/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix039.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:26:01,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:26:01,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:26:01,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:26:01,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:26:01,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:26:01,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:26:01,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:26:01,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:26:01,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:26:01,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:26:01,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:26:01,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:26:01,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:26:01,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:26:01,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:26:01,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:26:01,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:26:01,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:26:01,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:26:01,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:26:01,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:26:01,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:26:01,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:26:01,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:26:01,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:26:01,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:26:01,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:26:01,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:26:01,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:26:01,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:26:01,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:26:01,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:26:01,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:26:01,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:26:01,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:26:01,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:26:01,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:26:01,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:26:01,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:26:01,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:26:01,077 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:26:01,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:26:01,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:26:01,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:26:01,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:26:01,097 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:26:01,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:26:01,097 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:26:01,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:26:01,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:26:01,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:26:01,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:26:01,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:26:01,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:26:01,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:26:01,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:26:01,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:26:01,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:26:01,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:26:01,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:26:01,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:26:01,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:26:01,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:26:01,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:26:01,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:26:01,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:26:01,433 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:26:01,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039.oepc.i [2022-12-06 06:26:02,499 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:26:02,775 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:26:02,776 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039.oepc.i [2022-12-06 06:26:02,821 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097204329/ee803082295b400c9a3d59cf82adea8e/FLAG9470691a3 [2022-12-06 06:26:02,835 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097204329/ee803082295b400c9a3d59cf82adea8e [2022-12-06 06:26:02,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:26:02,837 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:26:02,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:26:02,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:26:02,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:26:02,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:26:02" (1/1) ... [2022-12-06 06:26:02,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c297d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:02, skipping insertion in model container [2022-12-06 06:26:02,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:26:02" (1/1) ... [2022-12-06 06:26:02,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:26:02,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:26:03,051 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/mix039.oepc.i[945,958] [2022-12-06 06:26:03,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:26:03,236 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:26:03,244 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/mix039.oepc.i[945,958] [2022-12-06 06:26:03,278 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,279 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,284 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,294 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:26:03,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:26:03,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:26:03,351 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:26:03,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03 WrapperNode [2022-12-06 06:26:03,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:26:03,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:26:03,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:26:03,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:26:03,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,384 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-12-06 06:26:03,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:26:03,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:26:03,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:26:03,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:26:03,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,401 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:26:03,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:26:03,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:26:03,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:26:03,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (1/1) ... [2022-12-06 06:26:03,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:26:03,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:26:03,454 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) [2022-12-06 06:26:03,456 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 [2022-12-06 06:26:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:26:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:26:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:26:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:26:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:26:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 06:26:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 06:26:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 06:26:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 06:26:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 06:26:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 06:26:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-06 06:26:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-06 06:26:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:26:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:26:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:26:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:26:03,500 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:26:03,651 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:26:03,652 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:26:03,999 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:26:04,100 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:26:04,100 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:26:04,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:26:04 BoogieIcfgContainer [2022-12-06 06:26:04,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:26:04,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:26:04,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:26:04,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:26:04,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:26:02" (1/3) ... [2022-12-06 06:26:04,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d32a20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:26:04, skipping insertion in model container [2022-12-06 06:26:04,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:26:03" (2/3) ... [2022-12-06 06:26:04,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d32a20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:26:04, skipping insertion in model container [2022-12-06 06:26:04,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:26:04" (3/3) ... [2022-12-06 06:26:04,110 INFO L112 eAbstractionObserver]: Analyzing ICFG mix039.oepc.i [2022-12-06 06:26:04,123 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:26:04,123 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 06:26:04,123 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:26:04,167 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 06:26:04,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 133 transitions, 286 flow [2022-12-06 06:26:04,252 INFO L130 PetriNetUnfolder]: 2/129 cut-off events. [2022-12-06 06:26:04,252 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:26:04,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 129 events. 2/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-12-06 06:26:04,257 INFO L82 GeneralOperation]: Start removeDead. Operand has 144 places, 133 transitions, 286 flow [2022-12-06 06:26:04,262 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 129 transitions, 270 flow [2022-12-06 06:26:04,264 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:04,283 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 129 transitions, 270 flow [2022-12-06 06:26:04,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 270 flow [2022-12-06 06:26:04,335 INFO L130 PetriNetUnfolder]: 2/129 cut-off events. [2022-12-06 06:26:04,336 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:26:04,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 129 events. 2/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 75 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-12-06 06:26:04,340 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 129 transitions, 270 flow [2022-12-06 06:26:04,340 INFO L188 LiptonReduction]: Number of co-enabled transitions 3270 [2022-12-06 06:26:09,071 INFO L203 LiptonReduction]: Total number of compositions: 99 [2022-12-06 06:26:09,085 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:26:09,090 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=REPEATED_LIPTON_PN, 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;@78c80c85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:26:09,091 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-06 06:26:09,093 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-06 06:26:09,093 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:26:09,093 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:09,094 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 06:26:09,094 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:09,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:09,098 INFO L85 PathProgramCache]: Analyzing trace with hash 556268, now seen corresponding path program 1 times [2022-12-06 06:26:09,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:09,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871955840] [2022-12-06 06:26:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:09,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:09,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:09,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871955840] [2022-12-06 06:26:09,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871955840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:09,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:09,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:26:09,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468362342] [2022-12-06 06:26:09,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:09,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:26:09,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:09,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:26:09,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:26:09,461 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 36 [2022-12-06 06:26:09,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-12-06 06:26:09,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:09,462 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 36 [2022-12-06 06:26:09,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:10,446 INFO L130 PetriNetUnfolder]: 6050/8788 cut-off events. [2022-12-06 06:26:10,446 INFO L131 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2022-12-06 06:26:10,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17187 conditions, 8788 events. 6050/8788 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 52858 event pairs, 1106 based on Foata normal form. 0/8032 useless extension candidates. Maximal degree in co-relation 17175. Up to 6574 conditions per place. [2022-12-06 06:26:10,480 INFO L137 encePairwiseOnDemand]: 31/36 looper letters, 41 selfloop transitions, 2 changer transitions 10/57 dead transitions. [2022-12-06 06:26:10,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 57 transitions, 241 flow [2022-12-06 06:26:10,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:26:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:26:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2022-12-06 06:26:10,489 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6481481481481481 [2022-12-06 06:26:10,491 INFO L175 Difference]: Start difference. First operand has 48 places, 36 transitions, 84 flow. Second operand 3 states and 70 transitions. [2022-12-06 06:26:10,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 57 transitions, 241 flow [2022-12-06 06:26:10,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 57 transitions, 234 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 06:26:10,496 INFO L231 Difference]: Finished difference. Result has 44 places, 28 transitions, 68 flow [2022-12-06 06:26:10,497 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=44, PETRI_TRANSITIONS=28} [2022-12-06 06:26:10,500 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2022-12-06 06:26:10,500 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:10,501 INFO L89 Accepts]: Start accepts. Operand has 44 places, 28 transitions, 68 flow [2022-12-06 06:26:10,502 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:10,503 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:10,503 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 28 transitions, 68 flow [2022-12-06 06:26:10,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 68 flow [2022-12-06 06:26:10,508 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-12-06 06:26:10,508 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:26:10,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-06 06:26:10,509 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 28 transitions, 68 flow [2022-12-06 06:26:10,509 INFO L188 LiptonReduction]: Number of co-enabled transitions 414 [2022-12-06 06:26:10,620 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:26:10,622 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 122 [2022-12-06 06:26:10,622 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 68 flow [2022-12-06 06:26:10,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-12-06 06:26:10,623 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:10,623 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:10,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:26:10,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:10,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:10,624 INFO L85 PathProgramCache]: Analyzing trace with hash -82390497, now seen corresponding path program 1 times [2022-12-06 06:26:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:10,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079352228] [2022-12-06 06:26:10,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:10,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:10,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:10,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079352228] [2022-12-06 06:26:10,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079352228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:10,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:10,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 06:26:10,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745705070] [2022-12-06 06:26:10,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:10,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:26:10,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:10,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:26:10,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:26:10,840 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-06 06:26:10,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 68 flow. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-12-06 06:26:10,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:10,840 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-06 06:26:10,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:12,481 INFO L130 PetriNetUnfolder]: 14423/19622 cut-off events. [2022-12-06 06:26:12,482 INFO L131 PetriNetUnfolder]: For 1011/1011 co-relation queries the response was YES. [2022-12-06 06:26:12,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40728 conditions, 19622 events. 14423/19622 cut-off events. For 1011/1011 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 101263 event pairs, 5141 based on Foata normal form. 458/20080 useless extension candidates. Maximal degree in co-relation 40718. Up to 13627 conditions per place. [2022-12-06 06:26:12,561 INFO L137 encePairwiseOnDemand]: 20/28 looper letters, 46 selfloop transitions, 7 changer transitions 0/53 dead transitions. [2022-12-06 06:26:12,562 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 53 transitions, 232 flow [2022-12-06 06:26:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:26:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:26:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 06:26:12,564 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2022-12-06 06:26:12,564 INFO L175 Difference]: Start difference. First operand has 39 places, 28 transitions, 68 flow. Second operand 3 states and 54 transitions. [2022-12-06 06:26:12,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 53 transitions, 232 flow [2022-12-06 06:26:12,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 53 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:26:12,566 INFO L231 Difference]: Finished difference. Result has 41 places, 34 transitions, 118 flow [2022-12-06 06:26:12,566 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2022-12-06 06:26:12,566 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, -7 predicate places. [2022-12-06 06:26:12,566 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:12,566 INFO L89 Accepts]: Start accepts. Operand has 41 places, 34 transitions, 118 flow [2022-12-06 06:26:12,567 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:12,567 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:12,567 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 34 transitions, 118 flow [2022-12-06 06:26:12,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 34 transitions, 118 flow [2022-12-06 06:26:12,669 INFO L130 PetriNetUnfolder]: 152/414 cut-off events. [2022-12-06 06:26:12,669 INFO L131 PetriNetUnfolder]: For 40/48 co-relation queries the response was YES. [2022-12-06 06:26:12,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 414 events. 152/414 cut-off events. For 40/48 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2536 event pairs, 72 based on Foata normal form. 0/397 useless extension candidates. Maximal degree in co-relation 773. Up to 221 conditions per place. [2022-12-06 06:26:12,671 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 34 transitions, 118 flow [2022-12-06 06:26:12,672 INFO L188 LiptonReduction]: Number of co-enabled transitions 504 [2022-12-06 06:26:12,723 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:26:12,724 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 158 [2022-12-06 06:26:12,724 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 34 transitions, 118 flow [2022-12-06 06:26:12,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-12-06 06:26:12,724 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:12,724 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:12,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:26:12,725 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:12,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:12,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1740860459, now seen corresponding path program 1 times [2022-12-06 06:26:12,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:12,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874852886] [2022-12-06 06:26:12,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:12,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:12,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:12,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874852886] [2022-12-06 06:26:12,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874852886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:12,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:12,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:26:12,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984271061] [2022-12-06 06:26:12,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:12,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:26:12,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:12,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:26:12,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:26:12,847 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-06 06:26:12,847 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 34 transitions, 118 flow. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-06 06:26:12,847 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:12,847 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-06 06:26:12,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:14,249 INFO L130 PetriNetUnfolder]: 13341/18172 cut-off events. [2022-12-06 06:26:14,250 INFO L131 PetriNetUnfolder]: For 6586/6586 co-relation queries the response was YES. [2022-12-06 06:26:14,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44397 conditions, 18172 events. 13341/18172 cut-off events. For 6586/6586 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 90124 event pairs, 3866 based on Foata normal form. 230/18402 useless extension candidates. Maximal degree in co-relation 44385. Up to 9003 conditions per place. [2022-12-06 06:26:14,330 INFO L137 encePairwiseOnDemand]: 20/28 looper letters, 54 selfloop transitions, 8 changer transitions 0/62 dead transitions. [2022-12-06 06:26:14,330 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 62 transitions, 320 flow [2022-12-06 06:26:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:26:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:26:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 58 transitions. [2022-12-06 06:26:14,332 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5178571428571429 [2022-12-06 06:26:14,332 INFO L175 Difference]: Start difference. First operand has 41 places, 34 transitions, 118 flow. Second operand 4 states and 58 transitions. [2022-12-06 06:26:14,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 62 transitions, 320 flow [2022-12-06 06:26:14,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 62 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:26:14,364 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 162 flow [2022-12-06 06:26:14,364 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=162, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2022-12-06 06:26:14,365 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2022-12-06 06:26:14,365 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:14,365 INFO L89 Accepts]: Start accepts. Operand has 45 places, 38 transitions, 162 flow [2022-12-06 06:26:14,367 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:14,367 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:14,367 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 38 transitions, 162 flow [2022-12-06 06:26:14,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 38 transitions, 162 flow [2022-12-06 06:26:14,391 INFO L130 PetriNetUnfolder]: 122/331 cut-off events. [2022-12-06 06:26:14,391 INFO L131 PetriNetUnfolder]: For 145/175 co-relation queries the response was YES. [2022-12-06 06:26:14,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 331 events. 122/331 cut-off events. For 145/175 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1840 event pairs, 41 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 745. Up to 181 conditions per place. [2022-12-06 06:26:14,394 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 38 transitions, 162 flow [2022-12-06 06:26:14,394 INFO L188 LiptonReduction]: Number of co-enabled transitions 556 [2022-12-06 06:26:14,429 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:26:14,430 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 65 [2022-12-06 06:26:14,430 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 162 flow [2022-12-06 06:26:14,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-06 06:26:14,430 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:14,430 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:14,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:26:14,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:14,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:14,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1863575379, now seen corresponding path program 1 times [2022-12-06 06:26:14,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:14,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105065999] [2022-12-06 06:26:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:14,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:14,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:14,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105065999] [2022-12-06 06:26:14,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105065999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:14,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:14,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:26:14,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673877791] [2022-12-06 06:26:14,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:14,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:26:14,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:14,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:26:14,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:26:14,566 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-06 06:26:14,566 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 162 flow. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-06 06:26:14,566 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:14,566 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-06 06:26:14,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:15,669 INFO L130 PetriNetUnfolder]: 13066/17797 cut-off events. [2022-12-06 06:26:15,669 INFO L131 PetriNetUnfolder]: For 10868/10868 co-relation queries the response was YES. [2022-12-06 06:26:15,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46038 conditions, 17797 events. 13066/17797 cut-off events. For 10868/10868 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 91135 event pairs, 1906 based on Foata normal form. 40/17837 useless extension candidates. Maximal degree in co-relation 46023. Up to 11755 conditions per place. [2022-12-06 06:26:15,733 INFO L137 encePairwiseOnDemand]: 20/28 looper letters, 60 selfloop transitions, 16 changer transitions 0/76 dead transitions. [2022-12-06 06:26:15,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 76 transitions, 434 flow [2022-12-06 06:26:15,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:26:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:26:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 68 transitions. [2022-12-06 06:26:15,736 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6071428571428571 [2022-12-06 06:26:15,736 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 162 flow. Second operand 4 states and 68 transitions. [2022-12-06 06:26:15,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 76 transitions, 434 flow [2022-12-06 06:26:15,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 76 transitions, 429 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:26:15,752 INFO L231 Difference]: Finished difference. Result has 49 places, 44 transitions, 255 flow [2022-12-06 06:26:15,752 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=255, PETRI_PLACES=49, PETRI_TRANSITIONS=44} [2022-12-06 06:26:15,753 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2022-12-06 06:26:15,753 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:15,753 INFO L89 Accepts]: Start accepts. Operand has 49 places, 44 transitions, 255 flow [2022-12-06 06:26:15,754 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:15,754 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:15,754 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 44 transitions, 255 flow [2022-12-06 06:26:15,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 44 transitions, 255 flow [2022-12-06 06:26:15,798 INFO L130 PetriNetUnfolder]: 106/295 cut-off events. [2022-12-06 06:26:15,798 INFO L131 PetriNetUnfolder]: For 312/402 co-relation queries the response was YES. [2022-12-06 06:26:15,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 837 conditions, 295 events. 106/295 cut-off events. For 312/402 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1561 event pairs, 32 based on Foata normal form. 2/290 useless extension candidates. Maximal degree in co-relation 822. Up to 161 conditions per place. [2022-12-06 06:26:15,816 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 44 transitions, 255 flow [2022-12-06 06:26:15,816 INFO L188 LiptonReduction]: Number of co-enabled transitions 636 [2022-12-06 06:26:15,858 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:26:15,859 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 106 [2022-12-06 06:26:15,859 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 44 transitions, 255 flow [2022-12-06 06:26:15,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-06 06:26:15,859 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:15,859 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:15,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:26:15,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:15,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:15,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1936213111, now seen corresponding path program 1 times [2022-12-06 06:26:15,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:15,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925487452] [2022-12-06 06:26:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:15,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:15,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:15,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925487452] [2022-12-06 06:26:15,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925487452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:15,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:15,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:26:15,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810711472] [2022-12-06 06:26:15,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:15,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:26:15,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:15,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:26:15,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:26:15,977 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 28 [2022-12-06 06:26:15,977 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 44 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-06 06:26:15,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:15,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 28 [2022-12-06 06:26:15,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:16,589 INFO L130 PetriNetUnfolder]: 6137/9116 cut-off events. [2022-12-06 06:26:16,589 INFO L131 PetriNetUnfolder]: For 6806/7312 co-relation queries the response was YES. [2022-12-06 06:26:16,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23444 conditions, 9116 events. 6137/9116 cut-off events. For 6806/7312 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 53003 event pairs, 1405 based on Foata normal form. 405/9309 useless extension candidates. Maximal degree in co-relation 23426. Up to 7532 conditions per place. [2022-12-06 06:26:16,627 INFO L137 encePairwiseOnDemand]: 22/28 looper letters, 47 selfloop transitions, 5 changer transitions 0/67 dead transitions. [2022-12-06 06:26:16,627 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 67 transitions, 447 flow [2022-12-06 06:26:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:26:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:26:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2022-12-06 06:26:16,628 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-06 06:26:16,628 INFO L175 Difference]: Start difference. First operand has 49 places, 44 transitions, 255 flow. Second operand 3 states and 56 transitions. [2022-12-06 06:26:16,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 67 transitions, 447 flow [2022-12-06 06:26:16,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 67 transitions, 447 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:26:16,635 INFO L231 Difference]: Finished difference. Result has 52 places, 48 transitions, 288 flow [2022-12-06 06:26:16,635 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=52, PETRI_TRANSITIONS=48} [2022-12-06 06:26:16,635 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 4 predicate places. [2022-12-06 06:26:16,635 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:16,635 INFO L89 Accepts]: Start accepts. Operand has 52 places, 48 transitions, 288 flow [2022-12-06 06:26:16,636 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:16,636 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:16,636 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 48 transitions, 288 flow [2022-12-06 06:26:16,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 48 transitions, 288 flow [2022-12-06 06:26:16,683 INFO L130 PetriNetUnfolder]: 408/942 cut-off events. [2022-12-06 06:26:16,683 INFO L131 PetriNetUnfolder]: For 551/664 co-relation queries the response was YES. [2022-12-06 06:26:16,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2257 conditions, 942 events. 408/942 cut-off events. For 551/664 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 6635 event pairs, 168 based on Foata normal form. 4/866 useless extension candidates. Maximal degree in co-relation 2239. Up to 497 conditions per place. [2022-12-06 06:26:16,690 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 48 transitions, 288 flow [2022-12-06 06:26:16,690 INFO L188 LiptonReduction]: Number of co-enabled transitions 752 [2022-12-06 06:26:16,706 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:26:16,708 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 73 [2022-12-06 06:26:16,708 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 48 transitions, 288 flow [2022-12-06 06:26:16,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-06 06:26:16,708 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:16,708 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:16,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:26:16,708 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:16,709 INFO L85 PathProgramCache]: Analyzing trace with hash 816259005, now seen corresponding path program 1 times [2022-12-06 06:26:16,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:16,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530892517] [2022-12-06 06:26:16,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:16,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:16,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:16,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530892517] [2022-12-06 06:26:16,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530892517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:16,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:16,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:26:16,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981605387] [2022-12-06 06:26:16,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:16,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:26:16,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:16,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:26:16,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:26:16,856 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 28 [2022-12-06 06:26:16,856 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 288 flow. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-12-06 06:26:16,856 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:16,856 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 28 [2022-12-06 06:26:16,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:18,163 INFO L130 PetriNetUnfolder]: 9512/14258 cut-off events. [2022-12-06 06:26:18,164 INFO L131 PetriNetUnfolder]: For 13834/14185 co-relation queries the response was YES. [2022-12-06 06:26:18,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42386 conditions, 14258 events. 9512/14258 cut-off events. For 13834/14185 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 88978 event pairs, 1926 based on Foata normal form. 360/14486 useless extension candidates. Maximal degree in co-relation 42365. Up to 6695 conditions per place. [2022-12-06 06:26:18,253 INFO L137 encePairwiseOnDemand]: 25/28 looper letters, 63 selfloop transitions, 3 changer transitions 7/85 dead transitions. [2022-12-06 06:26:18,267 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 85 transitions, 590 flow [2022-12-06 06:26:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:26:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:26:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 63 transitions. [2022-12-06 06:26:18,269 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5625 [2022-12-06 06:26:18,269 INFO L175 Difference]: Start difference. First operand has 52 places, 48 transitions, 288 flow. Second operand 4 states and 63 transitions. [2022-12-06 06:26:18,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 85 transitions, 590 flow [2022-12-06 06:26:18,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 85 transitions, 578 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:26:18,304 INFO L231 Difference]: Finished difference. Result has 56 places, 49 transitions, 304 flow [2022-12-06 06:26:18,304 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=304, PETRI_PLACES=56, PETRI_TRANSITIONS=49} [2022-12-06 06:26:18,307 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 8 predicate places. [2022-12-06 06:26:18,307 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:18,307 INFO L89 Accepts]: Start accepts. Operand has 56 places, 49 transitions, 304 flow [2022-12-06 06:26:18,308 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:18,308 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:18,308 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 49 transitions, 304 flow [2022-12-06 06:26:18,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 49 transitions, 304 flow [2022-12-06 06:26:18,435 INFO L130 PetriNetUnfolder]: 567/1312 cut-off events. [2022-12-06 06:26:18,435 INFO L131 PetriNetUnfolder]: For 993/1137 co-relation queries the response was YES. [2022-12-06 06:26:18,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3144 conditions, 1312 events. 567/1312 cut-off events. For 993/1137 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 10230 event pairs, 233 based on Foata normal form. 6/1190 useless extension candidates. Maximal degree in co-relation 3124. Up to 764 conditions per place. [2022-12-06 06:26:18,452 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 49 transitions, 304 flow [2022-12-06 06:26:18,452 INFO L188 LiptonReduction]: Number of co-enabled transitions 768 [2022-12-06 06:26:18,502 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:26:18,503 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 196 [2022-12-06 06:26:18,503 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 49 transitions, 307 flow [2022-12-06 06:26:18,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-12-06 06:26:18,503 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:18,504 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:18,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:26:18,504 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:18,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:18,504 INFO L85 PathProgramCache]: Analyzing trace with hash -556545720, now seen corresponding path program 1 times [2022-12-06 06:26:18,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:18,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433649170] [2022-12-06 06:26:18,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:18,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:18,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:18,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433649170] [2022-12-06 06:26:18,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433649170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:18,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:18,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:26:18,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801699015] [2022-12-06 06:26:18,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:18,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:26:18,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:18,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:26:18,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:26:18,660 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 06:26:18,660 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 49 transitions, 307 flow. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-12-06 06:26:18,660 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:18,660 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 06:26:18,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:20,585 INFO L130 PetriNetUnfolder]: 15319/22046 cut-off events. [2022-12-06 06:26:20,585 INFO L131 PetriNetUnfolder]: For 30525/30525 co-relation queries the response was YES. [2022-12-06 06:26:20,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68049 conditions, 22046 events. 15319/22046 cut-off events. For 30525/30525 co-relation queries the response was YES. Maximal size of possible extension queue 836. Compared 131797 event pairs, 4687 based on Foata normal form. 204/22250 useless extension candidates. Maximal degree in co-relation 68026. Up to 12274 conditions per place. [2022-12-06 06:26:20,673 INFO L137 encePairwiseOnDemand]: 23/29 looper letters, 68 selfloop transitions, 11 changer transitions 4/83 dead transitions. [2022-12-06 06:26:20,673 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 83 transitions, 594 flow [2022-12-06 06:26:20,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:26:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:26:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 63 transitions. [2022-12-06 06:26:20,674 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5431034482758621 [2022-12-06 06:26:20,674 INFO L175 Difference]: Start difference. First operand has 56 places, 49 transitions, 307 flow. Second operand 4 states and 63 transitions. [2022-12-06 06:26:20,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 83 transitions, 594 flow [2022-12-06 06:26:20,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 590 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:26:20,702 INFO L231 Difference]: Finished difference. Result has 59 places, 47 transitions, 316 flow [2022-12-06 06:26:20,702 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=316, PETRI_PLACES=59, PETRI_TRANSITIONS=47} [2022-12-06 06:26:20,702 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 11 predicate places. [2022-12-06 06:26:20,702 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:20,702 INFO L89 Accepts]: Start accepts. Operand has 59 places, 47 transitions, 316 flow [2022-12-06 06:26:20,703 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:20,703 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:20,703 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 47 transitions, 316 flow [2022-12-06 06:26:20,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 47 transitions, 316 flow [2022-12-06 06:26:20,784 INFO L130 PetriNetUnfolder]: 652/1506 cut-off events. [2022-12-06 06:26:20,784 INFO L131 PetriNetUnfolder]: For 1490/1596 co-relation queries the response was YES. [2022-12-06 06:26:20,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3508 conditions, 1506 events. 652/1506 cut-off events. For 1490/1596 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 12041 event pairs, 320 based on Foata normal form. 2/1367 useless extension candidates. Maximal degree in co-relation 3486. Up to 972 conditions per place. [2022-12-06 06:26:20,796 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 47 transitions, 316 flow [2022-12-06 06:26:20,796 INFO L188 LiptonReduction]: Number of co-enabled transitions 708 [2022-12-06 06:26:20,830 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:26:20,831 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 129 [2022-12-06 06:26:20,831 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 47 transitions, 318 flow [2022-12-06 06:26:20,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-12-06 06:26:20,831 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:20,831 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:20,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 06:26:20,831 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:20,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:20,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1665839793, now seen corresponding path program 1 times [2022-12-06 06:26:20,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:20,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429972515] [2022-12-06 06:26:20,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:20,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:20,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:20,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:20,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429972515] [2022-12-06 06:26:20,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429972515] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:20,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:20,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:26:20,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535717651] [2022-12-06 06:26:20,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:20,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:26:20,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:20,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:26:20,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:26:20,965 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 30 [2022-12-06 06:26:20,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 47 transitions, 318 flow. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-12-06 06:26:20,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:20,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 30 [2022-12-06 06:26:20,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:21,946 INFO L130 PetriNetUnfolder]: 5167/8234 cut-off events. [2022-12-06 06:26:21,946 INFO L131 PetriNetUnfolder]: For 7745/7995 co-relation queries the response was YES. [2022-12-06 06:26:21,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23853 conditions, 8234 events. 5167/8234 cut-off events. For 7745/7995 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 52623 event pairs, 1101 based on Foata normal form. 730/8812 useless extension candidates. Maximal degree in co-relation 23828. Up to 4103 conditions per place. [2022-12-06 06:26:21,989 INFO L137 encePairwiseOnDemand]: 24/30 looper letters, 68 selfloop transitions, 9 changer transitions 0/89 dead transitions. [2022-12-06 06:26:21,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 89 transitions, 688 flow [2022-12-06 06:26:21,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 06:26:21,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 06:26:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 81 transitions. [2022-12-06 06:26:21,991 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.675 [2022-12-06 06:26:21,991 INFO L175 Difference]: Start difference. First operand has 59 places, 47 transitions, 318 flow. Second operand 4 states and 81 transitions. [2022-12-06 06:26:21,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 89 transitions, 688 flow [2022-12-06 06:26:21,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 89 transitions, 631 flow, removed 8 selfloop flow, removed 2 redundant places. [2022-12-06 06:26:22,001 INFO L231 Difference]: Finished difference. Result has 61 places, 51 transitions, 333 flow [2022-12-06 06:26:22,001 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=333, PETRI_PLACES=61, PETRI_TRANSITIONS=51} [2022-12-06 06:26:22,002 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 13 predicate places. [2022-12-06 06:26:22,002 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:22,002 INFO L89 Accepts]: Start accepts. Operand has 61 places, 51 transitions, 333 flow [2022-12-06 06:26:22,003 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:22,003 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:22,003 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 51 transitions, 333 flow [2022-12-06 06:26:22,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 51 transitions, 333 flow [2022-12-06 06:26:22,093 INFO L130 PetriNetUnfolder]: 410/1088 cut-off events. [2022-12-06 06:26:22,094 INFO L131 PetriNetUnfolder]: For 1136/1507 co-relation queries the response was YES. [2022-12-06 06:26:22,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3240 conditions, 1088 events. 410/1088 cut-off events. For 1136/1507 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 8481 event pairs, 92 based on Foata normal form. 39/1065 useless extension candidates. Maximal degree in co-relation 3217. Up to 660 conditions per place. [2022-12-06 06:26:22,107 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 51 transitions, 333 flow [2022-12-06 06:26:22,107 INFO L188 LiptonReduction]: Number of co-enabled transitions 814 [2022-12-06 06:26:22,114 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:26:22,115 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 113 [2022-12-06 06:26:22,115 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 333 flow [2022-12-06 06:26:22,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-12-06 06:26:22,115 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:22,115 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:22,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 06:26:22,115 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:22,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:22,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1100833805, now seen corresponding path program 1 times [2022-12-06 06:26:22,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:22,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981299765] [2022-12-06 06:26:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:22,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:22,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:22,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981299765] [2022-12-06 06:26:22,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981299765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:22,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:22,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:26:22,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282949754] [2022-12-06 06:26:22,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:22,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:26:22,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:22,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:26:22,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:26:22,572 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 30 [2022-12-06 06:26:22,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 51 transitions, 333 flow. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2022-12-06 06:26:22,572 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:22,572 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 30 [2022-12-06 06:26:22,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:24,345 INFO L130 PetriNetUnfolder]: 12012/18297 cut-off events. [2022-12-06 06:26:24,345 INFO L131 PetriNetUnfolder]: For 34442/34442 co-relation queries the response was YES. [2022-12-06 06:26:24,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63119 conditions, 18297 events. 12012/18297 cut-off events. For 34442/34442 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 118713 event pairs, 1436 based on Foata normal form. 48/18345 useless extension candidates. Maximal degree in co-relation 63093. Up to 8414 conditions per place. [2022-12-06 06:26:24,413 INFO L137 encePairwiseOnDemand]: 15/30 looper letters, 142 selfloop transitions, 54 changer transitions 19/215 dead transitions. [2022-12-06 06:26:24,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 215 transitions, 1720 flow [2022-12-06 06:26:24,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 06:26:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 06:26:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2022-12-06 06:26:24,414 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6904761904761905 [2022-12-06 06:26:24,414 INFO L175 Difference]: Start difference. First operand has 61 places, 51 transitions, 333 flow. Second operand 7 states and 145 transitions. [2022-12-06 06:26:24,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 215 transitions, 1720 flow [2022-12-06 06:26:24,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 215 transitions, 1630 flow, removed 22 selfloop flow, removed 2 redundant places. [2022-12-06 06:26:24,431 INFO L231 Difference]: Finished difference. Result has 70 places, 96 transitions, 833 flow [2022-12-06 06:26:24,431 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=833, PETRI_PLACES=70, PETRI_TRANSITIONS=96} [2022-12-06 06:26:24,432 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 22 predicate places. [2022-12-06 06:26:24,432 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:24,432 INFO L89 Accepts]: Start accepts. Operand has 70 places, 96 transitions, 833 flow [2022-12-06 06:26:24,433 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:24,433 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:24,433 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 96 transitions, 833 flow [2022-12-06 06:26:24,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 96 transitions, 833 flow [2022-12-06 06:26:24,833 INFO L130 PetriNetUnfolder]: 2918/6061 cut-off events. [2022-12-06 06:26:24,833 INFO L131 PetriNetUnfolder]: For 10696/11966 co-relation queries the response was YES. [2022-12-06 06:26:24,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19215 conditions, 6061 events. 2918/6061 cut-off events. For 10696/11966 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 54682 event pairs, 398 based on Foata normal form. 222/5891 useless extension candidates. Maximal degree in co-relation 19187. Up to 2598 conditions per place. [2022-12-06 06:26:24,888 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 96 transitions, 833 flow [2022-12-06 06:26:24,888 INFO L188 LiptonReduction]: Number of co-enabled transitions 1458 [2022-12-06 06:26:24,984 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:26:24,984 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 552 [2022-12-06 06:26:24,984 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 94 transitions, 821 flow [2022-12-06 06:26:24,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2022-12-06 06:26:24,985 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:24,985 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:24,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 06:26:24,985 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:24,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:24,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1201243631, now seen corresponding path program 2 times [2022-12-06 06:26:24,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:24,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75246017] [2022-12-06 06:26:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:24,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:25,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:25,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75246017] [2022-12-06 06:26:25,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75246017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:25,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:25,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:26:25,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298031270] [2022-12-06 06:26:25,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:25,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:26:25,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:25,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:26:25,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:26:25,653 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 30 [2022-12-06 06:26:25,653 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 94 transitions, 821 flow. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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) [2022-12-06 06:26:25,653 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:25,653 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 30 [2022-12-06 06:26:25,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:27,849 INFO L130 PetriNetUnfolder]: 12487/20465 cut-off events. [2022-12-06 06:26:27,850 INFO L131 PetriNetUnfolder]: For 54751/55721 co-relation queries the response was YES. [2022-12-06 06:26:27,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82657 conditions, 20465 events. 12487/20465 cut-off events. For 54751/55721 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 155197 event pairs, 2626 based on Foata normal form. 507/20750 useless extension candidates. Maximal degree in co-relation 82626. Up to 6558 conditions per place. [2022-12-06 06:26:28,028 INFO L137 encePairwiseOnDemand]: 21/30 looper letters, 151 selfloop transitions, 16 changer transitions 26/212 dead transitions. [2022-12-06 06:26:28,029 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 212 transitions, 1927 flow [2022-12-06 06:26:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 06:26:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 06:26:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 123 transitions. [2022-12-06 06:26:28,031 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6833333333333333 [2022-12-06 06:26:28,031 INFO L175 Difference]: Start difference. First operand has 70 places, 94 transitions, 821 flow. Second operand 6 states and 123 transitions. [2022-12-06 06:26:28,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 212 transitions, 1927 flow [2022-12-06 06:26:28,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 212 transitions, 1927 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:26:28,109 INFO L231 Difference]: Finished difference. Result has 77 places, 89 transitions, 802 flow [2022-12-06 06:26:28,109 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=802, PETRI_PLACES=77, PETRI_TRANSITIONS=89} [2022-12-06 06:26:28,109 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 29 predicate places. [2022-12-06 06:26:28,110 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:28,110 INFO L89 Accepts]: Start accepts. Operand has 77 places, 89 transitions, 802 flow [2022-12-06 06:26:28,111 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:28,111 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:28,111 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 89 transitions, 802 flow [2022-12-06 06:26:28,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 89 transitions, 802 flow [2022-12-06 06:26:28,838 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([486] L815-->P2EXIT: Formula: (and (= v_~__unbuffered_cnt~0_133 (+ v_~__unbuffered_cnt~0_134 1)) (= |v_P2Thread1of1ForFork0_#res.offset_7| 0) (= |v_P2Thread1of1ForFork0_#res.base_7| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_134} OutVars{P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_7|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_133, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_7|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset][81], [111#P1EXITtrue, Black: 194#(<= ~__unbuffered_cnt~0 1), 86#P3EXITtrue, 186#true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, 167#true, Black: 205#(and (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~b$w_buff0_used~0 (* (div ~b$w_buff0_used~0 256) 256)) (not (= ~b~0 0))), P0Thread1of1ForFork1InUse, Black: 200#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))), 211#true, Black: 199#(and (= ~b$w_buff0_used~0 (* (div ~b$w_buff0_used~0 256) 256)) (not (= ~b~0 0))), Black: 198#(and (= ~b$r_buff0_thd1~0 1) (= ~b$w_buff0~0 ~b$r_buff0_thd1~0) (= ~b$w_buff0_used~0 1)), P3Thread1of1ForFork2InUse, Black: 202#(and (= ~b$r_buff0_thd1~0 1) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (= ~b$w_buff0~0 ~b$r_buff0_thd1~0) (= ~b$w_buff0_used~0 1)), 106#P0EXITtrue, Black: 215#(and (= ~b$w_buff1_used~0 0) (or (not (= ~b$w_buff0~0 0)) (= ~b$w_buff0_used~0 (* (div ~b$w_buff0_used~0 256) 256))) (not (= ~b~0 0))), Black: 218#(and (= ~b$w_buff1_used~0 0) (not (= ~__unbuffered_p3_EBX~0 0)) (or (not (= ~b$w_buff0~0 0)) (= ~b$w_buff0_used~0 (* (div ~b$w_buff0_used~0 256) 256))) (not (= ~b~0 0))), 68#P2EXITtrue, 196#true, Black: 157#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))), Black: 162#(<= ~__unbuffered_p3_EAX~0 0), Black: 163#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))), Black: 169#(<= ~y~0 0), Black: 175#(= ~__unbuffered_cnt~0 0), 182#(and (= ~z~0 1) (= ~__unbuffered_p2_EAX~0 1)), 160#true, 123#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 179#(= ~z~0 1), Black: 188#(= ~y~0 1)]) [2022-12-06 06:26:28,838 INFO L382 tUnfolder$Statistics]: this new event has 27 ancestors and is cut-off event [2022-12-06 06:26:28,839 INFO L385 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2022-12-06 06:26:28,839 INFO L385 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2022-12-06 06:26:28,839 INFO L385 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2022-12-06 06:26:28,845 INFO L130 PetriNetUnfolder]: 3872/8096 cut-off events. [2022-12-06 06:26:28,846 INFO L131 PetriNetUnfolder]: For 15796/17629 co-relation queries the response was YES. [2022-12-06 06:26:28,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25956 conditions, 8096 events. 3872/8096 cut-off events. For 15796/17629 co-relation queries the response was YES. Maximal size of possible extension queue 1009. Compared 78108 event pairs, 647 based on Foata normal form. 247/7768 useless extension candidates. Maximal degree in co-relation 25924. Up to 4071 conditions per place. [2022-12-06 06:26:28,933 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 89 transitions, 802 flow [2022-12-06 06:26:28,934 INFO L188 LiptonReduction]: Number of co-enabled transitions 1418 [2022-12-06 06:26:28,964 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:26:28,965 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 855 [2022-12-06 06:26:28,965 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 89 transitions, 802 flow [2022-12-06 06:26:28,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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) [2022-12-06 06:26:28,965 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:28,965 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:26:28,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-06 06:26:28,965 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:28,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:28,966 INFO L85 PathProgramCache]: Analyzing trace with hash -192594289, now seen corresponding path program 3 times [2022-12-06 06:26:28,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:28,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397329308] [2022-12-06 06:26:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:28,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:29,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:29,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397329308] [2022-12-06 06:26:29,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397329308] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:29,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:29,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:26:29,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662581772] [2022-12-06 06:26:29,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:29,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 06:26:29,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:29,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 06:26:29,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-06 06:26:29,093 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 30 [2022-12-06 06:26:29,094 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 89 transitions, 802 flow. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2022-12-06 06:26:29,094 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:29,094 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 30 [2022-12-06 06:26:29,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:30,530 INFO L130 PetriNetUnfolder]: 8297/13598 cut-off events. [2022-12-06 06:26:30,531 INFO L131 PetriNetUnfolder]: For 42598/43320 co-relation queries the response was YES. [2022-12-06 06:26:30,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56390 conditions, 13598 events. 8297/13598 cut-off events. For 42598/43320 co-relation queries the response was YES. Maximal size of possible extension queue 752. Compared 99437 event pairs, 770 based on Foata normal form. 1297/14695 useless extension candidates. Maximal degree in co-relation 56355. Up to 4796 conditions per place. [2022-12-06 06:26:30,589 INFO L137 encePairwiseOnDemand]: 24/30 looper letters, 147 selfloop transitions, 13 changer transitions 26/204 dead transitions. [2022-12-06 06:26:30,589 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 204 transitions, 2089 flow [2022-12-06 06:26:30,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:26:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:26:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions. [2022-12-06 06:26:30,590 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-06 06:26:30,590 INFO L175 Difference]: Start difference. First operand has 77 places, 89 transitions, 802 flow. Second operand 5 states and 100 transitions. [2022-12-06 06:26:30,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 204 transitions, 2089 flow [2022-12-06 06:26:30,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 204 transitions, 2006 flow, removed 1 selfloop flow, removed 4 redundant places. [2022-12-06 06:26:30,627 INFO L231 Difference]: Finished difference. Result has 78 places, 89 transitions, 776 flow [2022-12-06 06:26:30,627 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=776, PETRI_PLACES=78, PETRI_TRANSITIONS=89} [2022-12-06 06:26:30,627 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 30 predicate places. [2022-12-06 06:26:30,627 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:30,627 INFO L89 Accepts]: Start accepts. Operand has 78 places, 89 transitions, 776 flow [2022-12-06 06:26:30,628 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:30,628 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:30,628 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 89 transitions, 776 flow [2022-12-06 06:26:30,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 89 transitions, 776 flow [2022-12-06 06:26:31,044 INFO L130 PetriNetUnfolder]: 1999/4352 cut-off events. [2022-12-06 06:26:31,045 INFO L131 PetriNetUnfolder]: For 10393/12032 co-relation queries the response was YES. [2022-12-06 06:26:31,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16487 conditions, 4352 events. 1999/4352 cut-off events. For 10393/12032 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 38314 event pairs, 136 based on Foata normal form. 292/4370 useless extension candidates. Maximal degree in co-relation 16455. Up to 2060 conditions per place. [2022-12-06 06:26:31,103 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 89 transitions, 776 flow [2022-12-06 06:26:31,103 INFO L188 LiptonReduction]: Number of co-enabled transitions 1262 [2022-12-06 06:26:31,233 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:26:31,234 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 607 [2022-12-06 06:26:31,234 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 89 transitions, 782 flow [2022-12-06 06:26:31,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2022-12-06 06:26:31,234 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:26:31,234 INFO L213 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] [2022-12-06 06:26:31,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-06 06:26:31,234 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 06:26:31,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:26:31,236 INFO L85 PathProgramCache]: Analyzing trace with hash 864398011, now seen corresponding path program 1 times [2022-12-06 06:26:31,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:26:31,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964156622] [2022-12-06 06:26:31,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:26:31,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:26:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:26:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:26:31,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:26:31,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964156622] [2022-12-06 06:26:31,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964156622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:26:31,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:26:31,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 06:26:31,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182276343] [2022-12-06 06:26:31,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:26:31,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 06:26:31,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:26:31,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 06:26:31,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-06 06:26:31,695 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 31 [2022-12-06 06:26:31,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 89 transitions, 782 flow. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2022-12-06 06:26:31,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:26:31,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 31 [2022-12-06 06:26:31,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:26:33,498 INFO L130 PetriNetUnfolder]: 11171/17643 cut-off events. [2022-12-06 06:26:33,498 INFO L131 PetriNetUnfolder]: For 67233/67233 co-relation queries the response was YES. [2022-12-06 06:26:33,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81046 conditions, 17643 events. 11171/17643 cut-off events. For 67233/67233 co-relation queries the response was YES. Maximal size of possible extension queue 779. Compared 121765 event pairs, 1270 based on Foata normal form. 8/17651 useless extension candidates. Maximal degree in co-relation 81011. Up to 8069 conditions per place. [2022-12-06 06:26:33,566 INFO L137 encePairwiseOnDemand]: 15/31 looper letters, 145 selfloop transitions, 65 changer transitions 34/244 dead transitions. [2022-12-06 06:26:33,567 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 244 transitions, 2379 flow [2022-12-06 06:26:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 06:26:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 06:26:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 142 transitions. [2022-12-06 06:26:33,568 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5725806451612904 [2022-12-06 06:26:33,568 INFO L175 Difference]: Start difference. First operand has 78 places, 89 transitions, 782 flow. Second operand 8 states and 142 transitions. [2022-12-06 06:26:33,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 244 transitions, 2379 flow [2022-12-06 06:26:34,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 244 transitions, 2138 flow, removed 63 selfloop flow, removed 4 redundant places. [2022-12-06 06:26:34,024 INFO L231 Difference]: Finished difference. Result has 86 places, 112 transitions, 1166 flow [2022-12-06 06:26:34,024 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1166, PETRI_PLACES=86, PETRI_TRANSITIONS=112} [2022-12-06 06:26:34,025 INFO L294 CegarLoopForPetriNet]: 48 programPoint places, 38 predicate places. [2022-12-06 06:26:34,025 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:26:34,025 INFO L89 Accepts]: Start accepts. Operand has 86 places, 112 transitions, 1166 flow [2022-12-06 06:26:34,026 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:34,026 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:26:34,026 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 112 transitions, 1166 flow [2022-12-06 06:26:34,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 112 transitions, 1166 flow [2022-12-06 06:26:34,596 INFO L130 PetriNetUnfolder]: 2291/5121 cut-off events. [2022-12-06 06:26:34,596 INFO L131 PetriNetUnfolder]: For 14095/15453 co-relation queries the response was YES. [2022-12-06 06:26:34,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19309 conditions, 5121 events. 2291/5121 cut-off events. For 14095/15453 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 47347 event pairs, 198 based on Foata normal form. 478/5275 useless extension candidates. Maximal degree in co-relation 19273. Up to 1748 conditions per place. [2022-12-06 06:26:34,655 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 112 transitions, 1166 flow [2022-12-06 06:26:34,655 INFO L188 LiptonReduction]: Number of co-enabled transitions 1524 [2022-12-06 06:26:34,670 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [537] $Ultimate##0-->L831: Formula: (and (= |v_P3Thread1of1ForFork2_#in~arg.base_15| v_P3Thread1of1ForFork2_~arg.base_15) (= v_~z~0_50 1) (= v_~a~0_42 1) (= v_P3Thread1of1ForFork2_~arg.offset_15 |v_P3Thread1of1ForFork2_#in~arg.offset_15|) (= v_~a~0_42 v_~__unbuffered_p3_EAX~0_70)) InVars {P3Thread1of1ForFork2_#in~arg.offset=|v_P3Thread1of1ForFork2_#in~arg.offset_15|, P3Thread1of1ForFork2_#in~arg.base=|v_P3Thread1of1ForFork2_#in~arg.base_15|} OutVars{~a~0=v_~a~0_42, P3Thread1of1ForFork2_~arg.offset=v_P3Thread1of1ForFork2_~arg.offset_15, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_70, P3Thread1of1ForFork2_#in~arg.offset=|v_P3Thread1of1ForFork2_#in~arg.offset_15|, ~z~0=v_~z~0_50, P3Thread1of1ForFork2_~arg.base=v_P3Thread1of1ForFork2_~arg.base_15, P3Thread1of1ForFork2_#in~arg.base=|v_P3Thread1of1ForFork2_#in~arg.base_15|} AuxVars[] AssignedVars[~a~0, P3Thread1of1ForFork2_~arg.offset, ~__unbuffered_p3_EAX~0, ~z~0, P3Thread1of1ForFork2_~arg.base] and [398] L805-->L808: Formula: (= v_~__unbuffered_p2_EAX~0_1 v_~z~0_1) InVars {~z~0=v_~z~0_1} OutVars{~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_1, ~z~0=v_~z~0_1} AuxVars[] AssignedVars[~__unbuffered_p2_EAX~0] [2022-12-06 06:26:34,692 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 06:26:34,827 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 06:26:34,828 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 06:26:34,828 INFO L89 Accepts]: Start accepts. Operand has 86 places, 111 transitions, 1172 flow [2022-12-06 06:26:34,828 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:26:34,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-06 06:26:34,829 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 06:26:34,832 INFO L158 Benchmark]: Toolchain (without parser) took 31995.07ms. Allocated memory was 221.2MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 178.7MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 705.8MB. Max. memory is 8.0GB. [2022-12-06 06:26:34,832 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 221.2MB. Free memory was 197.9MB in the beginning and 197.8MB in the end (delta: 84.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:26:34,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.97ms. Allocated memory is still 221.2MB. Free memory was 178.2MB in the beginning and 149.8MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-12-06 06:26:34,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 221.2MB. Free memory was 149.8MB in the beginning and 147.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:26:34,833 INFO L158 Benchmark]: Boogie Preprocessor took 20.12ms. Allocated memory is still 221.2MB. Free memory was 147.7MB in the beginning and 145.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:26:34,833 INFO L158 Benchmark]: RCFGBuilder took 698.87ms. Allocated memory is still 221.2MB. Free memory was 145.7MB in the beginning and 107.4MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-12-06 06:26:34,833 INFO L158 Benchmark]: TraceAbstraction took 30726.45ms. Allocated memory was 221.2MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 106.9MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 634.5MB. Max. memory is 8.0GB. [2022-12-06 06:26:34,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 221.2MB. Free memory was 197.9MB in the beginning and 197.8MB in the end (delta: 84.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 503.97ms. Allocated memory is still 221.2MB. Free memory was 178.2MB in the beginning and 149.8MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 221.2MB. Free memory was 149.8MB in the beginning and 147.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.12ms. Allocated memory is still 221.2MB. Free memory was 147.7MB in the beginning and 145.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 698.87ms. Allocated memory is still 221.2MB. Free memory was 145.7MB in the beginning and 107.4MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 30726.45ms. Allocated memory was 221.2MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 106.9MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 634.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.7s, 140 PlacesBefore, 48 PlacesAfterwards, 129 TransitionsBefore, 36 TransitionsAfterwards, 3270 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 44 TrivialYvCompositions, 53 ConcurrentYvCompositions, 1 ChoiceCompositions, 99 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2606, independent: 2532, independent conditional: 2532, independent unconditional: 0, dependent: 74, dependent conditional: 74, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2606, independent: 2532, independent conditional: 0, independent unconditional: 2532, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2606, independent: 2532, independent conditional: 0, independent unconditional: 2532, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2606, independent: 2532, independent conditional: 0, independent unconditional: 2532, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2105, independent: 2056, independent conditional: 0, independent unconditional: 2056, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2105, independent: 2032, independent conditional: 0, independent unconditional: 2032, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 73, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 283, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 236, dependent conditional: 0, dependent unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2606, independent: 476, independent conditional: 0, independent unconditional: 476, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2105, unknown conditional: 0, unknown unconditional: 2105] , Statistics on independence cache: Total cache size (in pairs): 3047, Positive cache size: 2998, Positive conditional cache size: 0, Positive unconditional cache size: 2998, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 39 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 414 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 179, independent: 149, independent conditional: 149, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 179, independent: 149, independent conditional: 20, independent unconditional: 129, dependent: 30, dependent conditional: 11, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 179, independent: 149, independent conditional: 20, independent unconditional: 129, dependent: 30, dependent conditional: 11, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 179, independent: 149, independent conditional: 20, independent unconditional: 129, dependent: 30, dependent conditional: 11, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 166, independent: 141, independent conditional: 19, independent unconditional: 122, dependent: 25, dependent conditional: 10, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 166, independent: 135, independent conditional: 0, independent unconditional: 135, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 25, dependent conditional: 10, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 103, dependent conditional: 60, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 179, independent: 8, independent conditional: 1, independent unconditional: 7, dependent: 5, dependent conditional: 1, dependent unconditional: 4, unknown: 166, unknown conditional: 29, unknown unconditional: 137] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 141, Positive conditional cache size: 19, Positive unconditional cache size: 122, Negative cache size: 25, Negative conditional cache size: 10, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 41 PlacesBefore, 41 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133, independent: 113, independent conditional: 113, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 133, independent: 113, independent conditional: 13, independent unconditional: 100, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 133, independent: 98, independent conditional: 0, independent unconditional: 98, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 156, Positive conditional cache size: 19, Positive unconditional cache size: 137, Negative cache size: 31, Negative conditional cache size: 10, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165, independent: 139, independent conditional: 139, independent unconditional: 0, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 165, independent: 139, independent conditional: 15, independent unconditional: 124, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 165, independent: 139, independent conditional: 0, independent unconditional: 139, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 165, independent: 139, independent conditional: 0, independent unconditional: 139, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 165, independent: 133, independent conditional: 0, independent unconditional: 133, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 162, Positive conditional cache size: 19, Positive unconditional cache size: 143, Negative cache size: 36, Negative conditional cache size: 10, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 49 PlacesBefore, 49 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 636 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 227, independent: 192, independent conditional: 192, independent unconditional: 0, dependent: 35, dependent conditional: 35, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 227, independent: 192, independent conditional: 34, independent unconditional: 158, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 227, independent: 192, independent conditional: 0, independent unconditional: 192, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 227, independent: 192, independent conditional: 0, independent unconditional: 192, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 227, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 207, Positive cache size: 169, Positive conditional cache size: 19, Positive unconditional cache size: 150, Negative cache size: 38, Negative conditional cache size: 10, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 52 PlacesBefore, 52 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 752 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 143, independent: 110, independent conditional: 110, independent unconditional: 0, dependent: 33, dependent conditional: 33, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 143, independent: 110, independent conditional: 34, independent unconditional: 76, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 143, independent: 110, independent conditional: 6, independent unconditional: 104, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 143, independent: 110, independent conditional: 6, independent unconditional: 104, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 143, independent: 110, independent conditional: 6, independent unconditional: 104, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 169, Positive conditional cache size: 19, Positive unconditional cache size: 150, Negative cache size: 40, Negative conditional cache size: 10, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 56 PlacesBefore, 56 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 219, independent: 159, independent conditional: 159, independent unconditional: 0, dependent: 60, dependent conditional: 60, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 219, independent: 159, independent conditional: 29, independent unconditional: 130, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 219, independent: 159, independent conditional: 3, independent unconditional: 156, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 219, independent: 159, independent conditional: 3, independent unconditional: 156, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 219, independent: 155, independent conditional: 3, independent unconditional: 152, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 186, Positive conditional cache size: 20, Positive unconditional cache size: 166, Negative cache size: 40, Negative conditional cache size: 10, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 59 PlacesBefore, 59 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160, independent: 116, independent conditional: 116, independent unconditional: 0, dependent: 44, dependent conditional: 44, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 160, independent: 116, independent conditional: 19, independent unconditional: 97, dependent: 44, dependent conditional: 8, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160, independent: 116, independent conditional: 3, independent unconditional: 113, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160, independent: 116, independent conditional: 3, independent unconditional: 113, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 160, independent: 115, independent conditional: 3, independent unconditional: 112, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 200, Positive conditional cache size: 21, Positive unconditional cache size: 179, Negative cache size: 40, Negative conditional cache size: 10, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 61 PlacesBefore, 61 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 814 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 85, independent: 58, independent conditional: 58, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 85, independent: 58, independent conditional: 9, independent unconditional: 49, dependent: 27, dependent conditional: 4, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 85, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 85, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 85, independent: 58, independent conditional: 0, independent unconditional: 58, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 200, Positive conditional cache size: 21, Positive unconditional cache size: 179, Negative cache size: 40, Negative conditional cache size: 10, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 70 PlacesBefore, 70 PlacesAfterwards, 96 TransitionsBefore, 94 TransitionsAfterwards, 1458 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 164, independent: 142, independent conditional: 142, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 164, independent: 142, independent conditional: 80, independent unconditional: 62, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 186, independent: 142, independent conditional: 36, independent unconditional: 106, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, independent: 142, independent conditional: 36, independent unconditional: 106, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, independent: 13, independent conditional: 5, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 186, independent: 129, independent conditional: 31, independent unconditional: 98, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 13, unknown conditional: 5, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 213, Positive conditional cache size: 26, Positive unconditional cache size: 187, Negative cache size: 40, Negative conditional cache size: 10, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 77 PlacesBefore, 77 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 1418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36, independent: 18, independent conditional: 9, independent unconditional: 9, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36, independent: 18, independent conditional: 9, independent unconditional: 9, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, independent: 18, independent conditional: 9, independent unconditional: 9, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 253, Positive cache size: 213, Positive conditional cache size: 26, Positive unconditional cache size: 187, Negative cache size: 40, Negative conditional cache size: 10, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 78 PlacesBefore, 78 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 1262 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81, independent: 63, independent conditional: 63, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 81, independent: 63, independent conditional: 52, independent unconditional: 11, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 99, independent: 63, independent conditional: 25, independent unconditional: 38, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, independent: 63, independent conditional: 25, independent unconditional: 38, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 2, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 99, independent: 56, independent conditional: 23, independent unconditional: 33, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 7, unknown conditional: 2, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 225, Positive conditional cache size: 28, Positive unconditional cache size: 197, Negative cache size: 40, Negative conditional cache size: 10, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 86 PlacesBefore, 86 PlacesAfterwards, 112 TransitionsBefore, 111 TransitionsAfterwards, 1524 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124, independent: 110, independent conditional: 110, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 124, independent: 110, independent conditional: 97, independent unconditional: 13, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 152, independent: 110, independent conditional: 82, independent unconditional: 28, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 152, independent: 110, independent conditional: 82, independent unconditional: 28, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 152, independent: 104, independent conditional: 76, independent unconditional: 28, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 245, Positive conditional cache size: 36, Positive unconditional cache size: 209, Negative cache size: 40, Negative conditional cache size: 10, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 57, Maximal queried relation: 2 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 06:26:34,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...