/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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 06:04:59,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 06:04:59,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 06:04:59,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 06:04:59,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 06:04:59,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 06:04:59,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 06:04:59,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 06:04:59,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 06:04:59,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 06:04:59,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 06:04:59,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 06:04:59,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 06:04:59,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 06:04:59,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 06:04:59,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 06:04:59,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 06:04:59,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 06:04:59,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 06:04:59,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 06:04:59,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 06:04:59,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 06:04:59,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 06:04:59,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 06:04:59,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-13 06:04:59,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 06:04:59,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 06:04:59,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 06:04:59,544 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-RepeatedSemanticLbe.epf [2022-12-13 06:04:59,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 06:04:59,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 06:04:59,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 06:04:59,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 06:04:59,574 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 06:04:59,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 06:04:59,574 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 06:04:59,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 06:04:59,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 06:04:59,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 06:04:59,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 06:04:59,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 06:04:59,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 06:04:59,575 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 06:04:59,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 06:04:59,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 06:04:59,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 06:04:59,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 06:04:59,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 06:04:59,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 06:04:59,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 06:04:59,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:04:59,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 06:04:59,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 06:04:59,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 06:04:59,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 06:04:59,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 06:04:59,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 06:04:59,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-13 06:04:59,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 06:04:59,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 06:04:59,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 06:04:59,869 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 06:04:59,869 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 06:04:59,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2022-12-13 06:05:00,977 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 06:05:01,170 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 06:05:01,170 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2022-12-13 06:05:01,180 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e3c67436/84bc86edbcbb4c1ca878330eb3e6b243/FLAG1613461d7 [2022-12-13 06:05:01,193 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e3c67436/84bc86edbcbb4c1ca878330eb3e6b243 [2022-12-13 06:05:01,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 06:05:01,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 06:05:01,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 06:05:01,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 06:05:01,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 06:05:01,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b2d025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01, skipping insertion in model container [2022-12-13 06:05:01,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 06:05:01,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:05:01,349 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 06:05:01,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,454 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,466 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] [2022-12-13 06:05:01,471 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,477 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,477 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,477 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,481 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,481 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,481 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,483 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] [2022-12-13 06:05:01,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:05:01,503 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 06:05:01,521 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 06:05:01,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,545 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] [2022-12-13 06:05:01,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,553 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,559 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] [2022-12-13 06:05:01,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:01,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:01,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:05:01,592 INFO L208 MainTranslator]: Completed translation [2022-12-13 06:05:01,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01 WrapperNode [2022-12-13 06:05:01,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 06:05:01,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 06:05:01,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 06:05:01,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 06:05:01,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,628 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-12-13 06:05:01,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 06:05:01,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 06:05:01,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 06:05:01,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 06:05:01,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,653 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 06:05:01,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 06:05:01,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 06:05:01,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 06:05:01,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (1/1) ... [2022-12-13 06:05:01,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:05:01,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 06:05:01,682 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) [2022-12-13 06:05:01,717 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 [2022-12-13 06:05:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 06:05:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-12-13 06:05:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 06:05:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 06:05:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 06:05:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 06:05:01,740 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 06:05:01,824 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 06:05:01,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 06:05:01,968 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 06:05:01,974 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 06:05:01,974 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-13 06:05:01,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:05:01 BoogieIcfgContainer [2022-12-13 06:05:01,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 06:05:01,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 06:05:01,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 06:05:01,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 06:05:01,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:05:01" (1/3) ... [2022-12-13 06:05:01,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abb0fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:05:01, skipping insertion in model container [2022-12-13 06:05:01,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:01" (2/3) ... [2022-12-13 06:05:01,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2abb0fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:05:01, skipping insertion in model container [2022-12-13 06:05:01,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:05:01" (3/3) ... [2022-12-13 06:05:01,982 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2022-12-13 06:05:02,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 06:05:02,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 06:05:02,008 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 06:05:02,089 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 06:05:02,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 129 transitions, 274 flow [2022-12-13 06:05:02,183 INFO L130 PetriNetUnfolder]: 24/127 cut-off events. [2022-12-13 06:05:02,184 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 06:05:02,190 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. [2022-12-13 06:05:02,190 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 129 transitions, 274 flow [2022-12-13 06:05:02,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 118 transitions, 245 flow [2022-12-13 06:05:02,195 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:02,221 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 118 transitions, 245 flow [2022-12-13 06:05:02,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 118 transitions, 245 flow [2022-12-13 06:05:02,279 INFO L130 PetriNetUnfolder]: 24/118 cut-off events. [2022-12-13 06:05:02,280 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 06:05:02,281 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. [2022-12-13 06:05:02,285 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 118 transitions, 245 flow [2022-12-13 06:05:02,285 INFO L226 LiptonReduction]: Number of co-enabled transitions 4988 [2022-12-13 06:05:04,069 INFO L241 LiptonReduction]: Total number of compositions: 66 [2022-12-13 06:05:04,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 06:05:04,085 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;@29f6d407, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 06:05:04,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 06:05:04,088 INFO L130 PetriNetUnfolder]: 3/17 cut-off events. [2022-12-13 06:05:04,088 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:05:04,088 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:04,089 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 06:05:04,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:04,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:04,092 INFO L85 PathProgramCache]: Analyzing trace with hash 16858761, now seen corresponding path program 1 times [2022-12-13 06:05:04,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:04,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647003835] [2022-12-13 06:05:04,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:04,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:04,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:04,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:04,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647003835] [2022-12-13 06:05:04,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647003835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:04,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:04,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:05:04,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263754833] [2022-12-13 06:05:04,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:04,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 06:05:04,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:04,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 06:05:04,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 06:05:04,232 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 99 [2022-12-13 06:05:04,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 99 transitions, 207 flow. Second operand has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:05:04,234 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:04,234 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 99 [2022-12-13 06:05:04,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:04,515 INFO L130 PetriNetUnfolder]: 2493/4583 cut-off events. [2022-12-13 06:05:04,515 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-13 06:05:04,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8128 conditions, 4583 events. 