./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 9bfd96daa3950021158d7079dc25a62741fa5d5a7f9e521049c1a78760db50f1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 12:15:38,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 12:15:38,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 12:15:38,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 12:15:38,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 12:15:38,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 12:15:38,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 12:15:38,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 12:15:38,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 12:15:38,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 12:15:38,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 12:15:38,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 12:15:38,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 12:15:38,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 12:15:38,865 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 12:15:38,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 12:15:38,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 12:15:38,866 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 12:15:38,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 12:15:38,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 12:15:38,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 12:15:38,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 12:15:38,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 12:15:38,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 12:15:38,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 12:15:38,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 12:15:38,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 12:15:38,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 12:15:38,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 12:15:38,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 12:15:38,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 12:15:38,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 12:15:38,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:15:38,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 12:15:38,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 12:15:38,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 12:15:38,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 12:15:38,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 12:15:38,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 12:15:38,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 12:15:38,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 12:15:38,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 12:15:38,876 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfd96daa3950021158d7079dc25a62741fa5d5a7f9e521049c1a78760db50f1 [2024-10-24 12:15:39,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 12:15:39,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 12:15:39,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 12:15:39,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 12:15:39,208 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 12:15:39,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043.oepc.i [2024-10-24 12:15:40,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 12:15:41,160 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 12:15:41,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043.oepc.i [2024-10-24 12:15:41,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da0d8734/d696ec5487f94cfda927b2b21b760f88/FLAG4b49d3a0b [2024-10-24 12:15:41,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da0d8734/d696ec5487f94cfda927b2b21b760f88 [2024-10-24 12:15:41,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 12:15:41,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 12:15:41,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 12:15:41,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 12:15:41,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 12:15:41,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:41,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419660fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41, skipping insertion in model container [2024-10-24 12:15:41,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:41,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 12:15:41,493 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043.oepc.i[945,958] [2024-10-24 12:15:41,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:15:41,744 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 12:15:41,757 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043.oepc.i[945,958] [2024-10-24 12:15:41,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 12:15:41,875 INFO L204 MainTranslator]: Completed translation [2024-10-24 12:15:41,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41 WrapperNode [2024-10-24 12:15:41,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 12:15:41,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 12:15:41,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 12:15:41,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 12:15:41,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:41,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:41,954 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-10-24 12:15:41,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 12:15:41,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 12:15:41,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 12:15:41,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 12:15:41,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:41,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:41,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:41,994 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 12:15:41,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:41,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:42,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:42,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:42,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:42,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:42,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 12:15:42,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 12:15:42,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 12:15:42,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 12:15:42,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (1/1) ... [2024-10-24 12:15:42,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 12:15:42,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 12:15:42,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 12:15:42,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 12:15:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 12:15:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 12:15:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-24 12:15:42,111 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-24 12:15:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-24 12:15:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-24 12:15:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-24 12:15:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-24 12:15:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-24 12:15:42,112 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-24 12:15:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 12:15:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 12:15:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 12:15:42,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 12:15:42,115 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 12:15:42,265 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 12:15:42,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 12:15:42,691 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 12:15:42,691 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 12:15:42,967 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 12:15:42,968 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 12:15:42,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:15:42 BoogieIcfgContainer [2024-10-24 12:15:42,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 12:15:42,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 12:15:42,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 12:15:42,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 12:15:42,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:15:41" (1/3) ... [2024-10-24 12:15:42,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3666887f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:15:42, skipping insertion in model container [2024-10-24 12:15:42,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:41" (2/3) ... [2024-10-24 12:15:42,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3666887f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:15:42, skipping insertion in model container [2024-10-24 12:15:42,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:15:42" (3/3) ... [2024-10-24 12:15:42,995 INFO L112 eAbstractionObserver]: Analyzing ICFG mix043.oepc.i [2024-10-24 12:15:43,066 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 12:15:43,067 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 12:15:43,067 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 12:15:43,138 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 12:15:43,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 50 transitions, 116 flow [2024-10-24 12:15:43,224 INFO L124 PetriNetUnfolderBase]: 1/46 cut-off events. [2024-10-24 12:15:43,225 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 12:15:43,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 1/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2024-10-24 12:15:43,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 50 transitions, 116 flow [2024-10-24 12:15:43,238 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 46 transitions, 104 flow [2024-10-24 12:15:43,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 12:15:43,258 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@48df5afa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 12:15:43,258 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-24 12:15:43,262 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 12:15:43,262 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-10-24 12:15:43,262 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 12:15:43,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:15:43,264 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-24 12:15:43,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:15:43,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:15:43,270 INFO L85 PathProgramCache]: Analyzing trace with hash 12056438, now seen corresponding path program 1 times [2024-10-24 12:15:43,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:15:43,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595592883] [2024-10-24 12:15:43,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:15:43,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:15:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:15:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:15:43,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:15:43,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595592883] [2024-10-24 12:15:43,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595592883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:15:43,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:15:43,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 12:15:43,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342246380] [2024-10-24 12:15:43,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:15:43,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 12:15:43,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:15:43,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 12:15:43,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 12:15:43,869 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 50 [2024-10-24 12:15:43,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:43,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:15:43,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 50 [2024-10-24 12:15:43,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 12:15:44,889 INFO L124 PetriNetUnfolderBase]: 2495/3975 cut-off events. [2024-10-24 12:15:44,889 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-24 12:15:44,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7551 conditions, 3975 events. 2495/3975 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 25027 event pairs, 1647 based on Foata normal form. 135/4039 useless extension candidates. Maximal degree in co-relation 7539. Up to 2779 conditions per place. [2024-10-24 12:15:44,936 INFO L140 encePairwiseOnDemand]: 46/50 looper letters, 37 selfloop transitions, 2 changer transitions 2/62 dead transitions. [2024-10-24 12:15:44,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 62 transitions, 227 flow [2024-10-24 12:15:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 12:15:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 12:15:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-10-24 12:15:44,950 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7933333333333333 [2024-10-24 12:15:44,951 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 119 transitions. [2024-10-24 12:15:44,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 62 transitions, 227 flow [2024-10-24 12:15:44,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 62 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-24 12:15:44,958 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 98 flow [2024-10-24 12:15:44,960 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2024-10-24 12:15:44,964 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -3 predicate places. [2024-10-24 12:15:44,964 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 98 flow [2024-10-24 12:15:44,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:44,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:15:44,965 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:15:44,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 12:15:44,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:15:44,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:15:44,967 INFO L85 PathProgramCache]: Analyzing trace with hash -2058737664, now seen corresponding path program 1 times [2024-10-24 12:15:44,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:15:44,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134434031] [2024-10-24 12:15:44,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:15:44,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:15:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:15:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:15:45,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:15:45,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134434031] [2024-10-24 12:15:45,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134434031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:15:45,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:15:45,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 12:15:45,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65059008] [2024-10-24 12:15:45,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:15:45,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 12:15:45,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:15:45,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 12:15:45,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 12:15:45,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 50 [2024-10-24 12:15:45,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:45,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:15:45,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 50 [2024-10-24 12:15:45,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 12:15:47,296 INFO L124 PetriNetUnfolderBase]: 7779/12179 cut-off events. [2024-10-24 12:15:47,297 INFO L125 PetriNetUnfolderBase]: For 554/554 co-relation queries the response was YES. [2024-10-24 12:15:47,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23595 conditions, 12179 events. 7779/12179 cut-off events. For 554/554 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 87349 event pairs, 1033 based on Foata normal form. 400/11957 useless extension candidates. Maximal degree in co-relation 23585. Up to 5841 conditions per place. [2024-10-24 12:15:47,436 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 52 selfloop transitions, 6 changer transitions 1/75 dead transitions. [2024-10-24 12:15:47,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 75 transitions, 290 flow [2024-10-24 12:15:47,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 12:15:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-24 12:15:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2024-10-24 12:15:47,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.705 [2024-10-24 12:15:47,440 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 98 flow. Second operand 4 states and 141 transitions. [2024-10-24 12:15:47,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 75 transitions, 290 flow [2024-10-24 12:15:47,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 75 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 12:15:47,446 INFO L231 Difference]: Finished difference. Result has 57 places, 47 transitions, 136 flow [2024-10-24 12:15:47,447 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2024-10-24 12:15:47,448 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -1 predicate places. [2024-10-24 12:15:47,448 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 136 flow [2024-10-24 12:15:47,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:47,448 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:15:47,449 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 12:15:47,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 12:15:47,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:15:47,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:15:47,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1906851282, now seen corresponding path program 1 times [2024-10-24 12:15:47,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:15:47,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280459250] [2024-10-24 12:15:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:15:47,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:15:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:15:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:15:47,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:15:47,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280459250] [2024-10-24 12:15:47,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280459250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:15:47,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:15:47,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 12:15:47,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835986725] [2024-10-24 12:15:47,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:15:47,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 12:15:47,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:15:47,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 12:15:47,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 12:15:47,814 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 50 [2024-10-24 12:15:47,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 136 flow. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:47,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:15:47,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 50 [2024-10-24 12:15:47,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 12:15:49,307 INFO L124 PetriNetUnfolderBase]: 6075/9479 cut-off events. [2024-10-24 12:15:49,308 INFO L125 PetriNetUnfolderBase]: For 2276/2276 co-relation queries the response was YES. [2024-10-24 12:15:49,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21263 conditions, 9479 events. 6075/9479 cut-off events. For 2276/2276 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 63907 event pairs, 451 based on Foata normal form. 364/9402 useless extension candidates. Maximal degree in co-relation 21251. Up to 3681 conditions per place. [2024-10-24 12:15:49,403 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 67 selfloop transitions, 10 changer transitions 1/94 dead transitions. [2024-10-24 12:15:49,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 94 transitions, 415 flow [2024-10-24 12:15:49,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 12:15:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 12:15:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 180 transitions. [2024-10-24 12:15:49,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.72 [2024-10-24 12:15:49,407 INFO L175 Difference]: Start difference. First operand has 57 places, 47 transitions, 136 flow. Second operand 5 states and 180 transitions. [2024-10-24 12:15:49,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 94 transitions, 415 flow [2024-10-24 12:15:49,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 94 transitions, 404 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-24 12:15:49,417 INFO L231 Difference]: Finished difference. Result has 61 places, 51 transitions, 188 flow [2024-10-24 12:15:49,418 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=188, PETRI_PLACES=61, PETRI_TRANSITIONS=51} [2024-10-24 12:15:49,418 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 3 predicate places. [2024-10-24 12:15:49,419 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 188 flow [2024-10-24 12:15:49,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:49,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:15:49,420 INFO L204 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] [2024-10-24 12:15:49,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 12:15:49,420 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:15:49,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:15:49,422 INFO L85 PathProgramCache]: Analyzing trace with hash -15923201, now seen corresponding path program 1 times [2024-10-24 12:15:49,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:15:49,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993710056] [2024-10-24 12:15:49,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:15:49,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:15:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:15:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:15:49,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:15:49,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993710056] [2024-10-24 12:15:49,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993710056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:15:49,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:15:49,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 12:15:49,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149788615] [2024-10-24 12:15:49,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:15:49,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 12:15:49,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:15:49,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 12:15:49,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 12:15:49,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 50 [2024-10-24 12:15:49,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 51 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:49,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:15:49,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 50 [2024-10-24 12:15:49,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 12:15:50,917 INFO L124 PetriNetUnfolderBase]: 4027/6127 cut-off events. [2024-10-24 12:15:50,918 INFO L125 PetriNetUnfolderBase]: For 4654/4654 co-relation queries the response was YES. [2024-10-24 12:15:50,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15577 conditions, 6127 events. 4027/6127 cut-off events. For 4654/4654 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 35955 event pairs, 289 based on Foata normal form. 244/6113 useless extension candidates. Maximal degree in co-relation 15563. Up to 1788 conditions per place. [2024-10-24 12:15:50,966 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 80 selfloop transitions, 14 changer transitions 1/111 dead transitions. [2024-10-24 12:15:50,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 111 transitions, 546 flow [2024-10-24 12:15:50,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 12:15:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 12:15:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 217 transitions. [2024-10-24 12:15:50,969 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7233333333333334 [2024-10-24 12:15:50,970 INFO L175 Difference]: Start difference. First operand has 61 places, 51 transitions, 188 flow. Second operand 6 states and 217 transitions. [2024-10-24 12:15:50,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 111 transitions, 546 flow [2024-10-24 12:15:51,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 111 transitions, 516 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-10-24 12:15:51,010 INFO L231 Difference]: Finished difference. Result has 64 places, 55 transitions, 238 flow [2024-10-24 12:15:51,010 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=238, PETRI_PLACES=64, PETRI_TRANSITIONS=55} [2024-10-24 12:15:51,012 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 6 predicate places. [2024-10-24 12:15:51,012 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 55 transitions, 238 flow [2024-10-24 12:15:51,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:51,013 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:15:51,013 INFO L204 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] [2024-10-24 12:15:51,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 12:15:51,014 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:15:51,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:15:51,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1398788504, now seen corresponding path program 1 times [2024-10-24 12:15:51,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:15:51,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416854830] [2024-10-24 12:15:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:15:51,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:15:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:15:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:15:51,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:15:51,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416854830] [2024-10-24 12:15:51,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416854830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:15:51,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:15:51,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 12:15:51,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107436879] [2024-10-24 12:15:51,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:15:51,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 12:15:51,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:15:51,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 12:15:51,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 12:15:51,461 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 50 [2024-10-24 12:15:51,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 55 transitions, 238 flow. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:51,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:15:51,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 50 [2024-10-24 12:15:51,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 12:15:52,407 INFO L124 PetriNetUnfolderBase]: 2863/4175 cut-off events. [2024-10-24 12:15:52,408 INFO L125 PetriNetUnfolderBase]: For 5022/5022 co-relation queries the response was YES. [2024-10-24 12:15:52,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11602 conditions, 4175 events. 2863/4175 cut-off events. For 5022/5022 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 21757 event pairs, 231 based on Foata normal form. 96/4100 useless extension candidates. Maximal degree in co-relation 11587. Up to 1316 conditions per place. [2024-10-24 12:15:52,452 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 71 selfloop transitions, 18 changer transitions 1/106 dead transitions. [2024-10-24 12:15:52,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 106 transitions, 536 flow [2024-10-24 12:15:52,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 12:15:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-24 12:15:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 232 transitions. [2024-10-24 12:15:52,454 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6628571428571428 [2024-10-24 12:15:52,455 INFO L175 Difference]: Start difference. First operand has 64 places, 55 transitions, 238 flow. Second operand 7 states and 232 transitions. [2024-10-24 12:15:52,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 106 transitions, 536 flow [2024-10-24 12:15:52,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 106 transitions, 490 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-10-24 12:15:52,488 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 248 flow [2024-10-24 12:15:52,488 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=248, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2024-10-24 12:15:52,489 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2024-10-24 12:15:52,489 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 248 flow [2024-10-24 12:15:52,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:52,490 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:15:52,490 INFO L204 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] [2024-10-24 12:15:52,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 12:15:52,490 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:15:52,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:15:52,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2052048850, now seen corresponding path program 1 times [2024-10-24 12:15:52,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:15:52,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368836009] [2024-10-24 12:15:52,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:15:52,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:15:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:15:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:15:54,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:15:54,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368836009] [2024-10-24 12:15:54,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368836009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:15:54,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:15:54,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 12:15:54,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131311765] [2024-10-24 12:15:54,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:15:54,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 12:15:54,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:15:54,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 12:15:54,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 12:15:54,871 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-10-24 12:15:54,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 248 flow. Second operand has 10 states, 10 states have (on average 20.5) internal successors, (205), 10 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:54,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:15:54,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-10-24 12:15:54,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 12:15:57,171 INFO L124 PetriNetUnfolderBase]: 11804/18261 cut-off events. [2024-10-24 12:15:57,172 INFO L125 PetriNetUnfolderBase]: For 8305/8688 co-relation queries the response was YES. [2024-10-24 12:15:57,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43378 conditions, 18261 events. 11804/18261 cut-off events. For 8305/8688 co-relation queries the response was YES. Maximal size of possible extension queue 876. Compared 130095 event pairs, 2056 based on Foata normal form. 16/17689 useless extension candidates. Maximal degree in co-relation 43362. Up to 4878 conditions per place. [2024-10-24 12:15:57,415 INFO L140 encePairwiseOnDemand]: 35/50 looper letters, 115 selfloop transitions, 33 changer transitions 14/188 dead transitions. [2024-10-24 12:15:57,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 188 transitions, 898 flow [2024-10-24 12:15:57,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 12:15:57,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-24 12:15:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 361 transitions. [2024-10-24 12:15:57,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6563636363636364 [2024-10-24 12:15:57,418 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 248 flow. Second operand 11 states and 361 transitions. [2024-10-24 12:15:57,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 188 transitions, 898 flow [2024-10-24 12:15:57,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 188 transitions, 772 flow, removed 32 selfloop flow, removed 10 redundant places. [2024-10-24 12:15:57,682 INFO L231 Difference]: Finished difference. Result has 76 places, 91 transitions, 410 flow [2024-10-24 12:15:57,683 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=410, PETRI_PLACES=76, PETRI_TRANSITIONS=91} [2024-10-24 12:15:57,684 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 18 predicate places. [2024-10-24 12:15:57,684 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 91 transitions, 410 flow [2024-10-24 12:15:57,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.5) internal successors, (205), 10 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:57,685 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:15:57,685 INFO L204 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] [2024-10-24 12:15:57,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 12:15:57,685 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:15:57,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:15:57,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1287791540, now seen corresponding path program 2 times [2024-10-24 12:15:57,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:15:57,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367007592] [2024-10-24 12:15:57,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:15:57,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:15:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:15:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:15:58,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:15:58,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367007592] [2024-10-24 12:15:58,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367007592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:15:58,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:15:58,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 12:15:58,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306930200] [2024-10-24 12:15:58,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:15:58,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 12:15:58,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:15:58,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 12:15:58,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 12:15:58,120 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 50 [2024-10-24 12:15:58,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 91 transitions, 410 flow. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:15:58,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:15:58,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 50 [2024-10-24 12:15:58,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 12:15:59,252 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 32#L775true, 63#true, 84#(and (<= ~__unbuffered_cnt~0 1) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 5#L878-4true, 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 12#$Ultimate##0true]) [2024-10-24 12:15:59,253 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-10-24 12:15:59,253 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-10-24 12:15:59,253 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-10-24 12:15:59,253 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-10-24 12:15:59,422 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 32#L775true, 63#true, 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 84#(and (<= ~__unbuffered_cnt~0 1) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, 17#L879true, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 12#$Ultimate##0true]) [2024-10-24 12:15:59,423 INFO L294 olderBase$Statistics]: this new event has 24 ancestors and is cut-off event [2024-10-24 12:15:59,423 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2024-10-24 12:15:59,423 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2024-10-24 12:15:59,423 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2024-10-24 12:15:59,626 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [24#P0EXITtrue, 59#true, 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 5#L878-4true, 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 12#$Ultimate##0true, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0))]) [2024-10-24 12:15:59,627 INFO L294 olderBase$Statistics]: this new event has 25 ancestors and is cut-off event [2024-10-24 12:15:59,627 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2024-10-24 12:15:59,627 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2024-10-24 12:15:59,627 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2024-10-24 12:15:59,828 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([391] L785-->L788: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0][41], [18#L788true, 154#(and (= ~__unbuffered_p1_EAX~0 1) (= ~y~0 1)), 59#true, 32#L775true, 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 84#(and (<= ~__unbuffered_cnt~0 1) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 5#L878-4true, 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 19#L831true]) [2024-10-24 12:15:59,828 INFO L294 olderBase$Statistics]: this new event has 25 ancestors and is not cut-off event [2024-10-24 12:15:59,828 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is not cut-off event [2024-10-24 12:15:59,828 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is not cut-off event [2024-10-24 12:15:59,829 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is not cut-off event [2024-10-24 12:15:59,871 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [24#P0EXITtrue, 59#true, 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, 17#L879true, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 12#$Ultimate##0true, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0))]) [2024-10-24 12:15:59,871 INFO L294 olderBase$Statistics]: this new event has 26 ancestors and is cut-off event [2024-10-24 12:15:59,871 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is cut-off event [2024-10-24 12:15:59,871 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is cut-off event [2024-10-24 12:15:59,871 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is cut-off event [2024-10-24 12:16:00,272 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 32#L775true, 14#L795true, 63#true, 84#(and (<= ~__unbuffered_cnt~0 1) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), 5#L878-4true, 57#true, Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true]) [2024-10-24 12:16:00,273 INFO L294 olderBase$Statistics]: this new event has 27 ancestors and is cut-off event [2024-10-24 12:16:00,273 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is cut-off event [2024-10-24 12:16:00,273 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is cut-off event [2024-10-24 12:16:00,273 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is cut-off event [2024-10-24 12:16:00,276 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([391] L785-->L788: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0][41], [18#L788true, 154#(and (= ~__unbuffered_p1_EAX~0 1) (= ~y~0 1)), 59#true, 32#L775true, 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 84#(and (<= ~__unbuffered_cnt~0 1) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 57#true, Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 17#L879true, 51#P2EXITtrue, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 19#L831true]) [2024-10-24 12:16:00,276 INFO L294 olderBase$Statistics]: this new event has 26 ancestors and is not cut-off event [2024-10-24 12:16:00,276 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is not cut-off event [2024-10-24 12:16:00,277 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is not cut-off event [2024-10-24 12:16:00,277 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is not cut-off event [2024-10-24 12:16:00,520 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([391] L785-->L788: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0][41], [24#P0EXITtrue, 18#L788true, 154#(and (= ~__unbuffered_p1_EAX~0 1) (= ~y~0 1)), 59#true, 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 5#L878-4true, 57#true, Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0)), 19#L831true]) [2024-10-24 12:16:00,520 INFO L294 olderBase$Statistics]: this new event has 27 ancestors and is not cut-off event [2024-10-24 12:16:00,521 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is not cut-off event [2024-10-24 12:16:00,521 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is not cut-off event [2024-10-24 12:16:00,521 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is not cut-off event [2024-10-24 12:16:00,538 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 14#L795true, 41#L778true, 63#true, 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 5#L878-4true, 57#true, 51#P2EXITtrue, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0))]) [2024-10-24 12:16:00,538 INFO L294 olderBase$Statistics]: this new event has 28 ancestors and is cut-off event [2024-10-24 12:16:00,538 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-24 12:16:00,538 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-24 12:16:00,538 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-24 12:16:00,558 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 32#L775true, 14#L795true, 63#true, 84#(and (<= ~__unbuffered_cnt~0 1) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 57#true, 51#P2EXITtrue, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 17#L879true, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true]) [2024-10-24 12:16:00,558 INFO L294 olderBase$Statistics]: this new event has 28 ancestors and is cut-off event [2024-10-24 12:16:00,559 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-24 12:16:00,559 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-24 12:16:00,559 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-24 12:16:00,781 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [24#P0EXITtrue, 59#true, 14#L795true, 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 5#L878-4true, 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0))]) [2024-10-24 12:16:00,782 INFO L294 olderBase$Statistics]: this new event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,782 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,782 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,782 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,783 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([391] L785-->L788: Formula: (= v_~__unbuffered_p1_EAX~0_1 v_~y~0_1) InVars {~y~0=v_~y~0_1} OutVars{~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_1, ~y~0=v_~y~0_1} AuxVars[] AssignedVars[~__unbuffered_p1_EAX~0][41], [24#P0EXITtrue, 18#L788true, 154#(and (= ~__unbuffered_p1_EAX~0 1) (= ~y~0 1)), 59#true, 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 57#true, Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 51#P2EXITtrue, 17#L879true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0)), 19#L831true]) [2024-10-24 12:16:00,783 INFO L294 olderBase$Statistics]: this new event has 28 ancestors and is not cut-off event [2024-10-24 12:16:00,783 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-10-24 12:16:00,783 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-10-24 12:16:00,783 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-10-24 12:16:00,803 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 14#L795true, 41#L778true, 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, 17#L879true, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0))]) [2024-10-24 12:16:00,804 INFO L294 olderBase$Statistics]: this new event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,804 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,804 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,804 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,830 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 32#L775true, 63#true, 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), 5#L878-4true, 57#true, Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 28#P1EXITtrue, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0))]) [2024-10-24 12:16:00,831 INFO L294 olderBase$Statistics]: this new event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,831 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,831 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:00,831 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-24 12:16:01,019 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [24#P0EXITtrue, 59#true, 14#L795true, 63#true, 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 43#L847true, Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 57#true, 17#L879true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0))]) [2024-10-24 12:16:01,020 INFO L294 olderBase$Statistics]: this new event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,020 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,020 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,020 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,045 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 41#L778true, 63#true, 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 149#(= ~y~0 1), 43#L847true, Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 5#L878-4true, 57#true, 51#P2EXITtrue, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 115#(and (<= ~__unbuffered_cnt~0 3) (<= (mod ~main$tmp_guard0~0 256) 0)), Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 28#P1EXITtrue]) [2024-10-24 12:16:01,045 INFO L294 olderBase$Statistics]: this new event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,045 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,045 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,046 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,066 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 32#L775true, 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 149#(= ~y~0 1), 43#L847true, Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 57#true, 51#P2EXITtrue, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 17#L879true, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 28#P1EXITtrue, 98#(and (<= ~__unbuffered_cnt~0 2) (<= (mod ~main$tmp_guard0~0 256) 0))]) [2024-10-24 12:16:01,066 INFO L294 olderBase$Statistics]: this new event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,066 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,067 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,067 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-24 12:16:01,208 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [24#P0EXITtrue, 59#true, 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 149#(= ~y~0 1), 43#L847true, Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 5#L878-4true, 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, 115#(and (<= ~__unbuffered_cnt~0 3) (<= (mod ~main$tmp_guard0~0 256) 0)), Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 28#P1EXITtrue]) [2024-10-24 12:16:01,208 INFO L294 olderBase$Statistics]: this new event has 31 ancestors and is cut-off event [2024-10-24 12:16:01,208 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-24 12:16:01,208 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-24 12:16:01,208 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-24 12:16:01,222 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 41#L778true, 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 149#(= ~y~0 1), 43#L847true, Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 57#true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, 115#(and (<= ~__unbuffered_cnt~0 3) (<= (mod ~main$tmp_guard0~0 256) 0)), 17#L879true, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 28#P1EXITtrue]) [2024-10-24 12:16:01,223 INFO L294 olderBase$Statistics]: this new event has 31 ancestors and is cut-off event [2024-10-24 12:16:01,223 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-24 12:16:01,223 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-24 12:16:01,223 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-24 12:16:01,337 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([405] L831-->L847: Formula: (let ((.cse4 (= (mod v_~b$r_buff1_thd4~0_66 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_68 256) 0))) (let ((.cse10 (not .cse8)) (.cse11 (and (= (mod v_~b$w_buff1_used~0_127 256) 0) .cse8)) (.cse9 (and .cse4 .cse8)) (.cse12 (= (mod v_~b$w_buff0_used~0_138 256) 0)) (.cse5 (= (mod v_~weak$$choice2~0_30 256) 0))) (let ((.cse1 (= (mod v_~b$w_buff1_used~0_126 256) 0)) (.cse0 (not .cse5)) (.cse3 (= (mod v_~b$w_buff0_used~0_137 256) 0)) (.cse6 (or .cse11 .cse9 .cse12)) (.cse7 (and .cse10 (not .cse12)))) (and (= v_~b$r_buff1_thd4~0_65 (ite (= (mod (ite .cse0 v_~b$r_buff1_thd4~0_66 (ite (let ((.cse2 (= (mod v_~b$r_buff0_thd4~0_67 256) 0))) (or (and .cse1 .cse2) .cse3 (and .cse4 .cse2))) v_~b$r_buff1_thd4~0_66 0)) 256) 0) 0 1)) (= v_~b~0_72 (ite (not (= (mod (ite .cse5 0 1) 256) 0)) v_~b$mem_tmp~0_20 v_~__unbuffered_p3_EBX~0_18)) (= v_~b$flush_delayed~0_33 0) (= (ite (= (mod (ite .cse0 v_~b$w_buff0_used~0_138 (ite .cse6 v_~b$w_buff0_used~0_138 (ite .cse7 0 v_~b$w_buff0_used~0_138))) 256) 0) 0 1) v_~b$w_buff0_used~0_137) (= (ite (= (mod (ite .cse0 v_~b$r_buff0_thd4~0_68 (ite (or (and .cse1 .cse8) .cse3 .cse9) v_~b$r_buff0_thd4~0_68 (ite (and .cse10 (not .cse3)) 0 v_~b$r_buff0_thd4~0_68))) 256) 0) 0 1) v_~b$r_buff0_thd4~0_67) (= (ite (= (mod (ite .cse0 v_~b$w_buff1_used~0_127 (ite (or .cse11 .cse3 .cse9) v_~b$w_buff1_used~0_127 0)) 256) 0) 0 1) v_~b$w_buff1_used~0_126) (= v_~b$w_buff1~0_44 v_~b$w_buff1~0_43) (= (ite (= (mod |v_P3_#t~nondet3_19| 256) 0) 0 1) v_~weak$$choice0~0_7) (or (= |v_P3_#t~nondet3_19| 1) (= |v_P3_#t~nondet3_19| 0)) (= v_~b$w_buff0~0_53 v_~b$w_buff0~0_52) (= v_~b$mem_tmp~0_20 v_~b~0_73) (= (ite .cse6 v_~b~0_73 (ite .cse7 v_~b$w_buff0~0_53 v_~b$w_buff1~0_44)) v_~__unbuffered_p3_EBX~0_18) (or (= |v_P3_#t~nondet4_27| 0) (= |v_P3_#t~nondet4_27| 1)) (= (ite (= (mod |v_P3_#t~nondet4_27| 256) 0) 0 1) v_~weak$$choice2~0_30))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_138, ~b~0=v_~b~0_73, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_127, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_66, ~b$w_buff1~0=v_~b$w_buff1~0_44, ~b$w_buff0~0=v_~b$w_buff0~0_53, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_68} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_20, ~b$flush_delayed~0=v_~b$flush_delayed~0_33, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_18, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_137, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_72, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_126, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_65, ~b$w_buff1~0=v_~b$w_buff1~0_43, ~b$w_buff0~0=v_~b$w_buff0~0_52, ~weak$$choice2~0=v_~weak$$choice2~0_30, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_67, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} AuxVars[|v_P3_#t~nondet3_19|, |v_P3_#t~nondet4_27|] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [24#P0EXITtrue, 59#true, 63#true, Black: 120#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0)), 133#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 43#L847true, Black: 122#(and (= ~b$r_buff0_thd4~0 0) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (<= 0 (div ~b$w_buff0_used~0 256)) (<= (mod ~b$w_buff0_used~0 256) 0) (not (= ~b~0 0)) (= 0 ~b$r_buff1_thd2~0)), 149#(= ~y~0 1), Black: 137#(and (<= 1 ~main$tmp_guard1~0) (or (< 0 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 254) 0)) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 131#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), Black: 135#(and (<= 1 ~main$tmp_guard1~0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 129#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (= ~b$r_buff0_thd3~0 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0)))), 57#true, 115#(and (<= ~__unbuffered_cnt~0 3) (<= (mod ~main$tmp_guard0~0 256) 0)), 17#L879true, Black: 125#(or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), 51#P2EXITtrue, Black: 121#(and (= ~b$r_buff0_thd4~0 0) (= ~b$r_buff0_thd1~0 1) (= 0 ~b$r_buff1_thd3~0) (= ~b$r_buff0_thd2~0 0) (= ~b~0 0) (not (= ~b$w_buff0~0 0)) (= ~b$r_buff0_thd3~0 0) (= 0 ~b$r_buff1_thd4~0) (= ~b$w_buff0_used~0 1) (= 0 ~b$r_buff1_thd2~0)), 61#true, 28#P1EXITtrue]) [2024-10-24 12:16:01,338 INFO L294 olderBase$Statistics]: this new event has 32 ancestors and is cut-off event [2024-10-24 12:16:01,338 INFO L297 olderBase$Statistics]: existing Event has 32 ancestors and is cut-off event [2024-10-24 12:16:01,338 INFO L297 olderBase$Statistics]: existing Event has 32 ancestors and is cut-off event [2024-10-24 12:16:01,338 INFO L297 olderBase$Statistics]: existing Event has 32 ancestors and is cut-off event [2024-10-24 12:16:01,628 INFO L124 PetriNetUnfolderBase]: 17688/28910 cut-off events. [2024-10-24 12:16:01,628 INFO L125 PetriNetUnfolderBase]: For 26979/28188 co-relation queries the response was YES. [2024-10-24 12:16:01,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78048 conditions, 28910 events. 17688/28910 cut-off events. For 26979/28188 co-relation queries the response was YES. Maximal size of possible extension queue 1596. Compared 241531 event pairs, 4268 based on Foata normal form. 548/27671 useless extension candidates. Maximal degree in co-relation 78028. Up to 10316 conditions per place. [2024-10-24 12:16:01,970 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 59 selfloop transitions, 3 changer transitions 51/154 dead transitions. [2024-10-24 12:16:01,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 154 transitions, 896 flow [2024-10-24 12:16:01,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 12:16:01,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 12:16:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2024-10-24 12:16:01,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2024-10-24 12:16:01,972 INFO L175 Difference]: Start difference. First operand has 76 places, 91 transitions, 410 flow. Second operand 6 states and 190 transitions. [2024-10-24 12:16:01,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 154 transitions, 896 flow [2024-10-24 12:16:02,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 154 transitions, 890 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-24 12:16:02,029 INFO L231 Difference]: Finished difference. Result has 81 places, 86 transitions, 407 flow [2024-10-24 12:16:02,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=407, PETRI_PLACES=81, PETRI_TRANSITIONS=86} [2024-10-24 12:16:02,030 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 23 predicate places. [2024-10-24 12:16:02,031 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 86 transitions, 407 flow [2024-10-24 12:16:02,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:16:02,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:16:02,031 INFO L204 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] [2024-10-24 12:16:02,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 12:16:02,031 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:16:02,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:16:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1400149616, now seen corresponding path program 3 times [2024-10-24 12:16:02,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:16:02,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619925411] [2024-10-24 12:16:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:16:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:16:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 12:16:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 12:16:02,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 12:16:02,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619925411] [2024-10-24 12:16:02,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619925411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 12:16:02,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 12:16:02,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 12:16:02,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326823549] [2024-10-24 12:16:02,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 12:16:02,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 12:16:02,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 12:16:02,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 12:16:02,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 12:16:02,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 50 [2024-10-24 12:16:02,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 86 transitions, 407 flow. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:16:02,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 12:16:02,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 50 [2024-10-24 12:16:02,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 12:16:06,993 INFO L124 PetriNetUnfolderBase]: 26937/43578 cut-off events. [2024-10-24 12:16:06,993 INFO L125 PetriNetUnfolderBase]: For 40439/42027 co-relation queries the response was YES. [2024-10-24 12:16:07,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116813 conditions, 43578 events. 26937/43578 cut-off events. For 40439/42027 co-relation queries the response was YES. Maximal size of possible extension queue 2603. Compared 382148 event pairs, 8690 based on Foata normal form. 277/40571 useless extension candidates. Maximal degree in co-relation 116790. Up to 16008 conditions per place. [2024-10-24 12:16:07,549 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 36 selfloop transitions, 1 changer transitions 77/147 dead transitions. [2024-10-24 12:16:07,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 147 transitions, 860 flow [2024-10-24 12:16:07,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 12:16:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 12:16:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 193 transitions. [2024-10-24 12:16:07,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6433333333333333 [2024-10-24 12:16:07,551 INFO L175 Difference]: Start difference. First operand has 81 places, 86 transitions, 407 flow. Second operand 6 states and 193 transitions. [2024-10-24 12:16:07,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 147 transitions, 860 flow [2024-10-24 12:16:07,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 147 transitions, 853 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-10-24 12:16:07,760 INFO L231 Difference]: Finished difference. Result has 85 places, 63 transitions, 285 flow [2024-10-24 12:16:07,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=85, PETRI_TRANSITIONS=63} [2024-10-24 12:16:07,763 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 27 predicate places. [2024-10-24 12:16:07,763 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 63 transitions, 285 flow [2024-10-24 12:16:07,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 12:16:07,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 12:16:07,766 INFO L204 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] [2024-10-24 12:16:07,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 12:16:07,766 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-24 12:16:07,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 12:16:07,767 INFO L85 PathProgramCache]: Analyzing trace with hash 702854480, now seen corresponding path program 4 times [2024-10-24 12:16:07,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 12:16:07,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122772177] [2024-10-24 12:16:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 12:16:07,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 12:16:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 12:16:07,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 12:16:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 12:16:08,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 12:16:08,095 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 12:16:08,099 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-10-24 12:16:08,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-10-24 12:16:08,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-10-24 12:16:08,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-10-24 12:16:08,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-10-24 12:16:08,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-10-24 12:16:08,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-10-24 12:16:08,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 12:16:08,103 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-10-24 12:16:08,243 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 12:16:08,244 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 12:16:08,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:16:08 BasicIcfg [2024-10-24 12:16:08,255 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 12:16:08,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 12:16:08,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 12:16:08,258 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 12:16:08,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:15:42" (3/4) ... [2024-10-24 12:16:08,260 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-24 12:16:08,405 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 12:16:08,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 12:16:08,406 INFO L158 Benchmark]: Toolchain (without parser) took 27204.99ms. Allocated memory was 134.2MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 60.8MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 511.4MB. Max. memory is 16.1GB. [2024-10-24 12:16:08,407 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 12:16:08,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.96ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 60.5MB in the beginning and 143.6MB in the end (delta: -83.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-10-24 12:16:08,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.67ms. Allocated memory is still 184.5MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 12:16:08,408 INFO L158 Benchmark]: Boogie Preprocessor took 70.85ms. Allocated memory is still 184.5MB. Free memory was 141.5MB in the beginning and 137.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 12:16:08,408 INFO L158 Benchmark]: RCFGBuilder took 942.23ms. Allocated memory is still 184.5MB. Free memory was 137.3MB in the beginning and 147.6MB in the end (delta: -10.3MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-10-24 12:16:08,408 INFO L158 Benchmark]: TraceAbstraction took 25280.14ms. Allocated memory was 184.5MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 147.5MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 525.1MB. Max. memory is 16.1GB. [2024-10-24 12:16:08,408 INFO L158 Benchmark]: Witness Printer took 149.39ms. Allocated memory is still 4.8GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 12:16:08,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.96ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 60.5MB in the beginning and 143.6MB in the end (delta: -83.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.67ms. Allocated memory is still 184.5MB. Free memory was 143.6MB in the beginning and 141.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.85ms. Allocated memory is still 184.5MB. Free memory was 141.5MB in the beginning and 137.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 942.23ms. Allocated memory is still 184.5MB. Free memory was 137.3MB in the beginning and 147.6MB in the end (delta: -10.3MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * TraceAbstraction took 25280.14ms. Allocated memory was 184.5MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 147.5MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 525.1MB. Max. memory is 16.1GB. * Witness Printer took 149.39ms. Allocated memory is still 4.8GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool b$flush_delayed; [L724] 0 int b$mem_tmp; [L725] 0 _Bool b$r_buff0_thd0; [L726] 0 _Bool b$r_buff0_thd1; [L727] 0 _Bool b$r_buff0_thd2; [L728] 0 _Bool b$r_buff0_thd3; [L729] 0 _Bool b$r_buff0_thd4; [L730] 0 _Bool b$r_buff1_thd0; [L731] 0 _Bool b$r_buff1_thd1; [L732] 0 _Bool b$r_buff1_thd2; [L733] 0 _Bool b$r_buff1_thd3; [L734] 0 _Bool b$r_buff1_thd4; [L735] 0 _Bool b$read_delayed; [L736] 0 int *b$read_delayed_var; [L737] 0 int b$w_buff0; [L738] 0 _Bool b$w_buff0_used; [L739] 0 int b$w_buff1; [L740] 0 _Bool b$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L871] 0 pthread_t t1129; [L872] FCALL, FORK 0 pthread_create(&t1129, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1129=-3, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 b$w_buff1 = b$w_buff0 [L755] 1 b$w_buff0 = 1 [L756] 1 b$w_buff1_used = b$w_buff0_used [L757] 1 b$w_buff0_used = (_Bool)1 [L758] CALL 1 __VERIFIER_assert(!(b$w_buff1_used && b$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L758] RET 1 __VERIFIER_assert(!(b$w_buff1_used && b$w_buff0_used)) [L759] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L760] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L761] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L762] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L763] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L764] 1 b$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t1130; [L874] FCALL, FORK 0 pthread_create(&t1130, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1129=-3, t1130=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L767] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t1131; [L876] FCALL, FORK 0 pthread_create(&t1131, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1129=-3, t1130=-2, t1131=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t1132; [L878] FCALL, FORK 0 pthread_create(&t1132, ((void *)0), P3, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1129=-3, t1130=-2, t1131=-1, t1132=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L784] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L804] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L807] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L824] 4 z = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L827] 4 a = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L830] 4 __unbuffered_p3_EAX = a VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L790] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L791] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L792] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L793] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L794] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L810] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L811] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L812] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L813] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L814] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L833] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 4 b$flush_delayed = weak$$choice2 [L836] 4 b$mem_tmp = b [L837] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L838] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L839] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L840] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L841] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L843] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] 4 __unbuffered_p3_EBX = b [L845] 4 b = b$flush_delayed ? b$mem_tmp : b [L846] 4 b$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L770] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L771] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L772] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L773] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L774] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L849] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L850] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L851] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L852] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L853] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=1, main$tmp_guard1=0, t1129=-3, t1130=-2, t1131=-1, t1132=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L882] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L882] RET 0 assume_abort_if_not(main$tmp_guard0) [L884] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L885] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L886] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L887] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L888] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=1, main$tmp_guard1=0, t1129=-3, t1130=-2, t1131=-1, t1132=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L891] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, main$tmp_guard0=1, main$tmp_guard1=0, t1129=-3, t1130=-2, t1131=-1, t1132=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L893] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] [L18] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=2] - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 85 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 24.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 668 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 641 mSDsluCounter, 278 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 243 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1372 IncrementalHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 35 mSDtfsCounter, 1372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred in iteration=6, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 1162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-24 12:16:08,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE