./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix043.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix043.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU --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-4fc63b2 [2024-10-31 22:15:35,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:35,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:15:35,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:35,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:35,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:35,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:35,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:35,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:35,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:35,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:35,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:35,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:35,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:35,525 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:35,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:35,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:35,529 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:35,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:35,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:35,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:35,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:35,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:35,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:35,535 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:35,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:35,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:35,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:35,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:35,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:35,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:15:35,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:35,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:35,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:35,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:35,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:35,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:35,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:15:35,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:35,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:35,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:35,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:35,542 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfd96daa3950021158d7079dc25a62741fa5d5a7f9e521049c1a78760db50f1 [2024-10-31 22:15:35,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:36,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:36,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:36,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:36,023 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:36,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/mix043.oepc.i Unable to find full path for "g++" [2024-10-31 22:15:38,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:38,568 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:38,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/sv-benchmarks/c/pthread-wmm/mix043.oepc.i [2024-10-31 22:15:38,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/data/c8767c7d3/84cf7514d6da408ca02f9db0ac847012/FLAGcd6f205c2 [2024-10-31 22:15:38,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/data/c8767c7d3/84cf7514d6da408ca02f9db0ac847012 [2024-10-31 22:15:38,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:38,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:38,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:38,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:38,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:38,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:38" (1/1) ... [2024-10-31 22:15:38,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64703849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:38, skipping insertion in model container [2024-10-31 22:15:38,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:38" (1/1) ... [2024-10-31 22:15:38,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:39,213 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/sv-benchmarks/c/pthread-wmm/mix043.oepc.i[945,958] [2024-10-31 22:15:39,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:39,523 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:39,534 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/sv-benchmarks/c/pthread-wmm/mix043.oepc.i[945,958] [2024-10-31 22:15:39,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:39,657 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:39,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39 WrapperNode [2024-10-31 22:15:39,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:39,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:39,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:39,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:39,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,767 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-10-31 22:15:39,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:39,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:39,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:39,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:39,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,815 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]. [2024-10-31 22:15:39,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:39,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:39,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:39,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:39,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (1/1) ... [2024-10-31 22:15:39,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:39,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:39,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:39,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_655f9717-7520-43f4-ad6d-8330874bb8ec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:15:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 22:15:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 22:15:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-31 22:15:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-31 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-31 22:15:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-31 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:15:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:15:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:39,946 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:15:40,155 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:40,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:40,599 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:15:40,600 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:40,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:40,944 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:15:40,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:40 BoogieIcfgContainer [2024-10-31 22:15:40,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:40,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:40,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:40,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:40,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:38" (1/3) ... [2024-10-31 22:15:40,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6987114b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:40, skipping insertion in model container [2024-10-31 22:15:40,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:39" (2/3) ... [2024-10-31 22:15:40,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6987114b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:40, skipping insertion in model container [2024-10-31 22:15:40,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:40" (3/3) ... [2024-10-31 22:15:40,975 INFO L112 eAbstractionObserver]: Analyzing ICFG mix043.oepc.i [2024-10-31 22:15:40,994 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:40,994 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 22:15:40,994 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:15:41,059 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:15:41,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 50 transitions, 116 flow [2024-10-31 22:15:41,136 INFO L124 PetriNetUnfolderBase]: 1/46 cut-off events. [2024-10-31 22:15:41,137 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:15:41,140 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. [2024-10-31 22:15:41,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 50 transitions, 116 flow [2024-10-31 22:15:41,144 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 46 transitions, 104 flow [2024-10-31 22:15:41,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:41,163 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;@1ccd966f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:41,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-31 22:15:41,169 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:15:41,169 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-10-31 22:15:41,169 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:15:41,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:41,170 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-31 22:15:41,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:15:41,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:41,180 INFO L85 PathProgramCache]: Analyzing trace with hash 12056438, now seen corresponding path program 1 times [2024-10-31 22:15:41,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:41,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746721451] [2024-10-31 22:15:41,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:41,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:41,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:41,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746721451] [2024-10-31 22:15:41,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746721451] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:41,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:41,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:15:41,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103857913] [2024-10-31 22:15:41,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:41,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:41,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:41,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:41,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:41,814 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 50 [2024-10-31 22:15:41,817 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) [2024-10-31 22:15:41,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:41,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 50 [2024-10-31 22:15:41,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:43,079 INFO L124 PetriNetUnfolderBase]: 2495/3975 cut-off events. [2024-10-31 22:15:43,079 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-10-31 22:15:43,094 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. [2024-10-31 22:15:43,114 INFO L140 encePairwiseOnDemand]: 46/50 looper letters, 37 selfloop transitions, 2 changer transitions 2/62 dead transitions. [2024-10-31 22:15:43,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 62 transitions, 227 flow [2024-10-31 22:15:43,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:15:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-10-31 22:15:43,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7933333333333333 [2024-10-31 22:15:43,129 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 119 transitions. [2024-10-31 22:15:43,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 62 transitions, 227 flow [2024-10-31 22:15:43,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 62 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:15:43,137 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 98 flow [2024-10-31 22:15:43,139 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} [2024-10-31 22:15:43,143 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -3 predicate places. [2024-10-31 22:15:43,143 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 98 flow [2024-10-31 22:15:43,143 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) [2024-10-31 22:15:43,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:43,144 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:43,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:15:43,144 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)] === [2024-10-31 22:15:43,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2058737664, now seen corresponding path program 1 times [2024-10-31 22:15:43,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:43,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119452660] [2024-10-31 22:15:43,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:43,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:43,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:43,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119452660] [2024-10-31 22:15:43,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119452660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:43,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:43,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:15:43,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409455837] [2024-10-31 22:15:43,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:43,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:15:43,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:43,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:15:43,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:15:43,516 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 50 [2024-10-31 22:15:43,517 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) [2024-10-31 22:15:43,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:43,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 50 [2024-10-31 22:15:43,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:46,043 INFO L124 PetriNetUnfolderBase]: 7779/12179 cut-off events. [2024-10-31 22:15:46,043 INFO L125 PetriNetUnfolderBase]: For 554/554 co-relation queries the response was YES. [2024-10-31 22:15:46,082 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. [2024-10-31 22:15:46,141 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 52 selfloop transitions, 6 changer transitions 1/75 dead transitions. [2024-10-31 22:15:46,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 75 transitions, 290 flow [2024-10-31 22:15:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:15:46,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:15:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2024-10-31 22:15:46,145 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.705 [2024-10-31 22:15:46,145 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 98 flow. Second operand 4 states and 141 transitions. [2024-10-31 22:15:46,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 75 transitions, 290 flow [2024-10-31 22:15:46,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 75 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:46,152 INFO L231 Difference]: Finished difference. Result has 57 places, 47 transitions, 136 flow [2024-10-31 22:15:46,152 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} [2024-10-31 22:15:46,153 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -1 predicate places. [2024-10-31 22:15:46,153 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 136 flow [2024-10-31 22:15:46,153 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) [2024-10-31 22:15:46,154 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:46,154 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] [2024-10-31 22:15:46,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:15:46,154 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)] === [2024-10-31 22:15:46,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1906851282, now seen corresponding path program 1 times [2024-10-31 22:15:46,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:46,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921270442] [2024-10-31 22:15:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:46,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:46,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:46,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921270442] [2024-10-31 22:15:46,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921270442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:46,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:46,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:15:46,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615887638] [2024-10-31 22:15:46,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:46,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:15:46,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:46,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:15:46,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:15:46,553 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 50 [2024-10-31 22:15:46,553 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) [2024-10-31 22:15:46,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:46,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 50 [2024-10-31 22:15:46,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:48,469 INFO L124 PetriNetUnfolderBase]: 6075/9479 cut-off events. [2024-10-31 22:15:48,469 INFO L125 PetriNetUnfolderBase]: For 2276/2276 co-relation queries the response was YES. [2024-10-31 22:15:48,506 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. [2024-10-31 22:15:48,559 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 67 selfloop transitions, 10 changer transitions 1/94 dead transitions. [2024-10-31 22:15:48,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 94 transitions, 415 flow [2024-10-31 22:15:48,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:15:48,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 22:15:48,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 180 transitions. [2024-10-31 22:15:48,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.72 [2024-10-31 22:15:48,566 INFO L175 Difference]: Start difference. First operand has 57 places, 47 transitions, 136 flow. Second operand 5 states and 180 transitions. [2024-10-31 22:15:48,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 94 transitions, 415 flow [2024-10-31 22:15:48,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 94 transitions, 404 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-31 22:15:48,576 INFO L231 Difference]: Finished difference. Result has 61 places, 51 transitions, 188 flow [2024-10-31 22:15:48,577 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} [2024-10-31 22:15:48,577 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 3 predicate places. [2024-10-31 22:15:48,578 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 188 flow [2024-10-31 22:15:48,579 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) [2024-10-31 22:15:48,579 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:48,579 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] [2024-10-31 22:15:48,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:15:48,580 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)] === [2024-10-31 22:15:48,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:48,581 INFO L85 PathProgramCache]: Analyzing trace with hash -15923201, now seen corresponding path program 1 times [2024-10-31 22:15:48,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:48,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462493918] [2024-10-31 22:15:48,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:48,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:49,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:49,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462493918] [2024-10-31 22:15:49,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462493918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:49,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:49,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:15:49,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299639528] [2024-10-31 22:15:49,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:49,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:15:49,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:49,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:15:49,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:15:49,088 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 50 [2024-10-31 22:15:49,088 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) [2024-10-31 22:15:49,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:49,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 50 [2024-10-31 22:15:49,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:50,472 INFO L124 PetriNetUnfolderBase]: 4027/6127 cut-off events. [2024-10-31 22:15:50,472 INFO L125 PetriNetUnfolderBase]: For 4654/4654 co-relation queries the response was YES. [2024-10-31 22:15:50,497 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. [2024-10-31 22:15:50,521 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 80 selfloop transitions, 14 changer transitions 1/111 dead transitions. [2024-10-31 22:15:50,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 111 transitions, 546 flow [2024-10-31 22:15:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:15:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:15:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 217 transitions. [2024-10-31 22:15:50,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7233333333333334 [2024-10-31 22:15:50,524 INFO L175 Difference]: Start difference. First operand has 61 places, 51 transitions, 188 flow. Second operand 6 states and 217 transitions. [2024-10-31 22:15:50,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 111 transitions, 546 flow [2024-10-31 22:15:50,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 111 transitions, 516 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-10-31 22:15:50,554 INFO L231 Difference]: Finished difference. Result has 64 places, 55 transitions, 238 flow [2024-10-31 22:15:50,554 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} [2024-10-31 22:15:50,555 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 6 predicate places. [2024-10-31 22:15:50,555 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 55 transitions, 238 flow [2024-10-31 22:15:50,556 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) [2024-10-31 22:15:50,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:50,556 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] [2024-10-31 22:15:50,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:15:50,557 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)] === [2024-10-31 22:15:50,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:50,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1398788504, now seen corresponding path program 1 times [2024-10-31 22:15:50,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:50,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985812563] [2024-10-31 22:15:50,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:50,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:50,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:50,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985812563] [2024-10-31 22:15:50,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985812563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:50,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:50,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:15:50,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006837701] [2024-10-31 22:15:50,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:50,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:15:50,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:50,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:15:50,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:15:51,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 50 [2024-10-31 22:15:51,008 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) [2024-10-31 22:15:51,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:51,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 50 [2024-10-31 22:15:51,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:51,978 INFO L124 PetriNetUnfolderBase]: 2863/4175 cut-off events. [2024-10-31 22:15:51,978 INFO L125 PetriNetUnfolderBase]: For 5022/5022 co-relation queries the response was YES. [2024-10-31 22:15:51,992 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. [2024-10-31 22:15:52,009 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 71 selfloop transitions, 18 changer transitions 1/106 dead transitions. [2024-10-31 22:15:52,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 106 transitions, 536 flow [2024-10-31 22:15:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:15:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 22:15:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 232 transitions. [2024-10-31 22:15:52,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6628571428571428 [2024-10-31 22:15:52,011 INFO L175 Difference]: Start difference. First operand has 64 places, 55 transitions, 238 flow. Second operand 7 states and 232 transitions. [2024-10-31 22:15:52,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 106 transitions, 536 flow [2024-10-31 22:15:52,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 106 transitions, 490 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-10-31 22:15:52,055 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 248 flow [2024-10-31 22:15:52,055 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} [2024-10-31 22:15:52,056 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2024-10-31 22:15:52,056 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 248 flow [2024-10-31 22:15:52,057 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) [2024-10-31 22:15:52,057 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:52,057 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] [2024-10-31 22:15:52,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:15:52,058 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)] === [2024-10-31 22:15:52,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:52,058 INFO L85 PathProgramCache]: Analyzing trace with hash 2052048850, now seen corresponding path program 1 times [2024-10-31 22:15:52,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:52,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043703320] [2024-10-31 22:15:52,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:52,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:54,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:54,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043703320] [2024-10-31 22:15:54,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043703320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:54,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:15:54,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880934695] [2024-10-31 22:15:54,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:54,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:15:54,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:54,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:15:54,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:15:54,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-10-31 22:15:54,694 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) [2024-10-31 22:15:54,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:54,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-10-31 22:15:54,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:15:57,835 INFO L124 PetriNetUnfolderBase]: 11804/18261 cut-off events. [2024-10-31 22:15:57,835 INFO L125 PetriNetUnfolderBase]: For 8305/8688 co-relation queries the response was YES. [2024-10-31 22:15:57,955 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. [2024-10-31 22:15:58,059 INFO L140 encePairwiseOnDemand]: 35/50 looper letters, 115 selfloop transitions, 33 changer transitions 14/188 dead transitions. [2024-10-31 22:15:58,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 188 transitions, 898 flow [2024-10-31 22:15:58,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:15:58,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 22:15:58,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 361 transitions. [2024-10-31 22:15:58,061 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6563636363636364 [2024-10-31 22:15:58,062 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 248 flow. Second operand 11 states and 361 transitions. [2024-10-31 22:15:58,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 188 transitions, 898 flow [2024-10-31 22:15:58,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 188 transitions, 772 flow, removed 32 selfloop flow, removed 10 redundant places. [2024-10-31 22:15:58,849 INFO L231 Difference]: Finished difference. Result has 76 places, 91 transitions, 410 flow [2024-10-31 22:15:58,849 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} [2024-10-31 22:15:58,850 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 18 predicate places. [2024-10-31 22:15:58,850 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 91 transitions, 410 flow [2024-10-31 22:15:58,854 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) [2024-10-31 22:15:58,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:15:58,855 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] [2024-10-31 22:15:58,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:15:58,855 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)] === [2024-10-31 22:15:58,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:58,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1287791540, now seen corresponding path program 2 times [2024-10-31 22:15:58,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:58,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748726843] [2024-10-31 22:15:58,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:58,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:59,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:59,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748726843] [2024-10-31 22:15:59,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748726843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:59,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:59,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:15:59,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661141590] [2024-10-31 22:15:59,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:59,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:15:59,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:59,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:15:59,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:15:59,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 50 [2024-10-31 22:15:59,410 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) [2024-10-31 22:15:59,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:15:59,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 50 [2024-10-31 22:15:59,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:00,576 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]) [2024-10-31 22:16:00,577 INFO L294 olderBase$Statistics]: this new event has 23 ancestors and is cut-off event [2024-10-31 22:16:00,577 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-10-31 22:16:00,577 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-10-31 22:16:00,577 INFO L297 olderBase$Statistics]: existing Event has 23 ancestors and is cut-off event [2024-10-31 22:16:00,882 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]) [2024-10-31 22:16:00,883 INFO L294 olderBase$Statistics]: this new event has 24 ancestors and is cut-off event [2024-10-31 22:16:00,883 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2024-10-31 22:16:00,883 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2024-10-31 22:16:00,883 INFO L297 olderBase$Statistics]: existing Event has 24 ancestors and is cut-off event [2024-10-31 22:16:01,199 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))]) [2024-10-31 22:16:01,199 INFO L294 olderBase$Statistics]: this new event has 25 ancestors and is cut-off event [2024-10-31 22:16:01,199 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2024-10-31 22:16:01,200 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2024-10-31 22:16:01,200 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is cut-off event [2024-10-31 22:16:01,616 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]) [2024-10-31 22:16:01,616 INFO L294 olderBase$Statistics]: this new event has 25 ancestors and is not cut-off event [2024-10-31 22:16:01,616 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is not cut-off event [2024-10-31 22:16:01,617 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is not cut-off event [2024-10-31 22:16:01,617 INFO L297 olderBase$Statistics]: existing Event has 25 ancestors and is not cut-off event [2024-10-31 22:16:01,692 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$tmp_guard0~0 256) 0))]) [2024-10-31 22:16:01,693 INFO L294 olderBase$Statistics]: this new event has 26 ancestors and is cut-off event [2024-10-31 22:16:01,693 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is cut-off event [2024-10-31 22:16:01,693 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is cut-off event [2024-10-31 22:16:01,693 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is cut-off event [2024-10-31 22:16:01,882 INFO L292 olderBase$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]) [2024-10-31 22:16:01,883 INFO L294 olderBase$Statistics]: this new event has 27 ancestors and is cut-off event [2024-10-31 22:16:01,883 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is cut-off event [2024-10-31 22:16:01,883 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is cut-off event [2024-10-31 22:16:01,883 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is cut-off event [2024-10-31 22:16:01,886 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]) [2024-10-31 22:16:01,886 INFO L294 olderBase$Statistics]: this new event has 26 ancestors and is not cut-off event [2024-10-31 22:16:01,886 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is not cut-off event [2024-10-31 22:16:01,886 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is not cut-off event [2024-10-31 22:16:01,886 INFO L297 olderBase$Statistics]: existing Event has 26 ancestors and is not cut-off event [2024-10-31 22:16:02,096 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]) [2024-10-31 22:16:02,097 INFO L294 olderBase$Statistics]: this new event has 27 ancestors and is not cut-off event [2024-10-31 22:16:02,097 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is not cut-off event [2024-10-31 22:16:02,097 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is not cut-off event [2024-10-31 22:16:02,097 INFO L297 olderBase$Statistics]: existing Event has 27 ancestors and is not cut-off event [2024-10-31 22:16:02,111 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))]) [2024-10-31 22:16:02,112 INFO L294 olderBase$Statistics]: this new event has 28 ancestors and is cut-off event [2024-10-31 22:16:02,112 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-31 22:16:02,112 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-31 22:16:02,112 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-31 22:16:02,128 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]) [2024-10-31 22:16:02,128 INFO L294 olderBase$Statistics]: this new event has 28 ancestors and is cut-off event [2024-10-31 22:16:02,128 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-31 22:16:02,128 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-31 22:16:02,129 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is cut-off event [2024-10-31 22:16:02,318 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))]) [2024-10-31 22:16:02,318 INFO L294 olderBase$Statistics]: this new event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,318 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,318 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,318 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,319 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]) [2024-10-31 22:16:02,319 INFO L294 olderBase$Statistics]: this new event has 28 ancestors and is not cut-off event [2024-10-31 22:16:02,319 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-10-31 22:16:02,319 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-10-31 22:16:02,320 INFO L297 olderBase$Statistics]: existing Event has 28 ancestors and is not cut-off event [2024-10-31 22:16:02,338 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))]) [2024-10-31 22:16:02,338 INFO L294 olderBase$Statistics]: this new event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,338 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,338 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,338 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,361 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))]) [2024-10-31 22:16:02,361 INFO L294 olderBase$Statistics]: this new event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,362 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,362 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,362 INFO L297 olderBase$Statistics]: existing Event has 29 ancestors and is cut-off event [2024-10-31 22:16:02,514 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))]) [2024-10-31 22:16:02,515 INFO L294 olderBase$Statistics]: this new event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,515 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,515 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,515 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,538 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$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][105], [59#true, 41#L778true, 63#true, 133#(and (= ~b$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]) [2024-10-31 22:16:02,538 INFO L294 olderBase$Statistics]: this new event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,538 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,538 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,538 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,555 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))]) [2024-10-31 22:16:02,555 INFO L294 olderBase$Statistics]: this new event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,555 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,555 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,555 INFO L297 olderBase$Statistics]: existing Event has 30 ancestors and is cut-off event [2024-10-31 22:16:02,819 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]) [2024-10-31 22:16:02,820 INFO L294 olderBase$Statistics]: this new event has 31 ancestors and is cut-off event [2024-10-31 22:16:02,820 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-31 22:16:02,820 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-31 22:16:02,820 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-31 22:16:02,842 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]) [2024-10-31 22:16:02,843 INFO L294 olderBase$Statistics]: this new event has 31 ancestors and is cut-off event [2024-10-31 22:16:02,843 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-31 22:16:02,843 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-31 22:16:02,843 INFO L297 olderBase$Statistics]: existing Event has 31 ancestors and is cut-off event [2024-10-31 22:16:03,258 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]) [2024-10-31 22:16:03,259 INFO L294 olderBase$Statistics]: this new event has 32 ancestors and is cut-off event [2024-10-31 22:16:03,259 INFO L297 olderBase$Statistics]: existing Event has 32 ancestors and is cut-off event [2024-10-31 22:16:03,259 INFO L297 olderBase$Statistics]: existing Event has 32 ancestors and is cut-off event [2024-10-31 22:16:03,259 INFO L297 olderBase$Statistics]: existing Event has 32 ancestors and is cut-off event [2024-10-31 22:16:03,536 INFO L124 PetriNetUnfolderBase]: 17688/28910 cut-off events. [2024-10-31 22:16:03,536 INFO L125 PetriNetUnfolderBase]: For 26979/28188 co-relation queries the response was YES. [2024-10-31 22:16:03,665 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. [2024-10-31 22:16:03,734 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 59 selfloop transitions, 3 changer transitions 51/154 dead transitions. [2024-10-31 22:16:03,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 154 transitions, 896 flow [2024-10-31 22:16:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:16:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2024-10-31 22:16:03,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2024-10-31 22:16:03,736 INFO L175 Difference]: Start difference. First operand has 76 places, 91 transitions, 410 flow. Second operand 6 states and 190 transitions. [2024-10-31 22:16:03,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 154 transitions, 896 flow [2024-10-31 22:16:03,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 154 transitions, 890 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-10-31 22:16:03,810 INFO L231 Difference]: Finished difference. Result has 81 places, 86 transitions, 407 flow [2024-10-31 22:16:03,811 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} [2024-10-31 22:16:03,811 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 23 predicate places. [2024-10-31 22:16:03,812 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 86 transitions, 407 flow [2024-10-31 22:16:03,812 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) [2024-10-31 22:16:03,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:03,812 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] [2024-10-31 22:16:03,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:16:03,813 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)] === [2024-10-31 22:16:03,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:03,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1400149616, now seen corresponding path program 3 times [2024-10-31 22:16:03,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:03,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954730332] [2024-10-31 22:16:03,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:03,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:04,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:04,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954730332] [2024-10-31 22:16:04,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954730332] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:04,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:04,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:16:04,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715852292] [2024-10-31 22:16:04,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:04,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:04,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:04,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:04,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:16:04,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 50 [2024-10-31 22:16:04,613 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) [2024-10-31 22:16:04,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:04,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 50 [2024-10-31 22:16:04,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand