/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_REDUNDANT_FLOW -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 11:57:05,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 11:57:05,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 11:57:05,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 11:57:05,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 11:57:05,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 11:57:05,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 11:57:05,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 11:57:05,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 11:57:05,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 11:57:05,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 11:57:05,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 11:57:05,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 11:57:05,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 11:57:05,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 11:57:05,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 11:57:05,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 11:57:05,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 11:57:05,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 11:57:05,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 11:57:05,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 11:57:05,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 11:57:05,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 11:57:05,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 11:57:05,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 11:57:05,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 11:57:05,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 11:57:05,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 11:57:05,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 11:57:05,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 11:57:05,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 11:57:05,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 11:57:05,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 11:57:05,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 11:57:05,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 11:57:05,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 11:57:05,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 11:57:05,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 11:57:05,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 11:57:05,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 11:57:05,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 11:57:05,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-12 11:57:05,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 11:57:05,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 11:57:05,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 11:57:05,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 11:57:05,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 11:57:05,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 11:57:05,148 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 11:57:05,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 11:57:05,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 11:57:05,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 11:57:05,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 11:57:05,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 11:57:05,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 11:57:05,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 11:57:05,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 11:57:05,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 11:57:05,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 11:57:05,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 11:57:05,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 11:57:05,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 11:57:05,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 11:57:05,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 11:57:05,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 11:57:05,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 11:57:05,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 11:57:05,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 11:57:05,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 11:57:05,151 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-12 11:57:05,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 11:57:05,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 11:57:05,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 11:57:05,151 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_REDUNDANT_FLOW [2022-12-12 11:57:05,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 11:57:05,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 11:57:05,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 11:57:05,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 11:57:05,416 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 11:57:05,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i [2022-12-12 11:57:06,456 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 11:57:06,702 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 11:57:06,703 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i [2022-12-12 11:57:06,714 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8aea1d81/a6943ac315414f628582b3aa021fbfe3/FLAG4fe1cb0b3 [2022-12-12 11:57:06,726 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8aea1d81/a6943ac315414f628582b3aa021fbfe3 [2022-12-12 11:57:06,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 11:57:06,729 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 11:57:06,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 11:57:06,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 11:57:06,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 11:57:06,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 11:57:06" (1/1) ... [2022-12-12 11:57:06,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698c5213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:06, skipping insertion in model container [2022-12-12 11:57:06,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 11:57:06" (1/1) ... [2022-12-12 11:57:06,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 11:57:06,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 11:57:06,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-12 11:57:06,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:06,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:06,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:06,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:06,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:06,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:06,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:06,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:06,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:06,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:06,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:06,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:06,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:06,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:06,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:06,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 11:57:07,034 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 11:57:07,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-12-12 11:57:07,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:57:07,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:57:07,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 11:57:07,127 INFO L208 MainTranslator]: Completed translation [2022-12-12 11:57:07,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07 WrapperNode [2022-12-12 11:57:07,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 11:57:07,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 11:57:07,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 11:57:07,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 11:57:07,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,164 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2022-12-12 11:57:07,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 11:57:07,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 11:57:07,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 11:57:07,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 11:57:07,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,195 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 11:57:07,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 11:57:07,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 11:57:07,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 11:57:07,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (1/1) ... [2022-12-12 11:57:07,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 11:57:07,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 11:57:07,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-12 11:57:07,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-12 11:57:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 11:57:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 11:57:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 11:57:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 11:57:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 11:57:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-12 11:57:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-12 11:57:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-12 11:57:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-12 11:57:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-12 11:57:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-12 11:57:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 11:57:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 11:57:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 11:57:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 11:57:07,300 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 11:57:07,398 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 11:57:07,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 11:57:07,709 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 11:57:07,804 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 11:57:07,805 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 11:57:07,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 11:57:07 BoogieIcfgContainer [2022-12-12 11:57:07,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 11:57:07,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 11:57:07,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 11:57:07,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 11:57:07,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 11:57:06" (1/3) ... [2022-12-12 11:57:07,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdb63b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 11:57:07, skipping insertion in model container [2022-12-12 11:57:07,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:57:07" (2/3) ... [2022-12-12 11:57:07,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdb63b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 11:57:07, skipping insertion in model container [2022-12-12 11:57:07,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 11:57:07" (3/3) ... [2022-12-12 11:57:07,812 INFO L112 eAbstractionObserver]: Analyzing ICFG mix056_power.oepc_pso.oepc_rmo.oepc.i [2022-12-12 11:57:07,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 11:57:07,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 11:57:07,825 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 11:57:07,857 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-12 11:57:07,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 229 flow [2022-12-12 11:57:07,928 INFO L130 PetriNetUnfolder]: 2/104 cut-off events. [2022-12-12 11:57:07,929 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 11:57:07,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 104 events. 2/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2022-12-12 11:57:07,933 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 107 transitions, 229 flow [2022-12-12 11:57:07,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 104 transitions, 217 flow [2022-12-12 11:57:07,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 11:57:07,958 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=false, 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;@4405b7cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 11:57:07,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-12 11:57:07,971 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-12-12 11:57:07,972 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 11:57:07,972 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:07,973 INFO L214 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] [2022-12-12 11:57:07,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:07,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:07,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1840646246, now seen corresponding path program 1 times [2022-12-12 11:57:07,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:07,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137570111] [2022-12-12 11:57:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:57:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:57:08,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:57:08,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137570111] [2022-12-12 11:57:08,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137570111] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:57:08,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:57:08,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 11:57:08,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016425524] [2022-12-12 11:57:08,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:57:08,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 11:57:08,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:57:08,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 11:57:08,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 11:57:08,425 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 107 [2022-12-12 11:57:08,428 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 104 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2022-12-12 11:57:08,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:57:08,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 107 [2022-12-12 11:57:08,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:57:08,574 INFO L130 PetriNetUnfolder]: 58/268 cut-off events. [2022-12-12 11:57:08,574 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-12 11:57:08,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 268 events. 58/268 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1098 event pairs, 10 based on Foata normal form. 22/272 useless extension candidates. Maximal degree in co-relation 349. Up to 79 conditions per place. [2022-12-12 11:57:08,579 INFO L137 encePairwiseOnDemand]: 102/107 looper letters, 14 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2022-12-12 11:57:08,579 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 106 transitions, 259 flow [2022-12-12 11:57:08,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 11:57:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 11:57:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 300 transitions. [2022-12-12 11:57:08,590 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9345794392523364 [2022-12-12 11:57:08,594 INFO L295 CegarLoopForPetriNet]: 112 programPoint places, 0 predicate places. [2022-12-12 11:57:08,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 106 transitions, 259 flow [2022-12-12 11:57:08,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 106 transitions, 252 flow, removed 1 selfloop flow, removed 3 redundant places. [2022-12-12 11:57:08,598 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 252 flow [2022-12-12 11:57:08,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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) [2022-12-12 11:57:08,599 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:08,599 INFO L214 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] [2022-12-12 11:57:08,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 11:57:08,600 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:08,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:08,602 INFO L85 PathProgramCache]: Analyzing trace with hash -326884727, now seen corresponding path program 1 times [2022-12-12 11:57:08,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:08,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300014680] [2022-12-12 11:57:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:08,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:57:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:57:09,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:57:09,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300014680] [2022-12-12 11:57:09,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300014680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:57:09,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:57:09,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 11:57:09,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103455526] [2022-12-12 11:57:09,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:57:09,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 11:57:09,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:57:09,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 11:57:09,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 11:57:09,034 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 107 [2022-12-12 11:57:09,035 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 252 flow. Second operand has 7 states, 7 states have (on average 81.85714285714286) internal successors, (573), 7 states have internal predecessors, (573), 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) [2022-12-12 11:57:09,035 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:57:09,035 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 107 [2022-12-12 11:57:09,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:57:09,986 INFO L130 PetriNetUnfolder]: 2476/5880 cut-off events. [2022-12-12 11:57:09,987 INFO L131 PetriNetUnfolder]: For 1311/2771 co-relation queries the response was YES. [2022-12-12 11:57:10,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11460 conditions, 5880 events. 2476/5880 cut-off events. For 1311/2771 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 50690 event pairs, 293 based on Foata normal form. 1/5686 useless extension candidates. Maximal degree in co-relation 11410. Up to 1536 conditions per place. [2022-12-12 11:57:10,014 INFO L137 encePairwiseOnDemand]: 97/107 looper letters, 52 selfloop transitions, 9 changer transitions 121/250 dead transitions. [2022-12-12 11:57:10,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 250 transitions, 1066 flow [2022-12-12 11:57:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-12 11:57:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-12 11:57:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1177 transitions. [2022-12-12 11:57:10,021 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2022-12-12 11:57:10,022 INFO L295 CegarLoopForPetriNet]: 112 programPoint places, 9 predicate places. [2022-12-12 11:57:10,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 250 transitions, 1066 flow [2022-12-12 11:57:10,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 250 transitions, 1058 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-12-12 11:57:10,035 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 250 transitions, 1058 flow [2022-12-12 11:57:10,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 81.85714285714286) internal successors, (573), 7 states have internal predecessors, (573), 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) [2022-12-12 11:57:10,035 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:10,036 INFO L214 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] [2022-12-12 11:57:10,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 11:57:10,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:10,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:10,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1930665734, now seen corresponding path program 1 times [2022-12-12 11:57:10,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:10,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954301833] [2022-12-12 11:57:10,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:10,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:57:10,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:57:10,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:57:10,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954301833] [2022-12-12 11:57:10,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954301833] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:57:10,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:57:10,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 11:57:10,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800442544] [2022-12-12 11:57:10,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:57:10,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 11:57:10,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:57:10,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 11:57:10,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 11:57:10,243 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 107 [2022-12-12 11:57:10,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 250 transitions, 1058 flow. Second operand has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 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) [2022-12-12 11:57:10,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:57:10,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 107 [2022-12-12 11:57:10,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:57:11,326 INFO L130 PetriNetUnfolder]: 3737/9332 cut-off events. [2022-12-12 11:57:11,326 INFO L131 PetriNetUnfolder]: For 2180/5593 co-relation queries the response was YES. [2022-12-12 11:57:11,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23544 conditions, 9332 events. 3737/9332 cut-off events. For 2180/5593 co-relation queries the response was YES. Maximal size of possible extension queue 558. Compared 91292 event pairs, 207 based on Foata normal form. 29/9188 useless extension candidates. Maximal degree in co-relation 23492. Up to 2391 conditions per place. [2022-12-12 11:57:11,357 INFO L137 encePairwiseOnDemand]: 96/107 looper letters, 64 selfloop transitions, 14 changer transitions 371/517 dead transitions. [2022-12-12 11:57:11,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 517 transitions, 3292 flow [2022-12-12 11:57:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-12 11:57:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-12 11:57:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1171 transitions. [2022-12-12 11:57:11,360 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8418404025880661 [2022-12-12 11:57:11,363 INFO L295 CegarLoopForPetriNet]: 112 programPoint places, 21 predicate places. [2022-12-12 11:57:11,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 517 transitions, 3292 flow [2022-12-12 11:57:11,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 517 transitions, 3286 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-12-12 11:57:11,373 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 517 transitions, 3286 flow [2022-12-12 11:57:11,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 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) [2022-12-12 11:57:11,374 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:11,374 INFO L214 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] [2022-12-12 11:57:11,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 11:57:11,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:11,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:11,374 INFO L85 PathProgramCache]: Analyzing trace with hash -240363157, now seen corresponding path program 1 times [2022-12-12 11:57:11,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:11,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208168237] [2022-12-12 11:57:11,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:11,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:57:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:57:11,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:57:11,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208168237] [2022-12-12 11:57:11,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208168237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:57:11,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:57:11,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 11:57:11,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964690928] [2022-12-12 11:57:11,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:57:11,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 11:57:11,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:57:11,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 11:57:11,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 11:57:11,538 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 107 [2022-12-12 11:57:11,538 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 517 transitions, 3286 flow. Second operand has 6 states, 6 states have (on average 84.83333333333333) internal successors, (509), 6 states have internal predecessors, (509), 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) [2022-12-12 11:57:11,538 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:57:11,538 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 107 [2022-12-12 11:57:11,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:57:12,029 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][173], [P1Thread1of1ForFork0InUse, 51#L3true, P2Thread1of1ForFork1InUse, 24#L807true, P0Thread1of1ForFork2InUse, 41#L774true, 46#L751true, 118#true, 144#true, 121#true, 178#(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))]) [2022-12-12 11:57:12,029 INFO L382 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-12-12 11:57:12,029 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:12,029 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:12,029 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:12,030 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][175], [P1Thread1of1ForFork0InUse, 51#L3true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 46#L751true, 118#true, 178#(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))]) [2022-12-12 11:57:12,030 INFO L382 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-12-12 11:57:12,030 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:12,030 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:12,030 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:12,129 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([325] L754-->L761: Formula: (let ((.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_145 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_31 256) 0)))) (let ((.cse1 (and .cse2 .cse5)) (.cse0 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_125 256) 0)))) (.cse4 (and (not (= (mod v_~z$w_buff0_used~0_146 256) 0)) .cse5))) (and (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_125) v_~z$w_buff1_used~0_124) (= v_~z$r_buff0_thd1~0_30 (ite .cse1 0 v_~z$r_buff0_thd1~0_31)) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd1~0_30 256) 0)) .cse2) (and (not (= (mod v_~z$w_buff1_used~0_124 256) 0)) .cse3)) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_88 (ite .cse4 v_~z$w_buff0~0_61 (ite .cse0 v_~z$w_buff1~0_74 v_~z~0_89))) (= v_~z$w_buff0_used~0_145 (ite .cse4 0 v_~z$w_buff0_used~0_146))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_146, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_125, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_89, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_31} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_145, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_124, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_88, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_30} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][176], [P1Thread1of1ForFork0InUse, 51#L3true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 85#L761true, 41#L774true, 70#L791true, 118#true, 178#(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))]) [2022-12-12 11:57:12,130 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,130 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,130 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,130 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,130 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][173], [P1Thread1of1ForFork0InUse, 34#L754true, 51#L3true, P2Thread1of1ForFork1InUse, 24#L807true, P0Thread1of1ForFork2InUse, 41#L774true, 118#true, 144#true, 121#true, 178#(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))]) [2022-12-12 11:57:12,130 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,130 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,131 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,131 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,131 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][175], [P1Thread1of1ForFork0InUse, 34#L754true, 51#L3true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 118#true, 178#(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))]) [2022-12-12 11:57:12,131 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,131 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,131 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,131 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,133 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][173], [P1Thread1of1ForFork0InUse, P2Thread1of1ForFork1InUse, 24#L807true, 106#L3-1true, P0Thread1of1ForFork2InUse, 41#L774true, 46#L751true, 118#true, 144#true, 121#true, 178#(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))]) [2022-12-12 11:57:12,133 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,133 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,133 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,133 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,133 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][175], [P1Thread1of1ForFork0InUse, P2Thread1of1ForFork1InUse, 106#L3-1true, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 46#L751true, 118#true, 178#(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))]) [2022-12-12 11:57:12,133 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,133 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,133 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,133 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:12,197 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([325] L754-->L761: Formula: (let ((.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_145 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_31 256) 0)))) (let ((.cse1 (and .cse2 .cse5)) (.cse0 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_125 256) 0)))) (.cse4 (and (not (= (mod v_~z$w_buff0_used~0_146 256) 0)) .cse5))) (and (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_125) v_~z$w_buff1_used~0_124) (= v_~z$r_buff0_thd1~0_30 (ite .cse1 0 v_~z$r_buff0_thd1~0_31)) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd1~0_30 256) 0)) .cse2) (and (not (= (mod v_~z$w_buff1_used~0_124 256) 0)) .cse3)) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_88 (ite .cse4 v_~z$w_buff0~0_61 (ite .cse0 v_~z$w_buff1~0_74 v_~z~0_89))) (= v_~z$w_buff0_used~0_145 (ite .cse4 0 v_~z$w_buff0_used~0_146))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_146, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_125, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_89, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_31} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_145, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_124, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_88, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_30} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][176], [P1Thread1of1ForFork0InUse, P2Thread1of1ForFork1InUse, 106#L3-1true, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 85#L761true, 41#L774true, 70#L791true, 118#true, 178#(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))]) [2022-12-12 11:57:12,197 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,197 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,197 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,197 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,197 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][173], [P1Thread1of1ForFork0InUse, 34#L754true, P2Thread1of1ForFork1InUse, 106#L3-1true, 24#L807true, P0Thread1of1ForFork2InUse, 41#L774true, 118#true, 144#true, 121#true, 178#(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))]) [2022-12-12 11:57:12,197 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,198 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,198 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,198 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,198 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][175], [P1Thread1of1ForFork0InUse, 34#L754true, P2Thread1of1ForFork1InUse, 106#L3-1true, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 118#true, 178#(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))]) [2022-12-12 11:57:12,198 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,198 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,198 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,198 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:12,769 INFO L130 PetriNetUnfolder]: 4978/10822 cut-off events. [2022-12-12 11:57:12,769 INFO L131 PetriNetUnfolder]: For 17564/20794 co-relation queries the response was YES. [2022-12-12 11:57:12,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31661 conditions, 10822 events. 4978/10822 cut-off events. For 17564/20794 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 95890 event pairs, 118 based on Foata normal form. 254/10666 useless extension candidates. Maximal degree in co-relation 31608. Up to 3350 conditions per place. [2022-12-12 11:57:12,820 INFO L137 encePairwiseOnDemand]: 97/107 looper letters, 165 selfloop transitions, 17 changer transitions 186/521 dead transitions. [2022-12-12 11:57:12,820 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 521 transitions, 3870 flow [2022-12-12 11:57:12,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-12 11:57:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-12 11:57:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 919 transitions. [2022-12-12 11:57:12,823 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8588785046728972 [2022-12-12 11:57:12,824 INFO L295 CegarLoopForPetriNet]: 112 programPoint places, 30 predicate places. [2022-12-12 11:57:12,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 521 transitions, 3870 flow [2022-12-12 11:57:12,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 521 transitions, 3840 flow, removed 14 selfloop flow, removed 1 redundant places. [2022-12-12 11:57:12,833 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 521 transitions, 3840 flow [2022-12-12 11:57:12,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.83333333333333) internal successors, (509), 6 states have internal predecessors, (509), 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) [2022-12-12 11:57:12,833 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:12,834 INFO L214 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] [2022-12-12 11:57:12,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-12 11:57:12,834 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:12,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:12,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1203716139, now seen corresponding path program 1 times [2022-12-12 11:57:12,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:12,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900940775] [2022-12-12 11:57:12,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:57:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:57:13,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:57:13,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900940775] [2022-12-12 11:57:13,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900940775] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:57:13,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:57:13,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 11:57:13,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898594141] [2022-12-12 11:57:13,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:57:13,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 11:57:13,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:57:13,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 11:57:13,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 11:57:13,061 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 107 [2022-12-12 11:57:13,062 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 521 transitions, 3840 flow. Second operand has 7 states, 7 states have (on average 82.42857142857143) internal successors, (577), 7 states have internal predecessors, (577), 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) [2022-12-12 11:57:13,062 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:57:13,062 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 107 [2022-12-12 11:57:13,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:57:13,331 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][173], [P1Thread1of1ForFork0InUse, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 63#L2true, 186#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 46#L751true, 118#true, 176#(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))]) [2022-12-12 11:57:13,332 INFO L382 tUnfolder$Statistics]: this new event has 66 ancestors and is cut-off event [2022-12-12 11:57:13,332 INFO L385 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-12-12 11:57:13,332 INFO L385 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-12-12 11:57:13,332 INFO L385 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-12-12 11:57:13,332 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][174], [P1Thread1of1ForFork0InUse, 183#true, 24#L807true, P2Thread1of1ForFork1InUse, P0Thread1of1ForFork2InUse, 63#L2true, 41#L774true, 46#L751true, 118#true, 176#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 144#true, 121#true]) [2022-12-12 11:57:13,332 INFO L382 tUnfolder$Statistics]: this new event has 66 ancestors and is cut-off event [2022-12-12 11:57:13,332 INFO L385 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-12-12 11:57:13,332 INFO L385 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-12-12 11:57:13,332 INFO L385 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-12-12 11:57:13,408 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][147], [P1Thread1of1ForFork0InUse, 34#L754true, 24#L807true, P2Thread1of1ForFork1InUse, 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 63#L2true, 41#L774true, 118#true, 176#(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)), 144#true, 121#true]) [2022-12-12 11:57:13,408 INFO L382 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,408 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,408 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,408 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,410 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][197], [P1Thread1of1ForFork0InUse, 34#L754true, 51#L3true, 24#L807true, P2Thread1of1ForFork1InUse, 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 41#L774true, 118#true, 144#true, 121#true, 178#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0))]) [2022-12-12 11:57:13,410 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,410 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,410 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,410 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,410 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][198], [P1Thread1of1ForFork0InUse, 183#true, 51#L3true, P2Thread1of1ForFork1InUse, 24#L807true, P0Thread1of1ForFork2InUse, 41#L774true, 46#L751true, 118#true, 144#true, 121#true, 178#(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))]) [2022-12-12 11:57:13,410 INFO L382 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,410 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,410 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,411 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,411 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][201], [P1Thread1of1ForFork0InUse, 51#L3true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 186#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 46#L751true, 118#true, 178#(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))]) [2022-12-12 11:57:13,412 INFO L382 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,413 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,413 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,413 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-12-12 11:57:13,580 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([325] L754-->L761: Formula: (let ((.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_145 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_31 256) 0)))) (let ((.cse1 (and .cse2 .cse5)) (.cse0 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_125 256) 0)))) (.cse4 (and (not (= (mod v_~z$w_buff0_used~0_146 256) 0)) .cse5))) (and (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_125) v_~z$w_buff1_used~0_124) (= v_~z$r_buff0_thd1~0_30 (ite .cse1 0 v_~z$r_buff0_thd1~0_31)) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd1~0_30 256) 0)) .cse2) (and (not (= (mod v_~z$w_buff1_used~0_124 256) 0)) .cse3)) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_88 (ite .cse4 v_~z$w_buff0~0_61 (ite .cse0 v_~z$w_buff1~0_74 v_~z~0_89))) (= v_~z$w_buff0_used~0_145 (ite .cse4 0 v_~z$w_buff0_used~0_146))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_146, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_125, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_89, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_31} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_145, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_124, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_88, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_30} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][149], [P1Thread1of1ForFork0InUse, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 85#L761true, 41#L774true, 70#L791true, 63#L2true, 118#true, 176#(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))]) [2022-12-12 11:57:13,580 INFO L382 tUnfolder$Statistics]: this new event has 67 ancestors and is not cut-off event [2022-12-12 11:57:13,580 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is not cut-off event [2022-12-12 11:57:13,580 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is not cut-off event [2022-12-12 11:57:13,580 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is not cut-off event [2022-12-12 11:57:13,581 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([325] L754-->L761: Formula: (let ((.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_145 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_31 256) 0)))) (let ((.cse1 (and .cse2 .cse5)) (.cse0 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_125 256) 0)))) (.cse4 (and (not (= (mod v_~z$w_buff0_used~0_146 256) 0)) .cse5))) (and (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_125) v_~z$w_buff1_used~0_124) (= v_~z$r_buff0_thd1~0_30 (ite .cse1 0 v_~z$r_buff0_thd1~0_31)) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd1~0_30 256) 0)) .cse2) (and (not (= (mod v_~z$w_buff1_used~0_124 256) 0)) .cse3)) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_88 (ite .cse4 v_~z$w_buff0~0_61 (ite .cse0 v_~z$w_buff1~0_74 v_~z~0_89))) (= v_~z$w_buff0_used~0_145 (ite .cse4 0 v_~z$w_buff0_used~0_146))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_146, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_125, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_89, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_31} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_145, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_124, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_88, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_30} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][200], [P1Thread1of1ForFork0InUse, 51#L3true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 185#(= ~x~0 1), 85#L761true, 41#L774true, 70#L791true, 118#true, 178#(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))]) [2022-12-12 11:57:13,581 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,581 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,581 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,581 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,581 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][227], [P1Thread1of1ForFork0InUse, 34#L754true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 63#L2true, 118#true, 176#(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))]) [2022-12-12 11:57:13,582 INFO L382 tUnfolder$Statistics]: this new event has 67 ancestors and is not cut-off event [2022-12-12 11:57:13,582 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is not cut-off event [2022-12-12 11:57:13,582 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is not cut-off event [2022-12-12 11:57:13,582 INFO L385 tUnfolder$Statistics]: existing Event has 67 ancestors and is not cut-off event [2022-12-12 11:57:13,582 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][267], [P1Thread1of1ForFork0InUse, 34#L754true, 51#L3true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 118#true, 178#(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))]) [2022-12-12 11:57:13,582 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,582 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,582 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,582 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,601 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][197], [P1Thread1of1ForFork0InUse, 34#L754true, 24#L807true, 106#L3-1true, P2Thread1of1ForFork1InUse, 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 41#L774true, 118#true, 144#true, 121#true, 178#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0))]) [2022-12-12 11:57:13,601 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,601 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,601 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,601 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,602 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][198], [P1Thread1of1ForFork0InUse, 183#true, 106#L3-1true, 24#L807true, P2Thread1of1ForFork1InUse, P0Thread1of1ForFork2InUse, 41#L774true, 46#L751true, 118#true, 144#true, 121#true, 178#(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))]) [2022-12-12 11:57:13,602 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,602 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,602 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,602 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,602 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][201], [P1Thread1of1ForFork0InUse, 106#L3-1true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 186#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 46#L751true, 118#true, 178#(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))]) [2022-12-12 11:57:13,602 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,603 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,603 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,603 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:13,716 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([325] L754-->L761: Formula: (let ((.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_145 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_31 256) 0)))) (let ((.cse1 (and .cse2 .cse5)) (.cse0 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_125 256) 0)))) (.cse4 (and (not (= (mod v_~z$w_buff0_used~0_146 256) 0)) .cse5))) (and (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_125) v_~z$w_buff1_used~0_124) (= v_~z$r_buff0_thd1~0_30 (ite .cse1 0 v_~z$r_buff0_thd1~0_31)) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd1~0_30 256) 0)) .cse2) (and (not (= (mod v_~z$w_buff1_used~0_124 256) 0)) .cse3)) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_88 (ite .cse4 v_~z$w_buff0~0_61 (ite .cse0 v_~z$w_buff1~0_74 v_~z~0_89))) (= v_~z$w_buff0_used~0_145 (ite .cse4 0 v_~z$w_buff0_used~0_146))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_146, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_125, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_89, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_31} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_145, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_124, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_88, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_30} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][200], [P1Thread1of1ForFork0InUse, P2Thread1of1ForFork1InUse, 106#L3-1true, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 185#(= ~x~0 1), 85#L761true, 41#L774true, 70#L791true, 118#true, 178#(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))]) [2022-12-12 11:57:13,716 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,716 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,717 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,717 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,717 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][267], [P1Thread1of1ForFork0InUse, 34#L754true, 106#L3-1true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 78#L781true, 70#L791true, 118#true, 178#(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))]) [2022-12-12 11:57:13,717 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,717 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,718 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:13,718 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:15,066 INFO L130 PetriNetUnfolder]: 7337/16559 cut-off events. [2022-12-12 11:57:15,066 INFO L131 PetriNetUnfolder]: For 38739/44091 co-relation queries the response was YES. [2022-12-12 11:57:15,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55270 conditions, 16559 events. 7337/16559 cut-off events. For 38739/44091 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 161949 event pairs, 177 based on Foata normal form. 1682/17832 useless extension candidates. Maximal degree in co-relation 55213. Up to 5114 conditions per place. [2022-12-12 11:57:15,147 INFO L137 encePairwiseOnDemand]: 97/107 looper letters, 202 selfloop transitions, 65 changer transitions 361/724 dead transitions. [2022-12-12 11:57:15,148 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 724 transitions, 6880 flow [2022-12-12 11:57:15,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-12 11:57:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-12 11:57:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1176 transitions. [2022-12-12 11:57:15,154 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8454349388928828 [2022-12-12 11:57:15,156 INFO L295 CegarLoopForPetriNet]: 112 programPoint places, 41 predicate places. [2022-12-12 11:57:15,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 724 transitions, 6880 flow [2022-12-12 11:57:15,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 724 transitions, 6592 flow, removed 144 selfloop flow, removed 0 redundant places. [2022-12-12 11:57:15,176 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 724 transitions, 6592 flow [2022-12-12 11:57:15,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 82.42857142857143) internal successors, (577), 7 states have internal predecessors, (577), 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) [2022-12-12 11:57:15,176 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:15,176 INFO L214 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] [2022-12-12 11:57:15,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-12 11:57:15,176 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:15,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:15,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1163583853, now seen corresponding path program 1 times [2022-12-12 11:57:15,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:15,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350197710] [2022-12-12 11:57:15,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:15,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:57:15,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:57:15,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:57:15,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350197710] [2022-12-12 11:57:15,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350197710] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:57:15,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:57:15,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 11:57:15,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517417440] [2022-12-12 11:57:15,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:57:15,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 11:57:15,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:57:15,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 11:57:15,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 11:57:15,349 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 107 [2022-12-12 11:57:15,350 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 724 transitions, 6592 flow. Second operand has 7 states, 7 states have (on average 84.85714285714286) internal successors, (594), 7 states have internal predecessors, (594), 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) [2022-12-12 11:57:15,350 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:57:15,350 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 107 [2022-12-12 11:57:15,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:57:15,948 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([325] L754-->L761: Formula: (let ((.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_145 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_31 256) 0)))) (let ((.cse1 (and .cse2 .cse5)) (.cse0 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_125 256) 0)))) (.cse4 (and (not (= (mod v_~z$w_buff0_used~0_146 256) 0)) .cse5))) (and (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_125) v_~z$w_buff1_used~0_124) (= v_~z$r_buff0_thd1~0_30 (ite .cse1 0 v_~z$r_buff0_thd1~0_31)) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd1~0_30 256) 0)) .cse2) (and (not (= (mod v_~z$w_buff1_used~0_124 256) 0)) .cse3)) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_88 (ite .cse4 v_~z$w_buff0~0_61 (ite .cse0 v_~z$w_buff1~0_74 v_~z~0_89))) (= v_~z$w_buff0_used~0_145 (ite .cse4 0 v_~z$w_buff0_used~0_146))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_146, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_125, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_89, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_31} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_145, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_124, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_88, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_30} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][199], [70#L791true, 41#L774true, 118#true, P1Thread1of1ForFork0InUse, 51#L3true, 225#(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)), P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 185#(= ~x~0 1), 85#L761true, 178#(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))]) [2022-12-12 11:57:15,948 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:15,948 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:15,948 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:15,948 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:15,948 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][195], [24#L807true, 41#L774true, 118#true, P1Thread1of1ForFork0InUse, 51#L3true, 34#L754true, 225#(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)), P2Thread1of1ForFork1InUse, 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 144#true, 121#true, 178#(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))]) [2022-12-12 11:57:15,948 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is cut-off event [2022-12-12 11:57:15,948 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:15,949 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:15,949 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-12-12 11:57:16,210 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][224], [70#L791true, 118#true, P1Thread1of1ForFork0InUse, 51#L3true, 225#(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)), 34#L754true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 78#L781true, 178#(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))]) [2022-12-12 11:57:16,210 INFO L382 tUnfolder$Statistics]: this new event has 68 ancestors and is not cut-off event [2022-12-12 11:57:16,211 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is not cut-off event [2022-12-12 11:57:16,211 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is not cut-off event [2022-12-12 11:57:16,211 INFO L385 tUnfolder$Statistics]: existing Event has 68 ancestors and is not cut-off event [2022-12-12 11:57:16,230 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([325] L754-->L761: Formula: (let ((.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_145 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_31 256) 0)))) (let ((.cse1 (and .cse2 .cse5)) (.cse0 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_125 256) 0)))) (.cse4 (and (not (= (mod v_~z$w_buff0_used~0_146 256) 0)) .cse5))) (and (= (ite (or .cse0 .cse1) 0 v_~z$w_buff1_used~0_125) v_~z$w_buff1_used~0_124) (= v_~z$r_buff0_thd1~0_30 (ite .cse1 0 v_~z$r_buff0_thd1~0_31)) (= (ite (or (and (not (= (mod v_~z$r_buff0_thd1~0_30 256) 0)) .cse2) (and (not (= (mod v_~z$w_buff1_used~0_124 256) 0)) .cse3)) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_88 (ite .cse4 v_~z$w_buff0~0_61 (ite .cse0 v_~z$w_buff1~0_74 v_~z~0_89))) (= v_~z$w_buff0_used~0_145 (ite .cse4 0 v_~z$w_buff0_used~0_146))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_146, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_125, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_89, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_31} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_145, ~z$w_buff0~0=v_~z$w_buff0~0_61, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_124, ~z$w_buff1~0=v_~z$w_buff1~0_74, ~z~0=v_~z~0_88, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_30} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][199], [70#L791true, 41#L774true, 118#true, P1Thread1of1ForFork0InUse, 225#(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)), 106#L3-1true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), P0Thread1of1ForFork2InUse, 185#(= ~x~0 1), 85#L761true, 178#(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))]) [2022-12-12 11:57:16,230 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,230 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,230 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,230 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,231 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([332] L774-->L781: Formula: (let ((.cse3 (not (= (mod v_~z$w_buff0_used~0_121 256) 0))) (.cse2 (not (= (mod v_~z$r_buff1_thd2~0_24 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd2~0_26 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_122 256) 0)))) (.cse1 (and .cse2 (not (= (mod v_~z$w_buff1_used~0_101 256) 0)))) (.cse4 (and .cse3 .cse5))) (and (= v_~z~0_60 (ite .cse0 v_~z$w_buff0~0_43 (ite .cse1 v_~z$w_buff1~0_56 v_~z~0_61))) (= v_~z$w_buff0_used~0_121 (ite .cse0 0 v_~z$w_buff0_used~0_122)) (= v_~z$r_buff1_thd2~0_23 (ite (or (and (not (= (mod v_~z$w_buff1_used~0_100 256) 0)) .cse2) (and .cse3 (not (= (mod v_~z$r_buff0_thd2~0_25 256) 0)))) 0 v_~z$r_buff1_thd2~0_24)) (= v_~z$r_buff0_thd2~0_25 (ite .cse4 0 v_~z$r_buff0_thd2~0_26)) (= v_~z$w_buff1_used~0_100 (ite (or .cse1 .cse4) 0 v_~z$w_buff1_used~0_101))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_122, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_24, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_101, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_61, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_121, ~z$w_buff0~0=v_~z$w_buff0~0_43, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_23, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_100, ~z$w_buff1~0=v_~z$w_buff1~0_56, ~z~0=v_~z~0_60, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd2~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd2~0][224], [70#L791true, 118#true, P1Thread1of1ForFork0InUse, 225#(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)), 34#L754true, 106#L3-1true, P2Thread1of1ForFork1InUse, 124#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 147#(or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (not (= ~__unbuffered_p2_EAX~0 0))), 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 78#L781true, 178#(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))]) [2022-12-12 11:57:16,231 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,231 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,231 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,231 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,231 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([338] L791-->L807: Formula: (let ((.cse10 (= (mod v_~z$r_buff1_thd3~0_64 256) 0)) (.cse7 (= (mod v_~z$r_buff0_thd3~0_68 256) 0))) (let ((.cse8 (not .cse7)) (.cse1 (and .cse10 .cse7)) (.cse11 (= (mod v_~z$w_buff0_used~0_142 256) 0)) (.cse2 (and (= (mod v_~z$w_buff1_used~0_121 256) 0) .cse7))) (let ((.cse6 (= (mod v_~z$w_buff1_used~0_120 256) 0)) (.cse3 (= (mod v_~z$w_buff0_used~0_141 256) 0)) (.cse0 (not (= (mod v_~weak$$choice2~0_38 256) 0))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse8 (not .cse11)))) (and (= v_~z$w_buff1_used~0_120 (ite .cse0 v_~z$w_buff1_used~0_121 (ite (or .cse1 .cse2 .cse3) v_~z$w_buff1_used~0_121 0))) (= |v_P2Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_11) (= (ite .cse4 v_~z~0_85 (ite .cse5 v_~z$w_buff0~0_58 v_~z$w_buff1~0_71)) v_~__unbuffered_p2_EAX~0_16) (= |v_P2Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_38) (= v_~z$w_buff1~0_70 v_~z$w_buff1~0_71) (= v_~z~0_84 (ite .cse0 v_~z$mem_tmp~0_14 v_~__unbuffered_p2_EAX~0_16)) (= v_~z$w_buff0~0_58 v_~z$w_buff0~0_57) (= v_~z$flush_delayed~0_23 0) (= v_~z$r_buff0_thd3~0_67 (ite .cse0 v_~z$r_buff0_thd3~0_68 (ite (or .cse1 (and .cse6 .cse7) .cse3) v_~z$r_buff0_thd3~0_68 (ite (and .cse8 (not .cse3)) 0 v_~z$r_buff0_thd3~0_68)))) (= (ite .cse0 v_~z$r_buff1_thd3~0_64 (ite (let ((.cse9 (= (mod v_~z$r_buff0_thd3~0_67 256) 0))) (or (and .cse6 .cse9) .cse3 (and .cse10 .cse9))) v_~z$r_buff1_thd3~0_64 0)) v_~z$r_buff1_thd3~0_63) (= v_~z$w_buff0_used~0_141 (ite .cse0 v_~z$w_buff0_used~0_142 (ite .cse4 v_~z$w_buff0_used~0_142 (ite .cse5 0 v_~z$w_buff0_used~0_142)))) (= v_~z$mem_tmp~0_14 v_~z~0_85))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_142, ~z$w_buff0~0=v_~z$w_buff0~0_58, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_64, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_121, P2Thread1of1ForFork1_#t~nondet3=|v_P2Thread1of1ForFork1_#t~nondet3_1|, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_68, ~z$w_buff1~0=v_~z$w_buff1~0_71, ~z~0=v_~z~0_85, P2Thread1of1ForFork1_#t~nondet4=|v_P2Thread1of1ForFork1_#t~nondet4_1|} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_14, ~z$w_buff0_used~0=v_~z$w_buff0_used~0_141, ~z$w_buff0~0=v_~z$w_buff0~0_57, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_63, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_120, ~z$w_buff1~0=v_~z$w_buff1~0_70, ~z$flush_delayed~0=v_~z$flush_delayed~0_23, ~weak$$choice0~0=v_~weak$$choice0~0_11, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_67, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_16, ~z~0=v_~z~0_84, ~weak$$choice2~0=v_~weak$$choice2~0_38} AuxVars[] AssignedVars[~z$mem_tmp~0, ~z$w_buff0_used~0, ~z$w_buff0~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, P2Thread1of1ForFork1_#t~nondet3, ~z$w_buff1~0, ~z$flush_delayed~0, P2Thread1of1ForFork1_#t~nondet4, ~weak$$choice0~0, ~z$r_buff0_thd3~0, ~__unbuffered_p2_EAX~0, ~z~0, ~weak$$choice2~0][195], [24#L807true, 41#L774true, 118#true, P1Thread1of1ForFork0InUse, 34#L754true, 225#(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)), 106#L3-1true, P2Thread1of1ForFork1InUse, 185#(= ~x~0 1), P0Thread1of1ForFork2InUse, 144#true, 121#true, 178#(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))]) [2022-12-12 11:57:16,231 INFO L382 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,231 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,231 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,231 INFO L385 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-12-12 11:57:16,755 INFO L130 PetriNetUnfolder]: 5088/10484 cut-off events. [2022-12-12 11:57:16,755 INFO L131 PetriNetUnfolder]: For 26946/33234 co-relation queries the response was YES. [2022-12-12 11:57:16,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40822 conditions, 10484 events. 5088/10484 cut-off events. For 26946/33234 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 92427 event pairs, 116 based on Foata normal form. 1294/11514 useless extension candidates. Maximal degree in co-relation 40765. Up to 2326 conditions per place. [2022-12-12 11:57:16,793 INFO L137 encePairwiseOnDemand]: 97/107 looper letters, 135 selfloop transitions, 24 changer transitions 511/774 dead transitions. [2022-12-12 11:57:16,793 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 774 transitions, 8356 flow [2022-12-12 11:57:16,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-12 11:57:16,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-12 11:57:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1198 transitions. [2022-12-12 11:57:16,796 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8612508986340762 [2022-12-12 11:57:16,796 INFO L295 CegarLoopForPetriNet]: 112 programPoint places, 47 predicate places. [2022-12-12 11:57:16,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 774 transitions, 8356 flow [2022-12-12 11:57:16,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 774 transitions, 7734 flow, removed 276 selfloop flow, removed 10 redundant places. [2022-12-12 11:57:16,816 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 774 transitions, 7734 flow [2022-12-12 11:57:16,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 84.85714285714286) internal successors, (594), 7 states have internal predecessors, (594), 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) [2022-12-12 11:57:16,816 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:16,816 INFO L214 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] [2022-12-12 11:57:16,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-12 11:57:16,816 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:16,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:16,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1440351742, now seen corresponding path program 1 times [2022-12-12 11:57:16,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:16,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726054993] [2022-12-12 11:57:16,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:16,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:57:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:57:17,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:57:17,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726054993] [2022-12-12 11:57:17,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726054993] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:57:17,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:57:17,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-12 11:57:17,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944655717] [2022-12-12 11:57:17,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:57:17,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-12 11:57:17,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:57:17,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-12 11:57:17,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-12 11:57:17,064 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 107 [2022-12-12 11:57:17,064 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 774 transitions, 7734 flow. Second operand has 8 states, 8 states have (on average 85.0) internal successors, (680), 8 states have internal predecessors, (680), 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) [2022-12-12 11:57:17,064 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:57:17,064 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 107 [2022-12-12 11:57:17,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:57:18,607 INFO L130 PetriNetUnfolder]: 4754/9385 cut-off events. [2022-12-12 11:57:18,607 INFO L131 PetriNetUnfolder]: For 27537/32701 co-relation queries the response was YES. [2022-12-12 11:57:18,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41956 conditions, 9385 events. 4754/9385 cut-off events. For 27537/32701 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 82234 event pairs, 107 based on Foata normal form. 1250/10515 useless extension candidates. Maximal degree in co-relation 41898. Up to 2045 conditions per place. [2022-12-12 11:57:18,648 INFO L137 encePairwiseOnDemand]: 97/107 looper letters, 58 selfloop transitions, 20 changer transitions 562/717 dead transitions. [2022-12-12 11:57:18,649 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 717 transitions, 8504 flow [2022-12-12 11:57:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-12 11:57:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-12 11:57:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1436 transitions. [2022-12-12 11:57:18,652 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8387850467289719 [2022-12-12 11:57:18,652 INFO L295 CegarLoopForPetriNet]: 112 programPoint places, 46 predicate places. [2022-12-12 11:57:18,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 717 transitions, 8504 flow [2022-12-12 11:57:18,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 717 transitions, 7818 flow, removed 316 selfloop flow, removed 7 redundant places. [2022-12-12 11:57:18,675 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 717 transitions, 7818 flow [2022-12-12 11:57:18,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 85.0) internal successors, (680), 8 states have internal predecessors, (680), 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) [2022-12-12 11:57:18,676 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:18,676 INFO L214 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] [2022-12-12 11:57:18,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-12 11:57:18,676 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:18,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:18,677 INFO L85 PathProgramCache]: Analyzing trace with hash -187038881, now seen corresponding path program 1 times [2022-12-12 11:57:18,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:18,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554020804] [2022-12-12 11:57:18,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:18,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:57:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:57:19,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:57:19,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554020804] [2022-12-12 11:57:19,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554020804] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:57:19,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:57:19,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-12 11:57:19,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560552415] [2022-12-12 11:57:19,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:57:19,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-12 11:57:19,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:57:19,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-12 11:57:19,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-12-12 11:57:19,336 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 107 [2022-12-12 11:57:19,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 717 transitions, 7818 flow. Second operand has 11 states, 11 states have (on average 74.72727272727273) internal successors, (822), 11 states have internal predecessors, (822), 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) [2022-12-12 11:57:19,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:57:19,337 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 107 [2022-12-12 11:57:19,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:57:20,576 INFO L130 PetriNetUnfolder]: 5463/11158 cut-off events. [2022-12-12 11:57:20,576 INFO L131 PetriNetUnfolder]: For 43523/53494 co-relation queries the response was YES. [2022-12-12 11:57:20,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46388 conditions, 11158 events. 5463/11158 cut-off events. For 43523/53494 co-relation queries the response was YES. Maximal size of possible extension queue 806. Compared 103151 event pairs, 114 based on Foata normal form. 1608/12651 useless extension candidates. Maximal degree in co-relation 46319. Up to 2340 conditions per place. [2022-12-12 11:57:20,616 INFO L137 encePairwiseOnDemand]: 92/107 looper letters, 40 selfloop transitions, 22 changer transitions 830/962 dead transitions. [2022-12-12 11:57:20,616 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 962 transitions, 12384 flow [2022-12-12 11:57:20,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-12 11:57:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-12 11:57:20,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1013 transitions. [2022-12-12 11:57:20,618 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.728253055355859 [2022-12-12 11:57:20,619 INFO L295 CegarLoopForPetriNet]: 112 programPoint places, 51 predicate places. [2022-12-12 11:57:20,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 962 transitions, 12384 flow [2022-12-12 11:57:20,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 962 transitions, 11454 flow, removed 433 selfloop flow, removed 4 redundant places. [2022-12-12 11:57:20,642 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 962 transitions, 11454 flow [2022-12-12 11:57:20,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.72727272727273) internal successors, (822), 11 states have internal predecessors, (822), 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) [2022-12-12 11:57:20,643 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:57:20,643 INFO L214 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] [2022-12-12 11:57:20,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-12 11:57:20,643 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-12 11:57:20,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:57:20,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1602415275, now seen corresponding path program 2 times [2022-12-12 11:57:20,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:57:20,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951578099] [2022-12-12 11:57:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:57:20,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:57:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-12 11:57:20,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-12 11:57:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-12 11:57:20,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-12 11:57:20,753 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-12 11:57:20,754 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-12 11:57:20,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-12 11:57:20,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-12 11:57:20,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-12 11:57:20,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2022-12-12 11:57:20,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-12 11:57:20,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-12 11:57:20,757 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:57:20,762 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 11:57:20,763 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 11:57:20,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 11:57:20 BasicIcfg [2022-12-12 11:57:20,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 11:57:20,853 INFO L158 Benchmark]: Toolchain (without parser) took 14124.44ms. Allocated memory was 173.0MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 147.1MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 881.8MB. Max. memory is 8.0GB. [2022-12-12 11:57:20,853 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 173.0MB. Free memory is still 149.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 11:57:20,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.20ms. Allocated memory is still 173.0MB. Free memory was 147.1MB in the beginning and 120.8MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-12-12 11:57:20,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.06ms. Allocated memory is still 173.0MB. Free memory was 120.8MB in the beginning and 118.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 11:57:20,854 INFO L158 Benchmark]: Boogie Preprocessor took 32.87ms. Allocated memory is still 173.0MB. Free memory was 118.2MB in the beginning and 116.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 11:57:20,854 INFO L158 Benchmark]: RCFGBuilder took 607.87ms. Allocated memory was 173.0MB in the beginning and 233.8MB in the end (delta: 60.8MB). Free memory was 116.1MB in the beginning and 199.9MB in the end (delta: -83.8MB). Peak memory consumption was 31.6MB. Max. memory is 8.0GB. [2022-12-12 11:57:20,854 INFO L158 Benchmark]: TraceAbstraction took 13044.53ms. Allocated memory was 233.8MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 198.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 872.3MB. Max. memory is 8.0GB. [2022-12-12 11:57:20,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 173.0MB. Free memory is still 149.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 398.20ms. Allocated memory is still 173.0MB. Free memory was 147.1MB in the beginning and 120.8MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.06ms. Allocated memory is still 173.0MB. Free memory was 120.8MB in the beginning and 118.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.87ms. Allocated memory is still 173.0MB. Free memory was 118.2MB in the beginning and 116.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 607.87ms. Allocated memory was 173.0MB in the beginning and 233.8MB in the end (delta: 60.8MB). Free memory was 116.1MB in the beginning and 199.9MB in the end (delta: -83.8MB). Peak memory consumption was 31.6MB. Max. memory is 8.0GB. * TraceAbstraction took 13044.53ms. Allocated memory was 233.8MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 198.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 872.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L712] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L713] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L715] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L717] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L719] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L720] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L721] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L722] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L723] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L724] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L725] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L726] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0] [L727] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L728] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L729] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L730] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0] [L731] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L732] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L733] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L734] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L735] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L736] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L831] 0 pthread_t t1489; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1489={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L832] FCALL, FORK 0 pthread_create(&t1489, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1489, ((void *)0), P0, ((void *)0))=-2, t1489={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L833] 0 pthread_t t1490; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1489={5:0}, t1490={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 z$w_buff1 = z$w_buff0 [L742] 1 z$w_buff0 = 1 [L743] 1 z$w_buff1_used = z$w_buff0_used [L744] 1 z$w_buff0_used = (_Bool)1 [L745] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L745] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L746] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L747] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L748] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L749] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L750] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L834] FCALL, FORK 0 pthread_create(&t1490, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1490, ((void *)0), P1, ((void *)0))=-1, t1489={5:0}, t1490={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L835] 0 pthread_t t1491; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1489={5:0}, t1490={6:0}, t1491={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L836] FCALL, FORK 0 pthread_create(&t1491, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1491, ((void *)0), P2, ((void *)0))=0, t1489={5:0}, t1490={6:0}, t1491={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L776] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L777] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L778] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L779] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L780] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L793] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L794] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L795] 3 z$flush_delayed = weak$$choice2 [L796] 3 z$mem_tmp = z [L797] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L798] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L799] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L800] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L801] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L803] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] 3 __unbuffered_p2_EAX = z [L805] 3 z = z$flush_delayed ? z$mem_tmp : z [L806] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L809] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L810] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L811] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L812] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L813] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1489={5:0}, t1490={6:0}, t1491={3:0}, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] RET 0 assume_abort_if_not(main$tmp_guard0) [L842] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L843] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L844] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L845] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L846] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1489={5:0}, t1490={6:0}, t1491={3:0}, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1489={5:0}, t1490={6:0}, t1491={3:0}, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L851] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 134 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.1s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 790 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 790 mSDsluCounter, 571 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 452 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1226 IncrementalHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 119 mSDtfsCounter, 1226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11454occurred in iteration=8, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 2577 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 645 NumberOfCodeBlocks, 645 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 2548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-12 11:57:20,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...