$r_buff0_thd3~0_25)) (= v_~y$w_buff1_used~0_68 (ite (or .cse4 .cse3) 0 v_~y$w_buff1_used~0_69))))) InVars {~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_16, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_82, ~y$w_buff1~0=v_~y$w_buff1~0_34, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_25, ~y$w_buff0~0=v_~y$w_buff0~0_35, ~y~0=v_~y~0_62, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_69} OutVars{~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_15, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_81, ~y$w_buff1~0=v_~y$w_buff1~0_34, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_24, ~y$w_buff0~0=v_~y$w_buff0~0_35, ~y~0=v_~y~0_61, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_68} AuxVars[] AssignedVars[~y$r_buff1_thd3~0, ~y$w_buff0_used~0, ~y$r_buff0_thd3~0, ~y~0, ~y$w_buff1_used~0][620], [Black: 354#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 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|ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 425#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd0~0 0)), 491#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), P1Thread1of1ForFork1InUse, 152#true, P2Thread1of1ForFork2InUse, P0Thread1of1ForFork3InUse, P3Thread1of1ForFork0InUse, 101#L777true, Black: 504#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 494#(and (= 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~y$w_buff1_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y~0 1)), Black: 524#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 393#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 1)), 26#L817true, Black: 502#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 250#(and (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), 577#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (= 2 ~y$w_buff0~0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), Black: 154#(= ~x~0 0), 346#true, Black: 172#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (= ~y$w_buff0_used~0 (* 256 (div 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~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), 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~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 444#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 448#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 189#(= ~y~0 0), Black: 193#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div 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~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 122#L804true, Black: 191#(and (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0)), 564#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 222#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 297#true, Black: 204#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 212#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 350#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0)), 64#L3true, Black: 361#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 352#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 365#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)))]) [2022-11-21 13:58:26,958 INFO L383 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-11-21 13:58:26,958 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-21 13:58:26,958 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-21 13:58:26,958 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-21 13:58:26,959 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([402] L817-->L824: Formula: (let ((.cse4 (not (= (mod v_~y$r_buff1_thd4~0_22 256) 0))) (.cse3 (not (= (mod v_~y$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd4~0_24 256) 0)))) (let ((.cse2 (and .cse3 .cse5)) (.cse1 (and .cse4 (not (= (mod v_~y$w_buff1_used~0_87 256) 0)))) (.cse0 (and (not (= (mod v_~y$w_buff0_used~0_98 256) 0)) .cse5))) (and (= v_~y~0_69 (ite .cse0 v_~y$w_buff0~0_39 (ite .cse1 v_~y$w_buff1~0_38 v_~y~0_70))) (= v_~y$r_buff0_thd4~0_23 (ite .cse2 0 v_~y$r_buff0_thd4~0_24)) (= v_~y$w_buff1_used~0_86 (ite (or .cse2 .cse1) 0 v_~y$w_buff1_used~0_87)) (= (ite (or (and (not (= (mod v_~y$r_buff0_thd4~0_23 256) 0)) .cse3) (and (not (= (mod v_~y$w_buff1_used~0_86 256) 0)) .cse4)) 0 v_~y$r_buff1_thd4~0_22) v_~y$r_buff1_thd4~0_21) (= (ite .cse0 0 v_~y$w_buff0_used~0_98) v_~y$w_buff0_used~0_97)))) InVars {~y$r_buff0_thd4~0=v_~y$r_buff0_thd4~0_24, ~y$r_buff1_thd4~0=v_~y$r_buff1_thd4~0_22, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_98, ~y$w_buff1~0=v_~y$w_buff1~0_38, ~y$w_buff0~0=v_~y$w_buff0~0_39, ~y~0=v_~y~0_70, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_87} OutVars{~y$r_buff0_thd4~0=v_~y$r_buff0_thd4~0_23, ~y$r_buff1_thd4~0=v_~y$r_buff1_thd4~0_21, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_97, ~y$w_buff1~0=v_~y$w_buff1~0_38, ~y$w_buff0~0=v_~y$w_buff0~0_39, ~y~0=v_~y~0_69, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_86} AuxVars[] AssignedVars[~y$r_buff0_thd4~0, ~y$r_buff1_thd4~0, ~y$w_buff0_used~0, ~y~0, ~y$w_buff1_used~0][619], [Black: 354#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 371#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 425#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd0~0 0)), 491#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 91#L797true, P1Thread1of1ForFork1InUse, 152#true, P2Thread1of1ForFork2InUse, P0Thread1of1ForFork3InUse, P3Thread1of1ForFork0InUse, 101#L777true, Black: 504#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 494#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 1)), Black: 530#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 251#(and (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y~0 1)), Black: 516#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 506#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= 0 ~y$w_buff1_used~0) (<= ~y$w_buff1_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y~0 1)), Black: 524#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= 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(not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), Black: 154#(= ~x~0 0), Black: 172#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), 346#true, Black: 162#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 556#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 85#L752true, Black: 558#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 168#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 552#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 562#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 155#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 549#true, 247#true, 622#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 187#true, Black: 302#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), Black: 304#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 585#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (not (= ~y~0 ~y$w_buff0~0))), Black: 436#(and (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (= ~y$r_buff1_thd0~0 0)), Black: 593#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (not (= ~y~0 ~y$w_buff0~0))), Black: 587#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0)), Black: 456#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 315#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0) (= ~y~0 ~y$w_buff1~0) (= 2 ~y$w_buff0~0) (= ~y$r_buff1_thd0~0 0)), Black: 578#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (= 2 ~y$w_buff0~0) (not (= ~y~0 ~y$w_buff0~0))), Black: 595#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 589#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (not (= ~y~0 ~y$w_buff0~0))), Black: 438#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 426#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 591#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 434#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (= ~y$r_buff1_thd0~0 0)), Black: 454#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 392#(= ~y$r_buff0_thd0~0 0), Black: 440#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 458#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 444#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 448#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 189#(= ~y~0 0), Black: 193#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 446#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 191#(and (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0)), 564#(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: 222#(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|))), 297#true, Black: 204#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 212#(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: 350#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0)), 64#L3true, Black: 361#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), 127#L824true, Black: 352#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 365#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)))]) [2022-11-21 13:58:26,960 INFO L383 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-11-21 13:58:26,960 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-21 13:58:26,960 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-21 13:58:26,960 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-21 13:58:28,065 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([395] L797-->L804: Formula: (let ((.cse1 (not (= (mod v_~y$r_buff1_thd3~0_16 256) 0))) (.cse2 (not (= (mod v_~y$w_buff0_used~0_81 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd3~0_25 256) 0)))) (let ((.cse0 (and (not (= (mod v_~y$w_buff0_used~0_82 256) 0)) .cse5)) (.cse4 (and .cse2 .cse5)) (.cse3 (and .cse1 (not (= (mod v_~y$w_buff1_used~0_69 256) 0))))) (and (= (ite .cse0 0 v_~y$w_buff0_used~0_82) v_~y$w_buff0_used~0_81) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_68 256) 0)) .cse1) (and .cse2 (not (= (mod v_~y$r_buff0_thd3~0_24 256) 0)))) 0 v_~y$r_buff1_thd3~0_16) v_~y$r_buff1_thd3~0_15) (= v_~y~0_61 (ite .cse0 v_~y$w_buff0~0_35 (ite .cse3 v_~y$w_buff1~0_34 v_~y~0_62))) (= v_~y$r_buff0_thd3~0_24 (ite .cse4 0 v_~y$r_buff0_thd3~0_25)) (= v_~y$w_buff1_used~0_68 (ite (or .cse4 .cse3) 0 v_~y$w_buff1_used~0_69))))) InVars {~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_16, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_82, ~y$w_buff1~0=v_~y$w_buff1~0_34, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_25, ~y$w_buff0~0=v_~y$w_buff0~0_35, ~y~0=v_~y~0_62, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_69} OutVars{~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_15, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_81, ~y$w_buff1~0=v_~y$w_buff1~0_34, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_24, ~y$w_buff0~0=v_~y$w_buff0~0_35, ~y~0=v_~y~0_61, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_68} AuxVars[] AssignedVars[~y$r_buff1_thd3~0, ~y$w_buff0_used~0, ~y$r_buff0_thd3~0, ~y~0, ~y$w_buff1_used~0][620], [Black: 354#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 371#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 425#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd0~0 0)), 491#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0)), 133#L3-1true, P1Thread1of1ForFork1InUse, 152#true, P2Thread1of1ForFork2InUse, P0Thread1of1ForFork3InUse, 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~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 251#(and (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y~0 1)), Black: 516#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 506#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= 0 ~y$w_buff1_used~0) (<= ~y$w_buff1_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y~0 1)), Black: 524#(and (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0))) (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (and (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 393#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 1)), 26#L817true, Black: 502#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)))), Black: 250#(and (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), 577#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (= 2 ~y$w_buff0~0)), Black: 257#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), Black: 154#(= ~x~0 0), 346#true, Black: 172#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 162#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 556#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 85#L752true, Black: 168#(and (<= 1 ~main$tmp_guard1~0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 558#(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: 552#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 155#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 562#(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: 549#true, 247#true, 622#(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)), 187#true, Black: 302#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0)), Black: 304#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 585#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (not (= ~y~0 ~y$w_buff0~0))), Black: 436#(and (= ~y$r_buff0_thd0~0 0) (or (not (= 2 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|ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 589#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (not (= ~y~0 ~y$w_buff0~0))), Black: 438#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 426#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 591#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) 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|ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 444#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 448#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 189#(= ~y~0 0), Black: 193#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 446#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 122#L804true, Black: 191#(and (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0)), 564#(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: 222#(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|))), 297#true, Black: 204#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 212#(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: 350#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 361#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 352#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 365#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)))]) [2022-11-21 13:58:28,066 INFO L383 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-11-21 13:58:28,067 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-21 13:58:28,067 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-21 13:58:28,067 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-21 13:58:28,068 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([402] L817-->L824: Formula: (let ((.cse4 (not (= (mod v_~y$r_buff1_thd4~0_22 256) 0))) (.cse3 (not (= (mod v_~y$w_buff0_used~0_97 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd4~0_24 256) 0)))) (let ((.cse2 (and .cse3 .cse5)) (.cse1 (and .cse4 (not (= (mod v_~y$w_buff1_used~0_87 256) 0)))) (.cse0 (and (not (= (mod v_~y$w_buff0_used~0_98 256) 0)) .cse5))) (and (= v_~y~0_69 (ite .cse0 v_~y$w_buff0~0_39 (ite .cse1 v_~y$w_buff1~0_38 v_~y~0_70))) (= v_~y$r_buff0_thd4~0_23 (ite .cse2 0 v_~y$r_buff0_thd4~0_24)) (= v_~y$w_buff1_used~0_86 (ite (or .cse2 .cse1) 0 v_~y$w_buff1_used~0_87)) (= (ite (or (and (not (= (mod v_~y$r_buff0_thd4~0_23 256) 0)) .cse3) (and (not (= (mod v_~y$w_buff1_used~0_86 256) 0)) .cse4)) 0 v_~y$r_buff1_thd4~0_22) v_~y$r_buff1_thd4~0_21) (= (ite .cse0 0 v_~y$w_buff0_used~0_98) v_~y$w_buff0_used~0_97)))) InVars {~y$r_buff0_thd4~0=v_~y$r_buff0_thd4~0_24, ~y$r_buff1_thd4~0=v_~y$r_buff1_thd4~0_22, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_98, ~y$w_buff1~0=v_~y$w_buff1~0_38, ~y$w_buff0~0=v_~y$w_buff0~0_39, ~y~0=v_~y~0_70, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_87} OutVars{~y$r_buff0_thd4~0=v_~y$r_buff0_thd4~0_23, ~y$r_buff1_thd4~0=v_~y$r_buff1_thd4~0_21, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_97, ~y$w_buff1~0=v_~y$w_buff1~0_38, ~y$w_buff0~0=v_~y$w_buff0~0_39, ~y~0=v_~y~0_69, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_86} AuxVars[] AssignedVars[~y$r_buff0_thd4~0, ~y$r_buff1_thd4~0, ~y$w_buff0_used~0, ~y~0, ~y$w_buff1_used~0][619], [Black: 354#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) 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~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 591#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= 2 ~y$w_buff0~0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 434#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (= ~y$r_buff1_thd0~0 0)), Black: 454#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 392#(= ~y$r_buff0_thd0~0 0), Black: 440#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 458#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 444#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 448#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), Black: 189#(= ~y~0 0), Black: 193#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0)) (and (or (not (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0))) (or (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))))) (not (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256)))))) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~y$w_buff0~0)) (not (= ~__unbuffered_p3_EAX~0 0)) (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (or (= ~y$w_buff0_used~0 (* 256 (div ~y$w_buff0_used~0 256))) (= (* 256 (div ~y$w_buff1_used~0 256)) ~y$w_buff1_used~0) (not (= 2 ~x~0)) (not (= (* 256 (div ~y$r_buff0_thd0~0 256)) ~y$r_buff0_thd0~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (= ~y$r_buff1_thd0~0 (* 256 (div ~y$r_buff1_thd0~0 256))) (not (= ~__unbuffered_p3_EAX~0 0)) (not (= 2 ~y$w_buff1~0)))), Black: 446#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 0))) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 191#(and (= ~y$w_buff0_used~0 0) (= ~y$w_buff1_used~0 0) (= ~y~0 0)), 564#(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: 222#(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|))), 297#true, Black: 204#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 212#(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: 350#(and (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 361#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0)), 127#L824true, Black: 352#(and (= ~y$r_buff0_thd0~0 0) (= ~y$w_buff0_used~0 0) (= ~y~0 ~y$w_buff0~0) (= ~y$w_buff0~0 0) (= ~y$r_buff1_thd0~0 0)), Black: 365#(and (<= 1 ~main$tmp_guard1~0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$r_buff1_thd0~0 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)))]) [2022-11-21 13:58:28,068 INFO L383 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-11-21 13:58:28,068 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-21 13:58:28,070 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-21 13:58:28,070 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-21 13:58:30,194 INFO L130 PetriNetUnfolder]: 19094/32945 cut-off events. [2022-11-21 13:58:30,194 INFO L131 PetriNetUnfolder]: For 1413204/1491143 co-relation queries the response was YES. [2022-11-21 13:58:30,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273752 conditions, 32945 events. 19094/32945 cut-off events. For 1413204/1491143 co-relation queries the response was YES. Maximal size of possible extension queue 2511. Compared 303193 event pairs, 767 based on Foata normal form. 7487/38969 useless extension candidates. Maximal degree in co-relation 273687. Up to 11883 conditions per place. [2022-11-21 13:58:30,751 INFO L137 encePairwiseOnDemand]: 123/134 looper letters, 512 selfloop transitions, 38 changer transitions 248/952 dead transitions. [2022-11-21 13:58:30,751 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 952 transitions, 25200 flow [2022-11-21 13:58:30,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 13:58:30,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-21 13:58:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1527 transitions. [2022-11-21 13:58:30,755 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8765786452353617 [2022-11-21 13:58:30,756 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1527 transitions. [2022-11-21 13:58:30,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1527 transitions. [2022-11-21 13:58:30,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:58:30,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1527 transitions. [2022-11-21 13:58:30,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.46153846153847) internal successors, (1527), 13 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:30,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 134.0) internal successors, (1876), 14 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:30,765 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 134.0) internal successors, (1876), 14 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:30,765 INFO L175 Difference]: Start difference. First operand has 236 places, 347 transitions, 6357 flow. Second operand 13 states and 1527 transitions. [2022-11-21 13:58:30,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 952 transitions, 25200 flow [2022-11-21 13:58:33,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 952 transitions, 24272 flow, removed 171 selfloop flow, removed 8 redundant places. [2022-11-21 13:58:33,443 INFO L231 Difference]: Finished difference. Result has 246 places, 307 transitions, 4919 flow [2022-11-21 13:58:33,443 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=5079, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4919, PETRI_PLACES=246, PETRI_TRANSITIONS=307} [2022-11-21 13:58:33,444 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 105 predicate places. [2022-11-21 13:58:33,444 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 307 transitions, 4919 flow [2022-11-21 13:58:33,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:33,445 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:58:33,445 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] [2022-11-21 13:58:33,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 13:58:33,445 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:58:33,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:58:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash 354319014, now seen corresponding path program 1 times [2022-11-21 13:58:33,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:58:33,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112867888] [2022-11-21 13:58:33,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:58:33,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:58:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:58:34,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:58:34,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112867888] [2022-11-21 13:58:34,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112867888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:58:34,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:58:34,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:58:34,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335886792] [2022-11-21 13:58:34,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:58:34,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:58:34,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:58:34,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:58:34,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:58:34,400 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 134 [2022-11-21 13:58:34,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 307 transitions, 4919 flow. Second operand has 7 states, 7 states have (on average 102.57142857142857) internal successors, (718), 7 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:34,402 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:58:34,402 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 134 [2022-11-21 13:58:34,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 13:58:39,161 INFO L130 PetriNetUnfolder]: 4923/15915 cut-off events. [2022-11-21 13:58:39,161 INFO L131 PetriNetUnfolder]: For 186145/195176 co-relation queries the response was YES. [2022-11-21 13:58:39,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86676 conditions, 15915 events. 4923/15915 cut-off events. For 186145/195176 co-relation queries the response was YES. Maximal size of possible extension queue 1801. Compared 211587 event pairs, 464 based on Foata normal form. 349/15136 useless extension candidates. Maximal degree in co-relation 86608. Up to 4299 conditions per place. [2022-11-21 13:58:39,473 INFO L137 encePairwiseOnDemand]: 126/134 looper letters, 261 selfloop transitions, 41 changer transitions 59/481 dead transitions. [2022-11-21 13:58:39,473 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 481 transitions, 10646 flow [2022-11-21 13:58:39,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 13:58:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-21 13:58:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1084 transitions. [2022-11-21 13:58:39,476 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.808955223880597 [2022-11-21 13:58:39,476 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1084 transitions. [2022-11-21 13:58:39,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1084 transitions. [2022-11-21 13:58:39,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 13:58:39,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1084 transitions. [2022-11-21 13:58:39,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 108.4) internal successors, (1084), 10 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:39,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:39,481 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 134.0) internal successors, (1474), 11 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:39,482 INFO L175 Difference]: Start difference. First operand has 246 places, 307 transitions, 4919 flow. Second operand 10 states and 1084 transitions. [2022-11-21 13:58:39,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 481 transitions, 10646 flow [2022-11-21 13:58:43,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 481 transitions, 10531 flow, removed 48 selfloop flow, removed 7 redundant places. [2022-11-21 13:58:43,138 INFO L231 Difference]: Finished difference. Result has 249 places, 314 transitions, 5114 flow [2022-11-21 13:58:43,138 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=4818, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5114, PETRI_PLACES=249, PETRI_TRANSITIONS=314} [2022-11-21 13:58:43,140 INFO L288 CegarLoopForPetriNet]: 141 programPoint places, 108 predicate places. [2022-11-21 13:58:43,140 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 314 transitions, 5114 flow [2022-11-21 13:58:43,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 102.57142857142857) internal successors, (718), 7 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:43,141 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 13:58:43,141 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] [2022-11-21 13:58:43,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 13:58:43,141 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-21 13:58:43,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:58:43,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1088021852, now seen corresponding path program 1 times [2022-11-21 13:58:43,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:58:43,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507784932] [2022-11-21 13:58:43,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:58:43,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:58:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 13:58:43,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:58:43,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507784932] [2022-11-21 13:58:43,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507784932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:58:43,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:58:43,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 13:58:43,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503251086] [2022-11-21 13:58:43,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:58:43,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 13:58:43,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:58:43,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 13:58:43,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:58:43,825 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2022-11-21 13:58:43,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 314 transitions, 5114 flow. Second operand has 8 states, 8 states have (on average 110.25) internal successors, (882), 8 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 13:58:43,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 13:58:43,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2022-11-21 13:58:43,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand