./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:23:33,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:23:33,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:23:33,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:23:33,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:23:33,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:23:33,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:23:33,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:23:33,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:23:33,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:23:33,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:23:33,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:23:33,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:23:33,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:23:33,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:23:33,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:23:33,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:23:33,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:23:33,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:23:33,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:23:33,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:23:33,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:23:33,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:23:33,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:23:33,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:23:33,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:23:33,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:23:33,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:23:33,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:23:33,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:23:33,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:23:33,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:23:33,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:23:33,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:23:33,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:23:33,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:23:33,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:23:33,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:23:33,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:23:33,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:23:33,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:23:33,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:23:33,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:23:33,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:23:33,181 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:23:33,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:23:33,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:23:33,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:23:33,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:23:33,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:23:33,184 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:23:33,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:23:33,185 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:23:33,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:23:33,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:23:33,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:23:33,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:23:33,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:23:33,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:23:33,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:23:33,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:23:33,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:23:33,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:23:33,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:23:33,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:23:33,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:23:33,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:23:33,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:23:33,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:23:33,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:23:33,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:23:33,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:23:33,190 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:23:33,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:23:33,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:23:33,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c2da3652c054af11b47a99e37d3ddb516e4f65f65f3696b960347af3ebf57e8 [2022-11-16 12:23:33,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:23:33,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:23:33,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:23:33,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:23:33,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:23:33,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2022-11-16 12:23:33,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/data/93a353bc9/3bad850f427f40618590decf5b01cbc5/FLAGcc3c1edd7 [2022-11-16 12:23:34,164 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:23:34,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/sv-benchmarks/c/pthread-wmm/mix046.oepc.i [2022-11-16 12:23:34,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/data/93a353bc9/3bad850f427f40618590decf5b01cbc5/FLAGcc3c1edd7 [2022-11-16 12:23:34,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/data/93a353bc9/3bad850f427f40618590decf5b01cbc5 [2022-11-16 12:23:34,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:23:34,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:23:34,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:23:34,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:23:34,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:23:34,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:23:34" (1/1) ... [2022-11-16 12:23:34,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5560ae11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:34, skipping insertion in model container [2022-11-16 12:23:34,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:23:34" (1/1) ... [2022-11-16 12:23:34,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:23:34,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:23:34,757 WARN L229 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_f77a302d-1c57-41c3-955d-455486312eff/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2022-11-16 12:23:35,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:23:35,074 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:23:35,088 WARN L229 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_f77a302d-1c57-41c3-955d-455486312eff/sv-benchmarks/c/pthread-wmm/mix046.oepc.i[945,958] [2022-11-16 12:23:35,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:23:35,213 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:23:35,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35 WrapperNode [2022-11-16 12:23:35,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:23:35,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:23:35,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:23:35,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:23:35,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,300 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2022-11-16 12:23:35,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:23:35,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:23:35,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:23:35,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:23:35,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,354 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:23:35,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:23:35,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:23:35,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:23:35,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (1/1) ... [2022-11-16 12:23:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:23:35,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:23:35,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:23:35,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f77a302d-1c57-41c3-955d-455486312eff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:23:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:23:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:23:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:23:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:23:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:23:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 12:23:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 12:23:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 12:23:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 12:23:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 12:23:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 12:23:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-16 12:23:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-16 12:23:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:23:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:23:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:23:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:23:35,443 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:23:35,654 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:23:35,656 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:23:36,082 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:23:36,255 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:23:36,256 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:23:36,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:23:36 BoogieIcfgContainer [2022-11-16 12:23:36,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:23:36,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:23:36,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:23:36,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:23:36,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:23:34" (1/3) ... [2022-11-16 12:23:36,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4805f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:23:36, skipping insertion in model container [2022-11-16 12:23:36,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:35" (2/3) ... [2022-11-16 12:23:36,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4805f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:23:36, skipping insertion in model container [2022-11-16 12:23:36,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:23:36" (3/3) ... [2022-11-16 12:23:36,269 INFO L112 eAbstractionObserver]: Analyzing ICFG mix046.oepc.i [2022-11-16 12:23:36,279 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:23:36,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:23:36,290 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-16 12:23:36,290 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:23:36,390 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 12:23:36,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 139 transitions, 298 flow [2022-11-16 12:23:36,521 INFO L130 PetriNetUnfolder]: 2/135 cut-off events. [2022-11-16 12:23:36,522 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:23:36,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 135 events. 2/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2022-11-16 12:23:36,528 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 139 transitions, 298 flow [2022-11-16 12:23:36,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 135 transitions, 282 flow [2022-11-16 12:23:36,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:23:36,555 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65281ac5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:23:36,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-16 12:23:36,568 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2022-11-16 12:23:36,569 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:23:36,570 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:23:36,571 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:23:36,571 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:23:36,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:36,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1369430408, now seen corresponding path program 1 times [2022-11-16 12:23:36,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:36,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576325713] [2022-11-16 12:23:36,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:36,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:37,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:37,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576325713] [2022-11-16 12:23:37,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576325713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:37,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:37,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:23:37,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434863629] [2022-11-16 12:23:37,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:37,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:23:37,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:37,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:23:37,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:23:37,271 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 139 [2022-11-16 12:23:37,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 135 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:37,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:23:37,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 139 [2022-11-16 12:23:37,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:23:37,570 INFO L130 PetriNetUnfolder]: 162/623 cut-off events. [2022-11-16 12:23:37,570 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-11-16 12:23:37,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 623 events. 162/623 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3442 event pairs, 132 based on Foata normal form. 46/627 useless extension candidates. Maximal degree in co-relation 871. Up to 191 conditions per place. [2022-11-16 12:23:37,585 INFO L137 encePairwiseOnDemand]: 134/139 looper letters, 18 selfloop transitions, 2 changer transitions 0/139 dead transitions. [2022-11-16 12:23:37,585 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 139 transitions, 339 flow [2022-11-16 12:23:37,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:23:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:23:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2022-11-16 12:23:37,608 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9448441247002398 [2022-11-16 12:23:37,609 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 394 transitions. [2022-11-16 12:23:37,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 394 transitions. [2022-11-16 12:23:37,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:23:37,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 394 transitions. [2022-11-16 12:23:37,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:37,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:37,638 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:37,640 INFO L175 Difference]: Start difference. First operand has 146 places, 135 transitions, 282 flow. Second operand 3 states and 394 transitions. [2022-11-16 12:23:37,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 139 transitions, 339 flow [2022-11-16 12:23:37,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 139 transitions, 332 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:23:37,649 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 274 flow [2022-11-16 12:23:37,652 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2022-11-16 12:23:37,660 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2022-11-16 12:23:37,661 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 274 flow [2022-11-16 12:23:37,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:37,661 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:23:37,662 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:23:37,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:23:37,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:23:37,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:37,666 INFO L85 PathProgramCache]: Analyzing trace with hash -851342826, now seen corresponding path program 1 times [2022-11-16 12:23:37,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:37,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57108489] [2022-11-16 12:23:37,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:37,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:38,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:38,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57108489] [2022-11-16 12:23:38,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57108489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:38,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:38,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:23:38,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992875161] [2022-11-16 12:23:38,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:38,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:23:38,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:38,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:23:38,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:23:38,225 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 139 [2022-11-16 12:23:38,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 274 flow. Second operand has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:38,226 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:23:38,226 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 139 [2022-11-16 12:23:38,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:23:43,212 INFO L130 PetriNetUnfolder]: 11171/23310 cut-off events. [2022-11-16 12:23:43,212 INFO L131 PetriNetUnfolder]: For 1042/1042 co-relation queries the response was YES. [2022-11-16 12:23:43,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39831 conditions, 23310 events. 11171/23310 cut-off events. For 1042/1042 co-relation queries the response was YES. Maximal size of possible extension queue 1057. Compared 227024 event pairs, 1213 based on Foata normal form. 0/22906 useless extension candidates. Maximal degree in co-relation 39770. Up to 4452 conditions per place. [2022-11-16 12:23:43,373 INFO L137 encePairwiseOnDemand]: 128/139 looper letters, 45 selfloop transitions, 7 changer transitions 119/260 dead transitions. [2022-11-16 12:23:43,373 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 260 transitions, 870 flow [2022-11-16 12:23:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:23:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-16 12:23:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1539 transitions. [2022-11-16 12:23:43,378 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8516878804648589 [2022-11-16 12:23:43,378 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1539 transitions. [2022-11-16 12:23:43,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1539 transitions. [2022-11-16 12:23:43,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:23:43,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1539 transitions. [2022-11-16 12:23:43,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.38461538461539) internal successors, (1539), 13 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:43,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:43,388 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:43,388 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 274 flow. Second operand 13 states and 1539 transitions. [2022-11-16 12:23:43,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 260 transitions, 870 flow [2022-11-16 12:23:43,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 260 transitions, 844 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:23:43,394 INFO L231 Difference]: Finished difference. Result has 164 places, 122 transitions, 342 flow [2022-11-16 12:23:43,395 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=342, PETRI_PLACES=164, PETRI_TRANSITIONS=122} [2022-11-16 12:23:43,396 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 18 predicate places. [2022-11-16 12:23:43,396 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 122 transitions, 342 flow [2022-11-16 12:23:43,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:43,397 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:23:43,397 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:23:43,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:23:43,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:23:43,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:43,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1610114344, now seen corresponding path program 1 times [2022-11-16 12:23:43,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:43,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523644749] [2022-11-16 12:23:43,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:43,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:43,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523644749] [2022-11-16 12:23:43,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523644749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:43,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:43,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:23:43,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833351861] [2022-11-16 12:23:43,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:43,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:23:43,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:43,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:23:43,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:23:43,860 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 139 [2022-11-16 12:23:43,861 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 122 transitions, 342 flow. Second operand has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:43,862 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:23:43,862 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 139 [2022-11-16 12:23:43,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:23:46,499 INFO L130 PetriNetUnfolder]: 6092/10862 cut-off events. [2022-11-16 12:23:46,499 INFO L131 PetriNetUnfolder]: For 19693/20379 co-relation queries the response was YES. [2022-11-16 12:23:46,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31437 conditions, 10862 events. 6092/10862 cut-off events. For 19693/20379 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 85652 event pairs, 2300 based on Foata normal form. 396/10846 useless extension candidates. Maximal degree in co-relation 31368. Up to 5123 conditions per place. [2022-11-16 12:23:46,593 INFO L137 encePairwiseOnDemand]: 132/139 looper letters, 29 selfloop transitions, 4 changer transitions 58/190 dead transitions. [2022-11-16 12:23:46,593 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 190 transitions, 888 flow [2022-11-16 12:23:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:23:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-16 12:23:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1106 transitions. [2022-11-16 12:23:46,597 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8840927258193445 [2022-11-16 12:23:46,597 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1106 transitions. [2022-11-16 12:23:46,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1106 transitions. [2022-11-16 12:23:46,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:23:46,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1106 transitions. [2022-11-16 12:23:46,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 122.88888888888889) internal successors, (1106), 9 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:46,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:46,604 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:46,605 INFO L175 Difference]: Start difference. First operand has 164 places, 122 transitions, 342 flow. Second operand 9 states and 1106 transitions. [2022-11-16 12:23:46,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 190 transitions, 888 flow [2022-11-16 12:23:46,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 190 transitions, 872 flow, removed 7 selfloop flow, removed 4 redundant places. [2022-11-16 12:23:46,747 INFO L231 Difference]: Finished difference. Result has 152 places, 125 transitions, 404 flow [2022-11-16 12:23:46,748 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=404, PETRI_PLACES=152, PETRI_TRANSITIONS=125} [2022-11-16 12:23:46,750 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 6 predicate places. [2022-11-16 12:23:46,750 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 125 transitions, 404 flow [2022-11-16 12:23:46,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:46,751 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:23:46,752 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:23:46,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:23:46,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:23:46,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:46,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1875758229, now seen corresponding path program 1 times [2022-11-16 12:23:46,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:46,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913677515] [2022-11-16 12:23:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:46,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:47,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:47,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913677515] [2022-11-16 12:23:47,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913677515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:47,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:47,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:23:47,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93424564] [2022-11-16 12:23:47,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:47,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:23:47,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:47,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:23:47,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:23:47,075 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2022-11-16 12:23:47,076 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 125 transitions, 404 flow. Second operand has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:47,076 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:23:47,076 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2022-11-16 12:23:47,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:23:48,202 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][139], [220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 29#L876-3true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:48,202 INFO L383 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2022-11-16 12:23:48,202 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-16 12:23:48,202 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-16 12:23:48,202 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-16 12:23:49,017 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, 94#L879true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:49,018 INFO L383 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-11-16 12:23:49,018 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:23:49,018 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:23:49,019 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:23:49,720 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, 91#L880-1true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:49,720 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-16 12:23:49,720 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:23:49,720 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:23:49,721 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:23:50,134 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 73#L2true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:50,134 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-16 12:23:50,134 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:23:50,134 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:23:50,135 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:23:50,403 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [60#L3true, 63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:50,403 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-16 12:23:50,403 INFO L386 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2022-11-16 12:23:50,403 INFO L386 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2022-11-16 12:23:50,403 INFO L386 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2022-11-16 12:23:50,775 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][184], [139#L3-1true, 63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 222#(and (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1))), 193#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:50,776 INFO L383 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2022-11-16 12:23:50,776 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-16 12:23:50,776 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-16 12:23:50,776 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-16 12:23:50,777 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, 27#L2-1true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:50,777 INFO L383 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2022-11-16 12:23:50,777 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-16 12:23:50,777 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-16 12:23:50,777 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-16 12:23:51,165 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([382] L887-->L890: Formula: (= v_~main$tmp_guard1~0_2 (ite (= (ite (not (and (= 2 v_~y~0_4) (= v_~__unbuffered_p3_EBX~0_3 0) (= v_~__unbuffered_p0_EAX~0_3 0) (= 2 v_~z~0_4) (= v_~__unbuffered_p3_EAX~0_3 1))) 1 0) 0) 0 1)) InVars {~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_3, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_3, ~z~0=v_~z~0_4, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_3, ~y~0=v_~y~0_4} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_3, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_3, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_2, ~z~0=v_~z~0_4, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_3, ~y~0=v_~y~0_4} AuxVars[] AssignedVars[~main$tmp_guard1~0][194], [24#L829true, 63#L776true, 157#true, 47#L803true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 53#L890true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:51,165 INFO L383 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2022-11-16 12:23:51,165 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-16 12:23:51,166 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-16 12:23:51,166 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-16 12:23:51,166 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][142], [63#L776true, 157#true, 47#L803true, 131#L887true, P2Thread1of1ForFork0InUse, Black: 208#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), P3Thread1of1ForFork2InUse, Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 196#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 204#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 193#true, 217#true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:51,166 INFO L383 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2022-11-16 12:23:51,166 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-16 12:23:51,166 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-16 12:23:51,167 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-16 12:23:52,154 INFO L130 PetriNetUnfolder]: 18186/30905 cut-off events. [2022-11-16 12:23:52,155 INFO L131 PetriNetUnfolder]: For 33774/36869 co-relation queries the response was YES. [2022-11-16 12:23:52,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73732 conditions, 30905 events. 18186/30905 cut-off events. For 33774/36869 co-relation queries the response was YES. Maximal size of possible extension queue 1942. Compared 269699 event pairs, 1899 based on Foata normal form. 61/28907 useless extension candidates. Maximal degree in co-relation 73658. Up to 9986 conditions per place. [2022-11-16 12:23:52,454 INFO L137 encePairwiseOnDemand]: 128/139 looper letters, 93 selfloop transitions, 20 changer transitions 0/214 dead transitions. [2022-11-16 12:23:52,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 214 transitions, 898 flow [2022-11-16 12:23:52,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:23:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-16 12:23:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1227 transitions. [2022-11-16 12:23:52,459 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8827338129496403 [2022-11-16 12:23:52,459 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1227 transitions. [2022-11-16 12:23:52,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1227 transitions. [2022-11-16 12:23:52,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:23:52,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1227 transitions. [2022-11-16 12:23:52,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 122.7) internal successors, (1227), 10 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:52,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:52,468 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:52,468 INFO L175 Difference]: Start difference. First operand has 152 places, 125 transitions, 404 flow. Second operand 10 states and 1227 transitions. [2022-11-16 12:23:52,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 214 transitions, 898 flow [2022-11-16 12:23:52,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 214 transitions, 882 flow, removed 6 selfloop flow, removed 4 redundant places. [2022-11-16 12:23:52,519 INFO L231 Difference]: Finished difference. Result has 157 places, 143 transitions, 531 flow [2022-11-16 12:23:52,520 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=531, PETRI_PLACES=157, PETRI_TRANSITIONS=143} [2022-11-16 12:23:52,521 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 11 predicate places. [2022-11-16 12:23:52,521 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 143 transitions, 531 flow [2022-11-16 12:23:52,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:52,522 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:23:52,522 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:23:52,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:23:52,522 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:23:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:52,523 INFO L85 PathProgramCache]: Analyzing trace with hash -829500801, now seen corresponding path program 1 times [2022-11-16 12:23:52,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:52,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721876283] [2022-11-16 12:23:52,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:52,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:52,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:52,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721876283] [2022-11-16 12:23:52,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721876283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:52,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:52,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:23:52,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334334139] [2022-11-16 12:23:52,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:52,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:23:52,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:52,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:23:52,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:23:52,923 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 139 [2022-11-16 12:23:52,925 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 143 transitions, 531 flow. Second operand has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:52,925 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:23:52,925 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 139 [2022-11-16 12:23:52,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:23:57,905 INFO L130 PetriNetUnfolder]: 9883/24291 cut-off events. [2022-11-16 12:23:57,905 INFO L131 PetriNetUnfolder]: For 41365/44695 co-relation queries the response was YES. [2022-11-16 12:23:58,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68603 conditions, 24291 events. 9883/24291 cut-off events. For 41365/44695 co-relation queries the response was YES. Maximal size of possible extension queue 1448. Compared 280524 event pairs, 2046 based on Foata normal form. 568/23342 useless extension candidates. Maximal degree in co-relation 68520. Up to 3992 conditions per place. [2022-11-16 12:23:58,141 INFO L137 encePairwiseOnDemand]: 127/139 looper letters, 127 selfloop transitions, 36 changer transitions 0/270 dead transitions. [2022-11-16 12:23:58,141 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 270 transitions, 1489 flow [2022-11-16 12:23:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:23:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-16 12:23:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1528 transitions. [2022-11-16 12:23:58,144 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8456004427227449 [2022-11-16 12:23:58,145 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1528 transitions. [2022-11-16 12:23:58,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1528 transitions. [2022-11-16 12:23:58,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:23:58,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1528 transitions. [2022-11-16 12:23:58,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.53846153846153) internal successors, (1528), 13 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:58,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:58,153 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:58,153 INFO L175 Difference]: Start difference. First operand has 157 places, 143 transitions, 531 flow. Second operand 13 states and 1528 transitions. [2022-11-16 12:23:58,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 270 transitions, 1489 flow [2022-11-16 12:23:58,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 270 transitions, 1479 flow, removed 4 selfloop flow, removed 1 redundant places. [2022-11-16 12:23:58,307 INFO L231 Difference]: Finished difference. Result has 180 places, 172 transitions, 958 flow [2022-11-16 12:23:58,307 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=958, PETRI_PLACES=180, PETRI_TRANSITIONS=172} [2022-11-16 12:23:58,309 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 34 predicate places. [2022-11-16 12:23:58,309 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 172 transitions, 958 flow [2022-11-16 12:23:58,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:58,310 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:23:58,310 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:23:58,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:23:58,310 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:23:58,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:23:58,312 INFO L85 PathProgramCache]: Analyzing trace with hash -139327684, now seen corresponding path program 1 times [2022-11-16 12:23:58,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:23:58,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625396009] [2022-11-16 12:23:58,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:23:58,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:23:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:23:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:23:58,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:23:58,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625396009] [2022-11-16 12:23:58,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625396009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:23:58,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:23:58,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:23:58,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028480732] [2022-11-16 12:23:58,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:23:58,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:23:58,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:23:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:23:58,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:23:58,594 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2022-11-16 12:23:58,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 172 transitions, 958 flow. Second operand has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:23:58,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:23:58,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2022-11-16 12:23:58,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:23:59,775 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][157], [220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 29#L876-3true, 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:23:59,775 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-16 12:23:59,775 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-16 12:23:59,776 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-16 12:23:59,776 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-16 12:24:01,622 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][157], [240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 94#L879true, Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:01,622 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is not cut-off event [2022-11-16 12:24:01,623 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-16 12:24:01,623 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-16 12:24:01,623 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-16 12:24:01,624 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][171], [240#true, 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, 91#L880-1true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:01,624 INFO L383 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-11-16 12:24:01,624 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:24:01,624 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:24:01,624 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:24:02,788 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][171], [240#true, 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 73#L2true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:02,788 INFO L383 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-11-16 12:24:02,789 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-16 12:24:02,789 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-16 12:24:02,789 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-16 12:24:03,541 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][187], [60#L3true, 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:03,541 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-16 12:24:03,541 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:24:03,541 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:24:03,541 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:24:04,491 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][187], [139#L3-1true, 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P1Thread1of1ForFork3InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 222#(and (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1))), Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:04,492 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-16 12:24:04,492 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:24:04,492 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:24:04,492 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:24:07,848 INFO L130 PetriNetUnfolder]: 28269/50085 cut-off events. [2022-11-16 12:24:07,848 INFO L131 PetriNetUnfolder]: For 116127/125565 co-relation queries the response was YES. [2022-11-16 12:24:08,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159571 conditions, 50085 events. 28269/50085 cut-off events. For 116127/125565 co-relation queries the response was YES. Maximal size of possible extension queue 3261. Compared 495556 event pairs, 1720 based on Foata normal form. 1190/49512 useless extension candidates. Maximal degree in co-relation 159479. Up to 10216 conditions per place. [2022-11-16 12:24:08,329 INFO L137 encePairwiseOnDemand]: 128/139 looper letters, 129 selfloop transitions, 38 changer transitions 9/299 dead transitions. [2022-11-16 12:24:08,330 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 299 transitions, 2044 flow [2022-11-16 12:24:08,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:24:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-11-16 12:24:08,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1600 transitions. [2022-11-16 12:24:08,340 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8854454897620365 [2022-11-16 12:24:08,341 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1600 transitions. [2022-11-16 12:24:08,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1600 transitions. [2022-11-16 12:24:08,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:08,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1600 transitions. [2022-11-16 12:24:08,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.07692307692308) internal successors, (1600), 13 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:08,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:08,353 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:08,353 INFO L175 Difference]: Start difference. First operand has 180 places, 172 transitions, 958 flow. Second operand 13 states and 1600 transitions. [2022-11-16 12:24:08,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 299 transitions, 2044 flow [2022-11-16 12:24:10,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 299 transitions, 1990 flow, removed 27 selfloop flow, removed 0 redundant places. [2022-11-16 12:24:10,319 INFO L231 Difference]: Finished difference. Result has 198 places, 186 transitions, 1137 flow [2022-11-16 12:24:10,320 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1137, PETRI_PLACES=198, PETRI_TRANSITIONS=186} [2022-11-16 12:24:10,321 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 52 predicate places. [2022-11-16 12:24:10,321 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 186 transitions, 1137 flow [2022-11-16 12:24:10,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:10,322 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:10,322 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:10,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:24:10,322 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:24:10,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:10,323 INFO L85 PathProgramCache]: Analyzing trace with hash 895403552, now seen corresponding path program 1 times [2022-11-16 12:24:10,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:10,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860374606] [2022-11-16 12:24:10,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:10,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:10,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:10,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860374606] [2022-11-16 12:24:10,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860374606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:10,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:10,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:24:10,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250131213] [2022-11-16 12:24:10,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:10,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:24:10,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:10,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:24:10,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:24:10,805 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2022-11-16 12:24:10,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 186 transitions, 1137 flow. Second operand has 8 states, 8 states have (on average 114.125) internal successors, (913), 8 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:10,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:10,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2022-11-16 12:24:10,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:12,030 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][158], [220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P2Thread1of1ForFork0InUse, Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), 317#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P3Thread1of1ForFork2InUse, Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, 7#L796true, 29#L876-3true, 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 115#L766true, Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:12,030 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-16 12:24:12,030 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-16 12:24:12,030 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-16 12:24:12,030 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-16 12:24:13,501 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][158], [240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 94#L879true, Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), 317#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:13,502 INFO L383 tUnfolder$Statistics]: this new event has 87 ancestors and is not cut-off event [2022-11-16 12:24:13,502 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-16 12:24:13,502 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-16 12:24:13,502 INFO L386 tUnfolder$Statistics]: existing Event has 87 ancestors and is not cut-off event [2022-11-16 12:24:13,502 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][172], [240#true, 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, 91#L880-1true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 325#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:13,502 INFO L383 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-11-16 12:24:13,503 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:24:13,503 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:24:13,503 INFO L386 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-11-16 12:24:14,991 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][172], [240#true, 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 73#L2true, Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 325#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:14,992 INFO L383 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-11-16 12:24:14,992 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-16 12:24:14,992 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-16 12:24:14,992 INFO L386 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-11-16 12:24:15,825 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][188], [60#L3true, 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 252#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork0InUse, Black: 256#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P3Thread1of1ForFork2InUse, Black: 258#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 327#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 220#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 224#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 226#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 298#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:15,825 INFO L383 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-11-16 12:24:15,825 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:24:15,825 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:24:15,825 INFO L386 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-11-16 12:24:16,814 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([423] L829-->L845: Formula: (let ((.cse11 (= (mod v_~b$r_buff1_thd4~0_56 256) 0)) (.cse8 (= (mod v_~b$r_buff0_thd4~0_60 256) 0))) (let ((.cse9 (not .cse8)) (.cse1 (and .cse11 .cse8)) (.cse2 (and (= (mod v_~b$w_buff1_used~0_133 256) 0) .cse8)) (.cse12 (= 0 (mod v_~b$w_buff0_used~0_144 256)))) (let ((.cse5 (or .cse1 .cse2 .cse12)) (.cse6 (and .cse9 (not .cse12)))) (let ((.cse7 (= (mod v_~b$w_buff1_used~0_132 256) 0)) (.cse3 (= (mod v_~b$w_buff0_used~0_143 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse4 (ite .cse5 v_~b~0_85 (ite .cse6 v_~b$w_buff0~0_65 v_~b$w_buff1~0_58)))) (and (= v_~b$w_buff0~0_65 v_~b$w_buff0~0_64) (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= (ite .cse0 v_~b$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~b$w_buff1_used~0_133 0)) v_~b$w_buff1_used~0_132) (= v_~b$mem_tmp~0_14 v_~b~0_85) (= v_~b$w_buff1~0_58 v_~b$w_buff1~0_57) (= .cse4 v_~__unbuffered_p3_EBX~0_10) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_7) (= (ite .cse0 v_~b$w_buff0_used~0_144 (ite .cse5 v_~b$w_buff0_used~0_144 (ite .cse6 0 v_~b$w_buff0_used~0_144))) v_~b$w_buff0_used~0_143) (= (ite .cse0 v_~b$r_buff0_thd4~0_60 (ite (or .cse1 (and .cse7 .cse8) .cse3) v_~b$r_buff0_thd4~0_60 (ite (and .cse9 (not .cse3)) 0 v_~b$r_buff0_thd4~0_60))) v_~b$r_buff0_thd4~0_59) (= v_~b$r_buff1_thd4~0_55 (ite .cse0 v_~b$r_buff1_thd4~0_56 (ite (let ((.cse10 (= (mod v_~b$r_buff0_thd4~0_59 256) 0))) (or (and .cse7 .cse10) .cse3 (and .cse11 .cse10))) v_~b$r_buff1_thd4~0_56 0))) (= v_~b$flush_delayed~0_21 0) (= v_~b~0_84 (ite .cse0 v_~b$mem_tmp~0_14 .cse4))))))) InVars {~b$w_buff0_used~0=v_~b$w_buff0_used~0_144, P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~b~0=v_~b~0_85, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_133, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_56, ~b$w_buff1~0=v_~b$w_buff1~0_58, ~b$w_buff0~0=v_~b$w_buff0~0_65, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_60, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~b$mem_tmp~0=v_~b$mem_tmp~0_14, ~b$flush_delayed~0=v_~b$flush_delayed~0_21, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~b$w_buff0_used~0=v_~b$w_buff0_used~0_143, ~weak$$choice0~0=v_~weak$$choice0~0_7, ~b~0=v_~b~0_84, ~b$w_buff1_used~0=v_~b$w_buff1_used~0_132, ~b$r_buff1_thd4~0=v_~b$r_buff1_thd4~0_55, ~b$w_buff1~0=v_~b$w_buff1~0_57, ~b$w_buff0~0=v_~b$w_buff0~0_64, ~weak$$choice2~0=v_~weak$$choice2~0_28, ~b$r_buff0_thd4~0=v_~b$r_buff0_thd4~0_59} AuxVars[] AssignedVars[~b$mem_tmp~0, ~b$flush_delayed~0, ~__unbuffered_p3_EBX~0, ~b$w_buff0_used~0, P3Thread1of1ForFork2_#t~nondet4, ~weak$$choice0~0, ~b~0, ~b$w_buff1_used~0, ~b$r_buff1_thd4~0, ~b$w_buff1~0, ~b$w_buff0~0, ~weak$$choice2~0, ~b$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet3][188], [139#L3-1true, 240#true, Black: 260#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 157#true, Black: 248#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y~0 1)), 47#L803true, Black: 262#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 243#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 250#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 244#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 242#(= ~y~0 1), Black: 254#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not 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|ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|)) (= ~y~0 1)), Black: 200#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 195#(= ~y~0 0), P1Thread1of1ForFork3InUse, Black: 206#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P0Thread1of1ForFork1InUse, Black: 202#(and (<= 1 ~main$tmp_guard1~0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 7#L796true, 327#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 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Black: 228#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 292#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 217#true, Black: 232#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 286#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#true, 115#L766true, Black: 280#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 171#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 177#(and (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 179#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 161#(and (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), 294#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 76#L845true, Black: 160#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))), Black: 175#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 173#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~z~0))) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 159#(= ~__unbuffered_p3_EAX~0 0)]) [2022-11-16 12:24:16,814 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-16 12:24:16,814 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:24:16,814 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:24:16,814 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 12:24:19,942 INFO L130 PetriNetUnfolder]: 27188/48337 cut-off events. [2022-11-16 12:24:19,942 INFO L131 PetriNetUnfolder]: For 182846/192144 co-relation queries the response was YES. [2022-11-16 12:24:20,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182819 conditions, 48337 events. 27188/48337 cut-off events. For 182846/192144 co-relation queries the response was YES. Maximal size of possible extension queue 3238. Compared 484066 event pairs, 1631 based on Foata normal form. 775/47368 useless extension candidates. Maximal degree in co-relation 182718. Up to 9840 conditions per place. [2022-11-16 12:24:20,813 INFO L137 encePairwiseOnDemand]: 128/139 looper letters, 126 selfloop transitions, 58 changer transitions 50/344 dead transitions. [2022-11-16 12:24:20,814 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 344 transitions, 2681 flow [2022-11-16 12:24:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 12:24:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-11-16 12:24:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1972 transitions. [2022-11-16 12:24:20,820 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8866906474820144 [2022-11-16 12:24:20,820 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1972 transitions. [2022-11-16 12:24:20,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1972 transitions. [2022-11-16 12:24:20,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:20,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1972 transitions. [2022-11-16 12:24:20,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 123.25) internal successors, (1972), 16 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:20,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 139.0) internal successors, (2363), 17 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:20,833 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 139.0) internal successors, (2363), 17 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:20,833 INFO L175 Difference]: Start difference. First operand has 198 places, 186 transitions, 1137 flow. Second operand 16 states and 1972 transitions. [2022-11-16 12:24:20,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 344 transitions, 2681 flow [2022-11-16 12:24:35,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 344 transitions, 2564 flow, removed 49 selfloop flow, removed 4 redundant places. [2022-11-16 12:24:35,844 INFO L231 Difference]: Finished difference. Result has 213 places, 199 transitions, 1367 flow [2022-11-16 12:24:35,844 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=1028, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1367, PETRI_PLACES=213, PETRI_TRANSITIONS=199} [2022-11-16 12:24:35,845 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, 67 predicate places. [2022-11-16 12:24:35,845 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 199 transitions, 1367 flow [2022-11-16 12:24:35,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 114.125) internal successors, (913), 8 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:35,846 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:35,846 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:35,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:24:35,846 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:24:35,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:35,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1105626351, now seen corresponding path program 1 times [2022-11-16 12:24:35,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:35,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329064930] [2022-11-16 12:24:35,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:35,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:36,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:36,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329064930] [2022-11-16 12:24:36,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329064930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:36,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:36,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:24:36,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845137870] [2022-11-16 12:24:36,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:36,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:24:36,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:36,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:24:36,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:24:36,693 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 139 [2022-11-16 12:24:36,694 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 199 transitions, 1367 flow. Second operand has 9 states, 9 states have (on average 105.33333333333333) internal successors, (948), 9 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:36,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:36,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 139 [2022-11-16 12:24:36,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand