/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-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:15:56,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:15:56,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:15:56,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:15:56,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:15:56,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:15:56,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:15:56,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:15:56,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:15:56,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:15:56,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:15:56,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:15:56,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:15:56,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:15:56,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:15:56,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:15:56,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:15:56,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:15:56,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:15:56,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:15:56,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:15:56,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:15:56,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:15:56,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:15:56,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:15:56,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:15:56,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:15:56,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:15:56,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:15:56,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:15:56,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:15:56,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:15:56,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:15:56,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:15:56,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:15:56,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:15:56,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:15:56,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:15:56,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:15:56,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:15:56,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:15:56,375 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 06:15:56,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:15:56,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:15:56,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:15:56,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:15:56,403 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:15:56,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:15:56,404 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:15:56,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:15:56,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:15:56,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:15:56,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:15:56,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:15:56,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:15:56,405 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:15:56,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:15:56,405 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:15:56,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:15:56,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:15:56,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:15:56,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:15:56,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:15:56,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:15:56,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:15:56,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:15:56,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:15:56,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:15:56,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:15:56,406 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:15:56,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:15:56,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:15:56,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:15:56,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:15:56,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:15:56,687 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:15:56,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2022-12-06 06:15:57,642 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:15:57,874 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:15:57,875 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2022-12-06 06:15:57,896 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45234d14e/e9dedf27f39e41e0aecfbc3f0fbf5303/FLAGdefa74f28 [2022-12-06 06:15:57,922 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45234d14e/e9dedf27f39e41e0aecfbc3f0fbf5303 [2022-12-06 06:15:57,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:15:57,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:15:57,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:15:57,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:15:57,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:15:57,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:15:57" (1/1) ... [2022-12-06 06:15:57,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d828c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:57, skipping insertion in model container [2022-12-06 06:15:57,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:15:57" (1/1) ... [2022-12-06 06:15:57,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:15:57,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:15:58,103 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 06:15:58,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,220 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,224 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-atomic/lamport.i[32156,32169] [2022-12-06 06:15:58,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,235 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,235 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,235 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,235 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,237 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-atomic/lamport.i[34083,34096] [2022-12-06 06:15:58,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:15:58,253 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:15:58,270 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 06:15:58,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,286 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,287 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,287 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,294 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,294 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,295 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-atomic/lamport.i[32156,32169] [2022-12-06 06:15:58,295 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,308 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-atomic/lamport.i[34083,34096] [2022-12-06 06:15:58,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:15:58,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:15:58,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:15:58,348 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:15:58,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58 WrapperNode [2022-12-06 06:15:58,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:15:58,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:15:58,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:15:58,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:15:58,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,396 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-12-06 06:15:58,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:15:58,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:15:58,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:15:58,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:15:58,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:15:58,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:15:58,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:15:58,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:15:58,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (1/1) ... [2022-12-06 06:15:58,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:15:58,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:15:58,477 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 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-12-06 06:15:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-12-06 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-06 06:15:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-06 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:15:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:15:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:15:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:15:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:15:58,510 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 06:15:58,499 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 06:15:58,663 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:15:58,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:15:58,901 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:15:58,908 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:15:58,909 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-06 06:15:58,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:15:58 BoogieIcfgContainer [2022-12-06 06:15:58,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:15:58,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:15:58,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:15:58,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:15:58,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:15:57" (1/3) ... [2022-12-06 06:15:58,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618775f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:15:58, skipping insertion in model container [2022-12-06 06:15:58,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:15:58" (2/3) ... [2022-12-06 06:15:58,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618775f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:15:58, skipping insertion in model container [2022-12-06 06:15:58,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:15:58" (3/3) ... [2022-12-06 06:15:58,917 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2022-12-06 06:15:58,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:15:58,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 06:15:58,930 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:15:59,052 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 06:15:59,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 129 transitions, 274 flow [2022-12-06 06:15:59,145 INFO L130 PetriNetUnfolder]: 24/127 cut-off events. [2022-12-06 06:15:59,145 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:15:59,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 127 events. 24/127 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 253 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 97. Up to 5 conditions per place. [2022-12-06 06:15:59,151 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 129 transitions, 274 flow [2022-12-06 06:15:59,154 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 118 transitions, 245 flow [2022-12-06 06:15:59,155 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:15:59,165 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 118 transitions, 245 flow [2022-12-06 06:15:59,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 118 transitions, 245 flow [2022-12-06 06:15:59,184 INFO L130 PetriNetUnfolder]: 24/118 cut-off events. [2022-12-06 06:15:59,185 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:15:59,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 118 events. 24/118 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 249 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 97. Up to 5 conditions per place. [2022-12-06 06:15:59,189 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 118 transitions, 245 flow [2022-12-06 06:15:59,189 INFO L188 LiptonReduction]: Number of co-enabled transitions 4988 [2022-12-06 06:16:01,413 INFO L203 LiptonReduction]: Total number of compositions: 66 [2022-12-06 06:16:01,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:16:01,429 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;@493e2da7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:16:01,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 06:16:01,431 INFO L130 PetriNetUnfolder]: 1/8 cut-off events. [2022-12-06 06:16:01,431 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:16:01,431 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:01,432 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 06:16:01,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:01,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:01,435 INFO L85 PathProgramCache]: Analyzing trace with hash 16650068, now seen corresponding path program 1 times [2022-12-06 06:16:01,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:01,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864484814] [2022-12-06 06:16:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:01,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:01,554 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 06:16:01,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:01,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864484814] [2022-12-06 06:16:01,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864484814] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:01,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:01,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:16:01,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952005348] [2022-12-06 06:16:01,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:01,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 06:16:01,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:01,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 06:16:01,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 06:16:01,581 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 63 [2022-12-06 06:16:01,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 63 transitions, 135 flow. Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 06:16:01,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:01,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 63 [2022-12-06 06:16:01,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:01,727 INFO L130 PetriNetUnfolder]: 895/1508 cut-off events. [2022-12-06 06:16:01,727 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-12-06 06:16:01,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2818 conditions, 1508 events. 895/1508 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 7775 event pairs, 461 based on Foata normal form. 0/1158 useless extension candidates. Maximal degree in co-relation 2646. Up to 1269 conditions per place. [2022-12-06 06:16:01,738 INFO L137 encePairwiseOnDemand]: 57/63 looper letters, 39 selfloop transitions, 0 changer transitions 0/57 dead transitions. [2022-12-06 06:16:01,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 57 transitions, 201 flow [2022-12-06 06:16:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 06:16:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 06:16:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 81 transitions. [2022-12-06 06:16:01,748 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2022-12-06 06:16:01,749 INFO L175 Difference]: Start difference. First operand has 52 places, 63 transitions, 135 flow. Second operand 2 states and 81 transitions. [2022-12-06 06:16:01,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 57 transitions, 201 flow [2022-12-06 06:16:01,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 57 transitions, 196 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 06:16:01,755 INFO L231 Difference]: Finished difference. Result has 50 places, 57 transitions, 118 flow [2022-12-06 06:16:01,756 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=118, PETRI_PLACES=50, PETRI_TRANSITIONS=57} [2022-12-06 06:16:01,759 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2022-12-06 06:16:01,760 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:16:01,760 INFO L89 Accepts]: Start accepts. Operand has 50 places, 57 transitions, 118 flow [2022-12-06 06:16:01,762 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:16:01,762 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:01,762 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 57 transitions, 118 flow [2022-12-06 06:16:01,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 57 transitions, 118 flow [2022-12-06 06:16:01,774 INFO L130 PetriNetUnfolder]: 12/57 cut-off events. [2022-12-06 06:16:01,775 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:16:01,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 57 events. 12/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 138 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 53. Up to 3 conditions per place. [2022-12-06 06:16:01,775 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 57 transitions, 118 flow [2022-12-06 06:16:01,775 INFO L188 LiptonReduction]: Number of co-enabled transitions 1550 [2022-12-06 06:16:01,948 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:16:01,949 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 189 [2022-12-06 06:16:01,949 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 55 transitions, 114 flow [2022-12-06 06:16:01,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 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 06:16:01,949 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:01,949 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:16:01,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:16:01,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:01,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:01,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1243487842, now seen corresponding path program 1 times [2022-12-06 06:16:01,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:01,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565324135] [2022-12-06 06:16:01,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:01,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:02,027 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 06:16:02,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:02,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565324135] [2022-12-06 06:16:02,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565324135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:02,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:02,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:16:02,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587652833] [2022-12-06 06:16:02,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:02,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:16:02,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:02,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:16:02,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:16:02,030 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 55 [2022-12-06 06:16:02,030 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 55 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 06:16:02,030 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:02,030 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 55 [2022-12-06 06:16:02,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:02,158 INFO L130 PetriNetUnfolder]: 928/1505 cut-off events. [2022-12-06 06:16:02,158 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 06:16:02,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 1505 events. 928/1505 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7617 event pairs, 324 based on Foata normal form. 0/1118 useless extension candidates. Maximal degree in co-relation 1157. Up to 1009 conditions per place. [2022-12-06 06:16:02,164 INFO L137 encePairwiseOnDemand]: 49/55 looper letters, 55 selfloop transitions, 5 changer transitions 1/76 dead transitions. [2022-12-06 06:16:02,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 76 transitions, 279 flow [2022-12-06 06:16:02,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:16:02,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:16:02,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 107 transitions. [2022-12-06 06:16:02,167 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6484848484848484 [2022-12-06 06:16:02,167 INFO L175 Difference]: Start difference. First operand has 47 places, 55 transitions, 114 flow. Second operand 3 states and 107 transitions. [2022-12-06 06:16:02,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 76 transitions, 279 flow [2022-12-06 06:16:02,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 76 transitions, 279 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:16:02,169 INFO L231 Difference]: Finished difference. Result has 51 places, 57 transitions, 144 flow [2022-12-06 06:16:02,169 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=51, PETRI_TRANSITIONS=57} [2022-12-06 06:16:02,170 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, -1 predicate places. [2022-12-06 06:16:02,170 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:16:02,170 INFO L89 Accepts]: Start accepts. Operand has 51 places, 57 transitions, 144 flow [2022-12-06 06:16:02,171 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:16:02,171 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:02,171 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 57 transitions, 144 flow [2022-12-06 06:16:02,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 57 transitions, 144 flow [2022-12-06 06:16:02,176 INFO L130 PetriNetUnfolder]: 14/75 cut-off events. [2022-12-06 06:16:02,176 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-12-06 06:16:02,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 75 events. 14/75 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 226 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 91. Up to 7 conditions per place. [2022-12-06 06:16:02,177 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 57 transitions, 144 flow [2022-12-06 06:16:02,178 INFO L188 LiptonReduction]: Number of co-enabled transitions 1390 [2022-12-06 06:16:02,183 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:16:02,186 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 06:16:02,186 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 57 transitions, 144 flow [2022-12-06 06:16:02,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 06:16:02,186 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:02,186 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:16:02,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:16:02,186 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:02,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:02,187 INFO L85 PathProgramCache]: Analyzing trace with hash -270510009, now seen corresponding path program 1 times [2022-12-06 06:16:02,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:02,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374272816] [2022-12-06 06:16:02,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:02,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:02,265 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 06:16:02,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:02,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374272816] [2022-12-06 06:16:02,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374272816] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:02,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:02,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:16:02,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701276707] [2022-12-06 06:16:02,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:02,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:16:02,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:02,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:16:02,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:16:02,267 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 55 [2022-12-06 06:16:02,267 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 57 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 06:16:02,267 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:02,267 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 55 [2022-12-06 06:16:02,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:02,374 INFO L130 PetriNetUnfolder]: 864/1409 cut-off events. [2022-12-06 06:16:02,375 INFO L131 PetriNetUnfolder]: For 90/90 co-relation queries the response was YES. [2022-12-06 06:16:02,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 1409 events. 864/1409 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7063 event pairs, 328 based on Foata normal form. 36/1100 useless extension candidates. Maximal degree in co-relation 2069. Up to 1006 conditions per place. [2022-12-06 06:16:02,379 INFO L137 encePairwiseOnDemand]: 49/55 looper letters, 51 selfloop transitions, 4 changer transitions 4/74 dead transitions. [2022-12-06 06:16:02,379 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 74 transitions, 297 flow [2022-12-06 06:16:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:16:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:16:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2022-12-06 06:16:02,380 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6424242424242425 [2022-12-06 06:16:02,380 INFO L175 Difference]: Start difference. First operand has 51 places, 57 transitions, 144 flow. Second operand 3 states and 106 transitions. [2022-12-06 06:16:02,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 74 transitions, 297 flow [2022-12-06 06:16:02,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 74 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:16:02,383 INFO L231 Difference]: Finished difference. Result has 52 places, 57 transitions, 150 flow [2022-12-06 06:16:02,383 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=52, PETRI_TRANSITIONS=57} [2022-12-06 06:16:02,384 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, 0 predicate places. [2022-12-06 06:16:02,384 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:16:02,384 INFO L89 Accepts]: Start accepts. Operand has 52 places, 57 transitions, 150 flow [2022-12-06 06:16:02,385 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:16:02,385 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:02,385 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 57 transitions, 150 flow [2022-12-06 06:16:02,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 57 transitions, 150 flow [2022-12-06 06:16:02,389 INFO L130 PetriNetUnfolder]: 15/80 cut-off events. [2022-12-06 06:16:02,389 INFO L131 PetriNetUnfolder]: For 11/13 co-relation queries the response was YES. [2022-12-06 06:16:02,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 80 events. 15/80 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 253 event pairs, 1 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 110. Up to 11 conditions per place. [2022-12-06 06:16:02,390 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 57 transitions, 150 flow [2022-12-06 06:16:02,390 INFO L188 LiptonReduction]: Number of co-enabled transitions 1342 [2022-12-06 06:16:02,391 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:16:02,392 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 8 [2022-12-06 06:16:02,392 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 57 transitions, 150 flow [2022-12-06 06:16:02,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 06:16:02,392 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:02,393 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:16:02,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:16:02,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:02,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:02,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1476244667, now seen corresponding path program 1 times [2022-12-06 06:16:02,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:02,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279300715] [2022-12-06 06:16:02,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:02,456 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 06:16:02,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:02,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279300715] [2022-12-06 06:16:02,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279300715] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:02,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:02,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:16:02,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808043993] [2022-12-06 06:16:02,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:02,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:16:02,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:02,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:16:02,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:16:02,458 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 55 [2022-12-06 06:16:02,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 57 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 06:16:02,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:02,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 55 [2022-12-06 06:16:02,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:02,603 INFO L130 PetriNetUnfolder]: 1192/2128 cut-off events. [2022-12-06 06:16:02,603 INFO L131 PetriNetUnfolder]: For 441/465 co-relation queries the response was YES. [2022-12-06 06:16:02,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4267 conditions, 2128 events. 1192/2128 cut-off events. For 441/465 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 12640 event pairs, 280 based on Foata normal form. 62/1793 useless extension candidates. Maximal degree in co-relation 4002. Up to 1040 conditions per place. [2022-12-06 06:16:02,610 INFO L137 encePairwiseOnDemand]: 50/55 looper letters, 65 selfloop transitions, 3 changer transitions 0/85 dead transitions. [2022-12-06 06:16:02,610 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 85 transitions, 359 flow [2022-12-06 06:16:02,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:16:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:16:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2022-12-06 06:16:02,612 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.703030303030303 [2022-12-06 06:16:02,612 INFO L175 Difference]: Start difference. First operand has 52 places, 57 transitions, 150 flow. Second operand 3 states and 116 transitions. [2022-12-06 06:16:02,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 85 transitions, 359 flow [2022-12-06 06:16:02,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 85 transitions, 353 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:16:02,617 INFO L231 Difference]: Finished difference. Result has 55 places, 60 transitions, 174 flow [2022-12-06 06:16:02,617 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=55, PETRI_TRANSITIONS=60} [2022-12-06 06:16:02,618 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, 3 predicate places. [2022-12-06 06:16:02,618 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:16:02,618 INFO L89 Accepts]: Start accepts. Operand has 55 places, 60 transitions, 174 flow [2022-12-06 06:16:02,619 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:16:02,619 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:02,619 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 60 transitions, 174 flow [2022-12-06 06:16:02,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 60 transitions, 174 flow [2022-12-06 06:16:02,628 INFO L130 PetriNetUnfolder]: 45/204 cut-off events. [2022-12-06 06:16:02,628 INFO L131 PetriNetUnfolder]: For 23/29 co-relation queries the response was YES. [2022-12-06 06:16:02,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 204 events. 45/204 cut-off events. For 23/29 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1047 event pairs, 3 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 307. Up to 22 conditions per place. [2022-12-06 06:16:02,630 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 60 transitions, 174 flow [2022-12-06 06:16:02,630 INFO L188 LiptonReduction]: Number of co-enabled transitions 1430 [2022-12-06 06:16:02,631 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:16:02,638 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 20 [2022-12-06 06:16:02,638 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 60 transitions, 174 flow [2022-12-06 06:16:02,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 06:16:02,639 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:02,639 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:16:02,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:16:02,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:02,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:02,639 INFO L85 PathProgramCache]: Analyzing trace with hash 176056199, now seen corresponding path program 1 times [2022-12-06 06:16:02,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:02,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007399234] [2022-12-06 06:16:02,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:02,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:16:02,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:02,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007399234] [2022-12-06 06:16:02,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007399234] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:02,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:02,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:16:02,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291408380] [2022-12-06 06:16:02,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:02,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:16:02,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:02,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:16:02,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:16:02,691 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 55 [2022-12-06 06:16:02,691 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 60 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 06:16:02,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:02,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 55 [2022-12-06 06:16:02,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:02,971 INFO L130 PetriNetUnfolder]: 2611/4378 cut-off events. [2022-12-06 06:16:02,971 INFO L131 PetriNetUnfolder]: For 647/713 co-relation queries the response was YES. [2022-12-06 06:16:02,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9392 conditions, 4378 events. 2611/4378 cut-off events. For 647/713 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 26158 event pairs, 869 based on Foata normal form. 56/3696 useless extension candidates. Maximal degree in co-relation 6186. Up to 2497 conditions per place. [2022-12-06 06:16:02,988 INFO L137 encePairwiseOnDemand]: 46/55 looper letters, 77 selfloop transitions, 7 changer transitions 1/97 dead transitions. [2022-12-06 06:16:02,988 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 97 transitions, 442 flow [2022-12-06 06:16:02,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:16:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:16:02,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2022-12-06 06:16:02,990 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6727272727272727 [2022-12-06 06:16:02,990 INFO L175 Difference]: Start difference. First operand has 55 places, 60 transitions, 174 flow. Second operand 3 states and 111 transitions. [2022-12-06 06:16:02,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 97 transitions, 442 flow [2022-12-06 06:16:02,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 434 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:16:02,996 INFO L231 Difference]: Finished difference. Result has 56 places, 65 transitions, 219 flow [2022-12-06 06:16:02,996 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=56, PETRI_TRANSITIONS=65} [2022-12-06 06:16:02,998 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, 4 predicate places. [2022-12-06 06:16:02,998 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:16:02,998 INFO L89 Accepts]: Start accepts. Operand has 56 places, 65 transitions, 219 flow [2022-12-06 06:16:02,999 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:16:02,999 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:03,000 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 65 transitions, 219 flow [2022-12-06 06:16:03,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 65 transitions, 219 flow [2022-12-06 06:16:03,018 INFO L130 PetriNetUnfolder]: 154/522 cut-off events. [2022-12-06 06:16:03,018 INFO L131 PetriNetUnfolder]: For 55/66 co-relation queries the response was YES. [2022-12-06 06:16:03,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 522 events. 154/522 cut-off events. For 55/66 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3312 event pairs, 21 based on Foata normal form. 1/437 useless extension candidates. Maximal degree in co-relation 892. Up to 104 conditions per place. [2022-12-06 06:16:03,021 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 65 transitions, 219 flow [2022-12-06 06:16:03,021 INFO L188 LiptonReduction]: Number of co-enabled transitions 1538 [2022-12-06 06:16:03,028 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:16:03,030 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 32 [2022-12-06 06:16:03,030 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 65 transitions, 219 flow [2022-12-06 06:16:03,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 06:16:03,030 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:03,030 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:16:03,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:16:03,030 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:03,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:03,031 INFO L85 PathProgramCache]: Analyzing trace with hash -748841035, now seen corresponding path program 2 times [2022-12-06 06:16:03,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:03,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837217474] [2022-12-06 06:16:03,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:03,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:03,074 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 06:16:03,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:03,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837217474] [2022-12-06 06:16:03,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837217474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:03,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:03,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:16:03,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838417840] [2022-12-06 06:16:03,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:03,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:16:03,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:03,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:16:03,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:16:03,077 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 55 [2022-12-06 06:16:03,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 65 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 06:16:03,077 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:03,077 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 55 [2022-12-06 06:16:03,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:03,312 INFO L130 PetriNetUnfolder]: 2360/4023 cut-off events. [2022-12-06 06:16:03,312 INFO L131 PetriNetUnfolder]: For 1198/1298 co-relation queries the response was YES. [2022-12-06 06:16:03,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9449 conditions, 4023 events. 2360/4023 cut-off events. For 1198/1298 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 24433 event pairs, 1021 based on Foata normal form. 80/3591 useless extension candidates. Maximal degree in co-relation 5744. Up to 2873 conditions per place. [2022-12-06 06:16:03,323 INFO L137 encePairwiseOnDemand]: 46/55 looper letters, 47 selfloop transitions, 10 changer transitions 24/93 dead transitions. [2022-12-06 06:16:03,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 93 transitions, 468 flow [2022-12-06 06:16:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:16:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:16:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2022-12-06 06:16:03,325 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6181818181818182 [2022-12-06 06:16:03,325 INFO L175 Difference]: Start difference. First operand has 56 places, 65 transitions, 219 flow. Second operand 3 states and 102 transitions. [2022-12-06 06:16:03,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 93 transitions, 468 flow [2022-12-06 06:16:03,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 93 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:16:03,335 INFO L231 Difference]: Finished difference. Result has 59 places, 60 transitions, 256 flow [2022-12-06 06:16:03,335 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=59, PETRI_TRANSITIONS=60} [2022-12-06 06:16:03,337 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, 7 predicate places. [2022-12-06 06:16:03,337 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:16:03,337 INFO L89 Accepts]: Start accepts. Operand has 59 places, 60 transitions, 256 flow [2022-12-06 06:16:03,337 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:16:03,337 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:03,338 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 60 transitions, 256 flow [2022-12-06 06:16:03,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 60 transitions, 256 flow [2022-12-06 06:16:03,354 INFO L130 PetriNetUnfolder]: 79/379 cut-off events. [2022-12-06 06:16:03,354 INFO L131 PetriNetUnfolder]: For 162/180 co-relation queries the response was YES. [2022-12-06 06:16:03,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 808 conditions, 379 events. 79/379 cut-off events. For 162/180 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2419 event pairs, 9 based on Foata normal form. 1/330 useless extension candidates. Maximal degree in co-relation 793. Up to 81 conditions per place. [2022-12-06 06:16:03,356 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 60 transitions, 256 flow [2022-12-06 06:16:03,357 INFO L188 LiptonReduction]: Number of co-enabled transitions 1058 [2022-12-06 06:16:03,384 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:16:03,385 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 48 [2022-12-06 06:16:03,385 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 60 transitions, 258 flow [2022-12-06 06:16:03,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 06:16:03,385 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:03,385 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:16:03,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 06:16:03,385 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:03,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:03,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1428709643, now seen corresponding path program 3 times [2022-12-06 06:16:03,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:03,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747317516] [2022-12-06 06:16:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:03,411 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 06:16:03,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:03,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747317516] [2022-12-06 06:16:03,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747317516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:03,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:03,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 06:16:03,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583588514] [2022-12-06 06:16:03,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:03,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:16:03,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:03,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:16:03,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:16:03,412 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 49 [2022-12-06 06:16:03,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 60 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 06:16:03,413 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:03,413 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 49 [2022-12-06 06:16:03,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:03,551 INFO L130 PetriNetUnfolder]: 850/1811 cut-off events. [2022-12-06 06:16:03,551 INFO L131 PetriNetUnfolder]: For 980/1038 co-relation queries the response was YES. [2022-12-06 06:16:03,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4462 conditions, 1811 events. 850/1811 cut-off events. For 980/1038 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 12035 event pairs, 281 based on Foata normal form. 78/1689 useless extension candidates. Maximal degree in co-relation 4190. Up to 737 conditions per place. [2022-12-06 06:16:03,557 INFO L137 encePairwiseOnDemand]: 45/49 looper letters, 57 selfloop transitions, 3 changer transitions 0/79 dead transitions. [2022-12-06 06:16:03,557 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 79 transitions, 421 flow [2022-12-06 06:16:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:16:03,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:16:03,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2022-12-06 06:16:03,558 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6938775510204082 [2022-12-06 06:16:03,558 INFO L175 Difference]: Start difference. First operand has 56 places, 60 transitions, 258 flow. Second operand 3 states and 102 transitions. [2022-12-06 06:16:03,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 79 transitions, 421 flow [2022-12-06 06:16:03,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 79 transitions, 399 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-12-06 06:16:03,564 INFO L231 Difference]: Finished difference. Result has 58 places, 60 transitions, 242 flow [2022-12-06 06:16:03,564 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=58, PETRI_TRANSITIONS=60} [2022-12-06 06:16:03,564 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, 6 predicate places. [2022-12-06 06:16:03,564 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:16:03,564 INFO L89 Accepts]: Start accepts. Operand has 58 places, 60 transitions, 242 flow [2022-12-06 06:16:03,565 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:16:03,565 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:03,565 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 60 transitions, 242 flow [2022-12-06 06:16:03,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 60 transitions, 242 flow [2022-12-06 06:16:03,579 INFO L130 PetriNetUnfolder]: 54/337 cut-off events. [2022-12-06 06:16:03,579 INFO L131 PetriNetUnfolder]: For 79/91 co-relation queries the response was YES. [2022-12-06 06:16:03,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 337 events. 54/337 cut-off events. For 79/91 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2208 event pairs, 9 based on Foata normal form. 2/302 useless extension candidates. Maximal degree in co-relation 661. Up to 50 conditions per place. [2022-12-06 06:16:03,581 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 60 transitions, 242 flow [2022-12-06 06:16:03,581 INFO L188 LiptonReduction]: Number of co-enabled transitions 910 [2022-12-06 06:16:03,610 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:16:03,611 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 47 [2022-12-06 06:16:03,611 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 238 flow [2022-12-06 06:16:03,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 06:16:03,611 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:03,611 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 06:16:03,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 06:16:03,611 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:03,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:03,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2099858194, now seen corresponding path program 1 times [2022-12-06 06:16:03,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:03,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096126584] [2022-12-06 06:16:03,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:03,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:03,652 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 06:16:03,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:03,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096126584] [2022-12-06 06:16:03,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096126584] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:03,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:03,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:16:03,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129541850] [2022-12-06 06:16:03,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:03,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:16:03,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:03,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:16:03,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:16:03,654 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2022-12-06 06:16:03,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 238 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 06:16:03,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:03,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2022-12-06 06:16:03,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:03,792 INFO L130 PetriNetUnfolder]: 771/1572 cut-off events. [2022-12-06 06:16:03,792 INFO L131 PetriNetUnfolder]: For 620/666 co-relation queries the response was YES. [2022-12-06 06:16:03,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3747 conditions, 1572 events. 771/1572 cut-off events. For 620/666 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 9733 event pairs, 252 based on Foata normal form. 46/1446 useless extension candidates. Maximal degree in co-relation 3450. Up to 778 conditions per place. [2022-12-06 06:16:03,798 INFO L137 encePairwiseOnDemand]: 39/47 looper letters, 35 selfloop transitions, 4 changer transitions 28/86 dead transitions. [2022-12-06 06:16:03,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 86 transitions, 455 flow [2022-12-06 06:16:03,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:16:03,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:16:03,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 128 transitions. [2022-12-06 06:16:03,799 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5446808510638298 [2022-12-06 06:16:03,799 INFO L175 Difference]: Start difference. First operand has 56 places, 58 transitions, 238 flow. Second operand 5 states and 128 transitions. [2022-12-06 06:16:03,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 86 transitions, 455 flow [2022-12-06 06:16:03,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 86 transitions, 449 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 06:16:03,802 INFO L231 Difference]: Finished difference. Result has 60 places, 49 transitions, 202 flow [2022-12-06 06:16:03,802 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=202, PETRI_PLACES=60, PETRI_TRANSITIONS=49} [2022-12-06 06:16:03,803 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, 8 predicate places. [2022-12-06 06:16:03,803 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:16:03,803 INFO L89 Accepts]: Start accepts. Operand has 60 places, 49 transitions, 202 flow [2022-12-06 06:16:03,805 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:16:03,805 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:03,805 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 49 transitions, 202 flow [2022-12-06 06:16:03,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 49 transitions, 202 flow [2022-12-06 06:16:03,813 INFO L130 PetriNetUnfolder]: 30/189 cut-off events. [2022-12-06 06:16:03,813 INFO L131 PetriNetUnfolder]: For 51/59 co-relation queries the response was YES. [2022-12-06 06:16:03,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 189 events. 30/189 cut-off events. For 51/59 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 970 event pairs, 6 based on Foata normal form. 2/171 useless extension candidates. Maximal degree in co-relation 397. Up to 32 conditions per place. [2022-12-06 06:16:03,814 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 49 transitions, 202 flow [2022-12-06 06:16:03,814 INFO L188 LiptonReduction]: Number of co-enabled transitions 644 [2022-12-06 06:16:03,848 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:16:03,848 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 45 [2022-12-06 06:16:03,849 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 48 transitions, 204 flow [2022-12-06 06:16:03,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 06:16:03,849 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:16:03,849 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:16:03,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 06:16:03,849 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 06:16:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:16:03,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1074417043, now seen corresponding path program 1 times [2022-12-06 06:16:03,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:16:03,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016890803] [2022-12-06 06:16:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:16:03,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:16:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:16:03,879 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 06:16:03,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:16:03,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016890803] [2022-12-06 06:16:03,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016890803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:16:03,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:16:03,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:16:03,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077745659] [2022-12-06 06:16:03,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:16:03,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 06:16:03,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:16:03,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 06:16:03,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 06:16:03,881 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 40 [2022-12-06 06:16:03,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 48 transitions, 204 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 06:16:03,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:16:03,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 40 [2022-12-06 06:16:03,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:16:03,969 INFO L130 PetriNetUnfolder]: 440/878 cut-off events. [2022-12-06 06:16:03,969 INFO L131 PetriNetUnfolder]: For 565/587 co-relation queries the response was YES. [2022-12-06 06:16:03,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2323 conditions, 878 events. 440/878 cut-off events. For 565/587 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4325 event pairs, 96 based on Foata normal form. 12/821 useless extension candidates. Maximal degree in co-relation 2060. Up to 311 conditions per place. [2022-12-06 06:16:03,972 INFO L137 encePairwiseOnDemand]: 33/40 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2022-12-06 06:16:03,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 69 transitions, 375 flow [2022-12-06 06:16:03,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:16:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:16:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 107 transitions. [2022-12-06 06:16:03,974 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.535 [2022-12-06 06:16:03,974 INFO L175 Difference]: Start difference. First operand has 54 places, 48 transitions, 204 flow. Second operand 5 states and 107 transitions. [2022-12-06 06:16:03,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 69 transitions, 375 flow [2022-12-06 06:16:03,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 69 transitions, 330 flow, removed 6 selfloop flow, removed 6 redundant places. [2022-12-06 06:16:03,977 INFO L231 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2022-12-06 06:16:03,977 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2022-12-06 06:16:03,977 INFO L294 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2022-12-06 06:16:03,977 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:16:03,978 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 0 transitions, 0 flow [2022-12-06 06:16:03,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 06:16:03,978 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 06:16:03,978 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:16:03,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 06:16:03,978 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 06:16:03,978 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 06:16:03,978 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:16:03,979 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 06:16:03,979 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 06:16:03,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 06:16:03,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-06 06:16:03,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-06 06:16:03,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-06 06:16:03,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-06 06:16:03,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-06 06:16:03,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-06 06:16:03,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 06:16:03,982 INFO L458 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-12-06 06:16:03,988 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:16:03,988 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:16:03,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:16:03 BasicIcfg [2022-12-06 06:16:03,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:16:03,991 INFO L158 Benchmark]: Toolchain (without parser) took 6065.91ms. Allocated memory was 185.6MB in the beginning and 273.7MB in the end (delta: 88.1MB). Free memory was 160.5MB in the beginning and 247.9MB in the end (delta: -87.4MB). Peak memory consumption was 165.0MB. Max. memory is 8.0GB. [2022-12-06 06:16:03,991 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:16:03,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.12ms. Allocated memory is still 185.6MB. Free memory was 160.5MB in the beginning and 131.9MB in the end (delta: 28.6MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-12-06 06:16:03,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.54ms. Allocated memory is still 185.6MB. Free memory was 131.9MB in the beginning and 130.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:16:03,991 INFO L158 Benchmark]: Boogie Preprocessor took 37.60ms. Allocated memory is still 185.6MB. Free memory was 130.2MB in the beginning and 128.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 06:16:03,992 INFO L158 Benchmark]: RCFGBuilder took 475.93ms. Allocated memory is still 185.6MB. Free memory was 128.2MB in the beginning and 113.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-06 06:16:03,992 INFO L158 Benchmark]: TraceAbstraction took 5077.91ms. Allocated memory was 185.6MB in the beginning and 273.7MB in the end (delta: 88.1MB). Free memory was 112.5MB in the beginning and 247.9MB in the end (delta: -135.4MB). Peak memory consumption was 116.8MB. Max. memory is 8.0GB. [2022-12-06 06:16:03,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 423.12ms. Allocated memory is still 185.6MB. Free memory was 160.5MB in the beginning and 131.9MB in the end (delta: 28.6MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.54ms. Allocated memory is still 185.6MB. Free memory was 131.9MB in the beginning and 130.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.60ms. Allocated memory is still 185.6MB. Free memory was 130.2MB in the beginning and 128.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 475.93ms. Allocated memory is still 185.6MB. Free memory was 128.2MB in the beginning and 113.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5077.91ms. Allocated memory was 185.6MB in the beginning and 273.7MB in the end (delta: 88.1MB). Free memory was 112.5MB in the beginning and 247.9MB in the end (delta: -135.4MB). Peak memory consumption was 116.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 101 PlacesBefore, 52 PlacesAfterwards, 118 TransitionsBefore, 63 TransitionsAfterwards, 4988 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 31 ConcurrentYvCompositions, 6 ChoiceCompositions, 66 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3653, independent: 3471, independent conditional: 3471, independent unconditional: 0, dependent: 182, dependent conditional: 182, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3653, independent: 3471, independent conditional: 0, independent unconditional: 3471, dependent: 182, dependent conditional: 0, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3653, independent: 3471, independent conditional: 0, independent unconditional: 3471, dependent: 182, dependent conditional: 0, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3653, independent: 3471, independent conditional: 0, independent unconditional: 3471, dependent: 182, dependent conditional: 0, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2577, independent: 2504, independent conditional: 0, independent unconditional: 2504, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2577, independent: 2456, independent conditional: 0, independent unconditional: 2456, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 121, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3653, independent: 967, independent conditional: 0, independent unconditional: 967, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 2577, unknown conditional: 0, unknown unconditional: 2577] , Statistics on independence cache: Total cache size (in pairs): 3647, Positive cache size: 3574, Positive conditional cache size: 0, Positive unconditional cache size: 3574, Negative cache size: 73, Negative conditional cache size: 0, Negative unconditional cache size: 73, 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: 0.2s, 49 PlacesBefore, 47 PlacesAfterwards, 57 TransitionsBefore, 55 TransitionsAfterwards, 1550 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1320, independent: 1196, independent conditional: 1196, independent unconditional: 0, dependent: 124, dependent conditional: 124, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1320, independent: 1196, independent conditional: 0, independent unconditional: 1196, dependent: 124, dependent conditional: 0, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1320, independent: 1196, independent conditional: 0, independent unconditional: 1196, dependent: 124, dependent conditional: 0, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1320, independent: 1196, independent conditional: 0, independent unconditional: 1196, dependent: 124, dependent conditional: 0, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 637, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 637, independent: 581, independent conditional: 0, independent unconditional: 581, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1320, independent: 609, independent conditional: 0, independent unconditional: 609, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 637, unknown conditional: 0, unknown unconditional: 637] , Statistics on independence cache: Total cache size (in pairs): 798, Positive cache size: 748, Positive conditional cache size: 0, Positive unconditional cache size: 748, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, 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: 0.0s, 51 PlacesBefore, 51 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1390 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 591, independent: 527, independent conditional: 527, independent unconditional: 0, dependent: 64, dependent conditional: 64, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 591, independent: 527, independent conditional: 18, independent unconditional: 509, dependent: 64, dependent conditional: 1, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 591, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 64, dependent conditional: 1, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 591, independent: 527, independent conditional: 0, independent unconditional: 527, dependent: 64, dependent conditional: 1, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 591, independent: 520, independent conditional: 0, independent unconditional: 520, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 8, unknown conditional: 1, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 806, Positive cache size: 755, Positive conditional cache size: 0, Positive unconditional cache size: 755, Negative cache size: 51, Negative conditional cache size: 1, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 18, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 52 PlacesBefore, 52 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 558, independent: 496, independent conditional: 496, independent unconditional: 0, dependent: 62, dependent conditional: 62, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 558, independent: 496, independent conditional: 0, independent unconditional: 496, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 558, independent: 496, independent conditional: 0, independent unconditional: 496, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 558, independent: 496, independent conditional: 0, independent unconditional: 496, dependent: 62, dependent conditional: 0, dependent unconditional: 62, 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: 558, independent: 496, independent conditional: 0, independent unconditional: 496, dependent: 62, dependent conditional: 0, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 806, Positive cache size: 755, Positive conditional cache size: 0, Positive unconditional cache size: 755, Negative cache size: 51, Negative conditional cache size: 1, Negative unconditional cache size: 50, 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: 0.0s, 55 PlacesBefore, 55 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 366, independent: 331, independent conditional: 331, 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: 366, independent: 331, independent conditional: 11, independent unconditional: 320, 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: 366, independent: 331, independent conditional: 0, independent unconditional: 331, 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: 366, independent: 331, independent conditional: 0, independent unconditional: 331, 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: 3, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 3, independent: 3, independent conditional: 0, independent unconditional: 3, 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: 366, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 809, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 51, Negative conditional cache size: 1, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 56 PlacesBefore, 56 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 1538 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 248, independent: 227, independent conditional: 227, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 248, independent: 227, independent conditional: 14, independent unconditional: 213, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 248, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 248, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 248, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 17, dependent conditional: 2, dependent unconditional: 15, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 813, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 55, Negative conditional cache size: 5, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 56 PlacesBefore, 56 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 1058 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 438, independent: 396, independent conditional: 396, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 438, independent: 396, independent conditional: 34, independent unconditional: 362, dependent: 42, dependent conditional: 12, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 438, independent: 396, independent conditional: 0, independent unconditional: 396, dependent: 42, dependent conditional: 12, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 438, independent: 396, independent conditional: 0, independent unconditional: 396, dependent: 42, dependent conditional: 12, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 6, dependent conditional: 5, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 5, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 438, independent: 363, independent conditional: 0, independent unconditional: 363, dependent: 36, dependent conditional: 7, dependent unconditional: 29, unknown: 39, unknown conditional: 5, unknown unconditional: 34] , Statistics on independence cache: Total cache size (in pairs): 873, Positive cache size: 812, Positive conditional cache size: 0, Positive unconditional cache size: 812, Negative cache size: 61, Negative conditional cache size: 10, Negative unconditional cache size: 51, 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, 58 PlacesBefore, 56 PlacesAfterwards, 60 TransitionsBefore, 58 TransitionsAfterwards, 910 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 359, independent: 327, independent conditional: 327, independent unconditional: 0, dependent: 32, dependent conditional: 32, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 359, independent: 327, independent conditional: 17, independent unconditional: 310, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 359, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 359, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 359, independent: 314, independent conditional: 0, independent unconditional: 314, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 917, Positive cache size: 846, Positive conditional cache size: 0, Positive unconditional cache size: 846, Negative cache size: 71, Negative conditional cache size: 10, Negative unconditional cache size: 61, 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, 55 PlacesBefore, 54 PlacesAfterwards, 49 TransitionsBefore, 48 TransitionsAfterwards, 644 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, independent: 89, independent conditional: 89, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 113, independent: 89, independent conditional: 26, independent unconditional: 63, dependent: 24, dependent conditional: 10, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 113, independent: 89, independent conditional: 0, independent unconditional: 89, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 113, independent: 89, independent conditional: 0, independent unconditional: 89, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, independent: 9, independent conditional: 0, independent unconditional: 9, 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: 14, independent: 9, independent conditional: 0, independent unconditional: 9, 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: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 113, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 970, Positive cache size: 894, Positive conditional cache size: 0, Positive unconditional cache size: 894, Negative cache size: 76, Negative conditional cache size: 10, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 36, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , 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: 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] , Statistics on independence cache: Total cache size (in pairs): 970, Positive cache size: 894, Positive conditional cache size: 0, Positive unconditional cache size: 894, Negative cache size: 76, Negative conditional cache size: 10, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 834]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 764]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 172 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 195 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 804 IncrementalHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 36 mSDtfsCounter, 804 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=6, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 06:16:04,009 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...