2493/4583 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 33000 event pairs, 1446 based on Foata normal form. 0/2851 useless extension candidates. Maximal degree in co-relation 7894. Up to 3490 conditions per place. [2022-12-13 06:05:04,542 INFO L137 encePairwiseOnDemand]: 89/99 looper letters, 52 selfloop transitions, 0 changer transitions 0/89 dead transitions. [2022-12-13 06:05:04,542 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 291 flow [2022-12-13 06:05:04,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:05:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 06:05:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 136 transitions. [2022-12-13 06:05:04,551 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6868686868686869 [2022-12-13 06:05:04,553 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -1 predicate places. [2022-12-13 06:05:04,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 89 transitions, 291 flow [2022-12-13 06:05:04,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 89 transitions, 291 flow [2022-12-13 06:05:04,589 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:04,590 INFO L89 Accepts]: Start accepts. Operand has 85 places, 89 transitions, 291 flow [2022-12-13 06:05:04,592 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:04,592 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:04,592 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 89 transitions, 291 flow [2022-12-13 06:05:04,597 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 89 transitions, 291 flow [2022-12-13 06:05:04,597 INFO L226 LiptonReduction]: Number of co-enabled transitions 2646 [2022-12-13 06:05:04,630 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:05:04,632 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 43 [2022-12-13 06:05:04,632 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 89 transitions, 291 flow [2022-12-13 06:05:04,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:05:04,632 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:04,632 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:04,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 06:05:04,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:04,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:04,633 INFO L85 PathProgramCache]: Analyzing trace with hash -410138498, now seen corresponding path program 1 times [2022-12-13 06:05:04,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:04,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182837485] [2022-12-13 06:05:04,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:04,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:04,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:04,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182837485] [2022-12-13 06:05:04,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182837485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:04,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:04,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:05:04,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562463538] [2022-12-13 06:05:04,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:04,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:05:04,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:04,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:05:04,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:05:04,698 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 89 [2022-12-13 06:05:04,698 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 89 transitions, 291 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-12-13 06:05:04,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:04,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 89 [2022-12-13 06:05:04,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:05,034 INFO L130 PetriNetUnfolder]: 2946/5098 cut-off events. [2022-12-13 06:05:05,034 INFO L131 PetriNetUnfolder]: For 731/917 co-relation queries the response was YES. [2022-12-13 06:05:05,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13305 conditions, 5098 events. 2946/5098 cut-off events. For 731/917 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 35179 event pairs, 1206 based on Foata normal form. 65/3233 useless extension candidates. Maximal degree in co-relation 12882. Up to 3919 conditions per place. [2022-12-13 06:05:05,058 INFO L137 encePairwiseOnDemand]: 82/89 looper letters, 73 selfloop transitions, 5 changer transitions 9/119 dead transitions. [2022-12-13 06:05:05,059 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 119 transitions, 582 flow [2022-12-13 06:05:05,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:05:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:05:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions. [2022-12-13 06:05:05,060 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6928838951310862 [2022-12-13 06:05:05,061 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, 1 predicate places. [2022-12-13 06:05:05,061 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 119 transitions, 582 flow [2022-12-13 06:05:05,077 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 110 transitions, 530 flow [2022-12-13 06:05:05,170 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:05,170 INFO L89 Accepts]: Start accepts. Operand has 81 places, 110 transitions, 530 flow [2022-12-13 06:05:05,171 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:05,171 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:05,171 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 110 transitions, 530 flow [2022-12-13 06:05:05,174 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 110 transitions, 530 flow [2022-12-13 06:05:05,174 INFO L226 LiptonReduction]: Number of co-enabled transitions 2272 [2022-12-13 06:05:05,197 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:05:05,198 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 28 [2022-12-13 06:05:05,198 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 110 transitions, 530 flow [2022-12-13 06:05:05,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-12-13 06:05:05,199 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:05,199 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:05,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 06:05:05,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:05,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:05,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1814701919, now seen corresponding path program 1 times [2022-12-13 06:05:05,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:05,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406006166] [2022-12-13 06:05:05,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:05,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:05,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:05,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406006166] [2022-12-13 06:05:05,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406006166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:05,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:05,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:05:05,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735355881] [2022-12-13 06:05:05,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:05,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:05:05,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:05,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:05:05,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:05:05,285 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 83 [2022-12-13 06:05:05,285 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 110 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2022-12-13 06:05:05,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:05,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 83 [2022-12-13 06:05:05,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:05,574 INFO L130 PetriNetUnfolder]: 2120/3808 cut-off events. [2022-12-13 06:05:05,574 INFO L131 PetriNetUnfolder]: For 1383/1773 co-relation queries the response was YES. [2022-12-13 06:05:05,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12774 conditions, 3808 events. 2120/3808 cut-off events. For 1383/1773 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 25760 event pairs, 867 based on Foata normal form. 136/2663 useless extension candidates. Maximal degree in co-relation 12361. Up to 2857 conditions per place. [2022-12-13 06:05:05,594 INFO L137 encePairwiseOnDemand]: 76/83 looper letters, 58 selfloop transitions, 4 changer transitions 13/107 dead transitions. [2022-12-13 06:05:05,595 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 107 transitions, 666 flow [2022-12-13 06:05:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:05:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:05:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2022-12-13 06:05:05,597 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6987951807228916 [2022-12-13 06:05:05,598 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -4 predicate places. [2022-12-13 06:05:05,598 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 107 transitions, 666 flow [2022-12-13 06:05:05,610 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 94 transitions, 561 flow [2022-12-13 06:05:05,632 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:05,632 INFO L89 Accepts]: Start accepts. Operand has 77 places, 94 transitions, 561 flow [2022-12-13 06:05:05,634 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:05,634 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:05,634 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 94 transitions, 561 flow [2022-12-13 06:05:05,637 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 94 transitions, 561 flow [2022-12-13 06:05:05,638 INFO L226 LiptonReduction]: Number of co-enabled transitions 2032 [2022-12-13 06:05:05,659 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:05:05,660 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 28 [2022-12-13 06:05:05,660 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 94 transitions, 561 flow [2022-12-13 06:05:05,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2022-12-13 06:05:05,661 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:05,661 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:05,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 06:05:05,661 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:05,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1345704702, now seen corresponding path program 1 times [2022-12-13 06:05:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:05,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936336097] [2022-12-13 06:05:05,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:05,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:05,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:05,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936336097] [2022-12-13 06:05:05,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936336097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:05,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:05,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 06:05:05,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987207190] [2022-12-13 06:05:05,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:05,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:05:05,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:05,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:05:05,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:05:05,747 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 77 [2022-12-13 06:05:05,747 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 94 transitions, 561 flow. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-12-13 06:05:05,747 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:05,747 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 77 [2022-12-13 06:05:05,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:06,126 INFO L130 PetriNetUnfolder]: 3101/5733 cut-off events. [2022-12-13 06:05:06,126 INFO L131 PetriNetUnfolder]: For 5208/5481 co-relation queries the response was YES. [2022-12-13 06:05:06,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22801 conditions, 5733 events. 3101/5733 cut-off events. For 5208/5481 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 42952 event pairs, 726 based on Foata normal form. 98/4314 useless extension candidates. Maximal degree in co-relation 22055. Up to 4041 conditions per place. [2022-12-13 06:05:06,152 INFO L137 encePairwiseOnDemand]: 72/77 looper letters, 103 selfloop transitions, 3 changer transitions 4/142 dead transitions. [2022-12-13 06:05:06,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 142 transitions, 1144 flow [2022-12-13 06:05:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:05:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:05:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2022-12-13 06:05:06,154 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7575757575757576 [2022-12-13 06:05:06,154 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2022-12-13 06:05:06,154 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 142 transitions, 1144 flow [2022-12-13 06:05:06,214 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 138 transitions, 1128 flow [2022-12-13 06:05:06,240 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:06,241 INFO L89 Accepts]: Start accepts. Operand has 77 places, 138 transitions, 1128 flow [2022-12-13 06:05:06,242 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:06,242 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:06,242 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 138 transitions, 1128 flow [2022-12-13 06:05:06,246 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 138 transitions, 1128 flow [2022-12-13 06:05:06,246 INFO L226 LiptonReduction]: Number of co-enabled transitions 2468 [2022-12-13 06:05:06,268 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:05:06,269 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 29 [2022-12-13 06:05:06,269 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 138 transitions, 1128 flow [2022-12-13 06:05:06,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-12-13 06:05:06,270 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:06,270 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:06,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 06:05:06,270 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:06,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:06,270 INFO L85 PathProgramCache]: Analyzing trace with hash -224447644, now seen corresponding path program 2 times [2022-12-13 06:05:06,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:06,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273263842] [2022-12-13 06:05:06,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:06,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:06,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:06,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:06,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273263842] [2022-12-13 06:05:06,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273263842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:06,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:06,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 06:05:06,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003634300] [2022-12-13 06:05:06,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:06,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:05:06,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:06,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:05:06,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:05:06,298 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 75 [2022-12-13 06:05:06,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 138 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-12-13 06:05:06,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:06,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 75 [2022-12-13 06:05:06,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:07,088 INFO L130 PetriNetUnfolder]: 6227/10632 cut-off events. [2022-12-13 06:05:07,088 INFO L131 PetriNetUnfolder]: For 19359/19772 co-relation queries the response was YES. [2022-12-13 06:05:07,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49507 conditions, 10632 events. 6227/10632 cut-off events. For 19359/19772 co-relation queries the response was YES. Maximal size of possible extension queue 514. Compared 75000 event pairs, 1085 based on Foata normal form. 243/8129 useless extension candidates. Maximal degree in co-relation 48578. Up to 7222 conditions per place. [2022-12-13 06:05:07,132 INFO L137 encePairwiseOnDemand]: 66/75 looper letters, 170 selfloop transitions, 8 changer transitions 18/223 dead transitions. [2022-12-13 06:05:07,133 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 223 transitions, 2309 flow [2022-12-13 06:05:07,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:05:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:05:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-12-13 06:05:07,134 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2022-12-13 06:05:07,134 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2022-12-13 06:05:07,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 223 transitions, 2309 flow [2022-12-13 06:05:07,162 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 205 transitions, 2093 flow [2022-12-13 06:05:07,218 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:07,218 INFO L89 Accepts]: Start accepts. Operand has 79 places, 205 transitions, 2093 flow [2022-12-13 06:05:07,219 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:07,219 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:07,219 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 205 transitions, 2093 flow [2022-12-13 06:05:07,227 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 205 transitions, 2093 flow [2022-12-13 06:05:07,227 INFO L226 LiptonReduction]: Number of co-enabled transitions 2568 [2022-12-13 06:05:07,238 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:05:07,239 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 21 [2022-12-13 06:05:07,240 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 205 transitions, 2093 flow [2022-12-13 06:05:07,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-12-13 06:05:07,240 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:07,240 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:07,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 06:05:07,240 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1800915650, now seen corresponding path program 3 times [2022-12-13 06:05:07,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:07,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118170127] [2022-12-13 06:05:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:07,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:07,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:07,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118170127] [2022-12-13 06:05:07,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118170127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:07,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:07,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 06:05:07,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588187368] [2022-12-13 06:05:07,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:07,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:05:07,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:07,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:05:07,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:05:07,270 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 75 [2022-12-13 06:05:07,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 205 transitions, 2093 flow. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-12-13 06:05:07,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:07,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 75 [2022-12-13 06:05:07,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:07,879 INFO L130 PetriNetUnfolder]: 5147/9143 cut-off events. [2022-12-13 06:05:07,879 INFO L131 PetriNetUnfolder]: For 20093/20674 co-relation queries the response was YES. [2022-12-13 06:05:07,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49536 conditions, 9143 events. 5147/9143 cut-off events. For 20093/20674 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 66654 event pairs, 667 based on Foata normal form. 123/7019 useless extension candidates. Maximal degree in co-relation 48269. Up to 6108 conditions per place. [2022-12-13 06:05:07,918 INFO L137 encePairwiseOnDemand]: 66/75 looper letters, 171 selfloop transitions, 11 changer transitions 60/269 dead transitions. [2022-12-13 06:05:07,918 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 269 transitions, 3311 flow [2022-12-13 06:05:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:05:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:05:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2022-12-13 06:05:07,919 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6888888888888889 [2022-12-13 06:05:07,920 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -5 predicate places. [2022-12-13 06:05:07,920 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 269 transitions, 3311 flow [2022-12-13 06:05:08,008 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 209 transitions, 2489 flow [2022-12-13 06:05:08,052 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:08,052 INFO L89 Accepts]: Start accepts. Operand has 81 places, 209 transitions, 2489 flow [2022-12-13 06:05:08,053 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:08,053 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:08,054 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 209 transitions, 2489 flow [2022-12-13 06:05:08,061 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 209 transitions, 2489 flow [2022-12-13 06:05:08,061 INFO L226 LiptonReduction]: Number of co-enabled transitions 2350 [2022-12-13 06:05:08,067 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:05:08,069 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 17 [2022-12-13 06:05:08,069 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 209 transitions, 2489 flow [2022-12-13 06:05:08,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-12-13 06:05:08,069 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:08,069 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:08,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 06:05:08,070 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:08,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:08,074 INFO L85 PathProgramCache]: Analyzing trace with hash 945443714, now seen corresponding path program 4 times [2022-12-13 06:05:08,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:08,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475966922] [2022-12-13 06:05:08,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:08,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:08,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:08,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475966922] [2022-12-13 06:05:08,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475966922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:08,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:08,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 06:05:08,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453923469] [2022-12-13 06:05:08,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:08,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:05:08,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:08,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:05:08,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:05:08,128 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 75 [2022-12-13 06:05:08,128 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 209 transitions, 2489 flow. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-12-13 06:05:08,128 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:08,128 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 75 [2022-12-13 06:05:08,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:08,617 INFO L130 PetriNetUnfolder]: 3645/6976 cut-off events. [2022-12-13 06:05:08,617 INFO L131 PetriNetUnfolder]: For 22930/23541 co-relation queries the response was YES. [2022-12-13 06:05:08,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41644 conditions, 6976 events. 3645/6976 cut-off events. For 22930/23541 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 50383 event pairs, 340 based on Foata normal form. 230/5583 useless extension candidates. Maximal degree in co-relation 40581. Up to 4579 conditions per place. [2022-12-13 06:05:08,642 INFO L137 encePairwiseOnDemand]: 71/75 looper letters, 149 selfloop transitions, 3 changer transitions 0/194 dead transitions. [2022-12-13 06:05:08,642 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 194 transitions, 2566 flow [2022-12-13 06:05:08,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:05:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:05:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-12-13 06:05:08,644 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2022-12-13 06:05:08,644 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -3 predicate places. [2022-12-13 06:05:08,644 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 194 transitions, 2566 flow [2022-12-13 06:05:08,660 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 194 transitions, 2566 flow [2022-12-13 06:05:08,694 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:08,694 INFO L89 Accepts]: Start accepts. Operand has 83 places, 194 transitions, 2566 flow [2022-12-13 06:05:08,696 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:08,696 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:08,696 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 194 transitions, 2566 flow [2022-12-13 06:05:08,701 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 194 transitions, 2566 flow [2022-12-13 06:05:08,701 INFO L226 LiptonReduction]: Number of co-enabled transitions 1820 [2022-12-13 06:05:08,741 INFO L241 LiptonReduction]: Total number of compositions: 2 [2022-12-13 06:05:08,742 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 48 [2022-12-13 06:05:08,742 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 192 transitions, 2562 flow [2022-12-13 06:05:08,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-12-13 06:05:08,743 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:08,743 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:08,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 06:05:08,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:08,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2108223644, now seen corresponding path program 1 times [2022-12-13 06:05:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:08,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475934507] [2022-12-13 06:05:08,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:08,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:08,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475934507] [2022-12-13 06:05:08,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475934507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:08,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:08,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 06:05:08,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800330206] [2022-12-13 06:05:08,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:08,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 06:05:08,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:08,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 06:05:08,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 06:05:08,776 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 73 [2022-12-13 06:05:08,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 192 transitions, 2562 flow. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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) [2022-12-13 06:05:08,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:08,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 73 [2022-12-13 06:05:08,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:09,350 INFO L130 PetriNetUnfolder]: 3416/6266 cut-off events. [2022-12-13 06:05:09,350 INFO L131 PetriNetUnfolder]: For 32031/32284 co-relation queries the response was YES. [2022-12-13 06:05:09,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42193 conditions, 6266 events. 3416/6266 cut-off events. For 32031/32284 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 42591 event pairs, 271 based on Foata normal form. 56/4884 useless extension candidates. Maximal degree in co-relation 41134. Up to 4089 conditions per place. [2022-12-13 06:05:09,374 INFO L137 encePairwiseOnDemand]: 64/73 looper letters, 95 selfloop transitions, 6 changer transitions 143/277 dead transitions. [2022-12-13 06:05:09,374 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 277 transitions, 4314 flow [2022-12-13 06:05:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 06:05:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 06:05:09,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 226 transitions. [2022-12-13 06:05:09,375 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6191780821917808 [2022-12-13 06:05:09,376 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -1 predicate places. [2022-12-13 06:05:09,376 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 277 transitions, 4314 flow [2022-12-13 06:05:09,390 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 134 transitions, 1956 flow [2022-12-13 06:05:09,441 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:09,442 INFO L89 Accepts]: Start accepts. Operand has 73 places, 134 transitions, 1956 flow [2022-12-13 06:05:09,443 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:09,443 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:09,444 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 134 transitions, 1956 flow [2022-12-13 06:05:09,449 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 134 transitions, 1956 flow [2022-12-13 06:05:09,449 INFO L226 LiptonReduction]: Number of co-enabled transitions 964 [2022-12-13 06:05:09,473 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 06:05:09,474 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 33 [2022-12-13 06:05:09,474 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 134 transitions, 1956 flow [2022-12-13 06:05:09,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 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) [2022-12-13 06:05:09,474 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:09,475 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:09,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 06:05:09,475 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:09,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:09,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1587512147, now seen corresponding path program 1 times [2022-12-13 06:05:09,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:09,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097848768] [2022-12-13 06:05:09,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:09,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:09,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:09,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:09,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097848768] [2022-12-13 06:05:09,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097848768] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:09,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:09,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 06:05:09,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554419821] [2022-12-13 06:05:09,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:09,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 06:05:09,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:09,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 06:05:09,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 06:05:09,519 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 57 [2022-12-13 06:05:09,519 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 134 transitions, 1956 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-12-13 06:05:09,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:09,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 57 [2022-12-13 06:05:09,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:09,722 INFO L130 PetriNetUnfolder]: 1306/2364 cut-off events. [2022-12-13 06:05:09,722 INFO L131 PetriNetUnfolder]: For 15589/15706 co-relation queries the response was YES. [2022-12-13 06:05:09,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17272 conditions, 2364 events. 1306/2364 cut-off events. For 15589/15706 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 12980 event pairs, 103 based on Foata normal form. 20/1880 useless extension candidates. Maximal degree in co-relation 16952. Up to 1808 conditions per place. [2022-12-13 06:05:09,730 INFO L137 encePairwiseOnDemand]: 49/57 looper letters, 0 selfloop transitions, 0 changer transitions 174/174 dead transitions. [2022-12-13 06:05:09,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 174 transitions, 2935 flow [2022-12-13 06:05:09,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 06:05:09,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 06:05:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 172 transitions. [2022-12-13 06:05:09,731 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6035087719298246 [2022-12-13 06:05:09,732 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -11 predicate places. [2022-12-13 06:05:09,732 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 174 transitions, 2935 flow [2022-12-13 06:05:09,736 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-13 06:05:09,751 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:09,751 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 06:05:09,751 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 06:05:09,751 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 06:05:09,754 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:05:09,755 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-13 06:05:09,755 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 06:05:09,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2022-12-13 06:05:09,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-13 06:05:09,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-13 06:05:09,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-13 06:05:09,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-13 06:05:09,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-13 06:05:09,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-13 06:05:09,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 06:05:09,761 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-12-13 06:05:09,765 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 06:05:09,765 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 06:05:09,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:05:09 BasicIcfg [2022-12-13 06:05:09,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 06:05:09,767 INFO L158 Benchmark]: Toolchain (without parser) took 8570.90ms. Allocated memory was 181.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 156.5MB in the beginning and 762.6MB in the end (delta: -606.2MB). Peak memory consumption was 483.8MB. Max. memory is 8.0GB. [2022-12-13 06:05:09,767 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 158.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 06:05:09,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.46ms. Allocated memory is still 181.4MB. Free memory was 156.5MB in the beginning and 128.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-12-13 06:05:09,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.99ms. Allocated memory is still 181.4MB. Free memory was 128.2MB in the beginning and 126.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 06:05:09,768 INFO L158 Benchmark]: Boogie Preprocessor took 27.77ms. Allocated memory is still 181.4MB. Free memory was 126.1MB in the beginning and 124.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 06:05:09,768 INFO L158 Benchmark]: RCFGBuilder took 319.49ms. Allocated memory is still 181.4MB. Free memory was 124.5MB in the beginning and 109.3MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-12-13 06:05:09,768 INFO L158 Benchmark]: TraceAbstraction took 7789.18ms. Allocated memory was 181.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 108.2MB in the beginning and 762.6MB in the end (delta: -654.4MB). Peak memory consumption was 435.6MB. Max. memory is 8.0GB. [2022-12-13 06:05:09,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 158.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 395.46ms. Allocated memory is still 181.4MB. Free memory was 156.5MB in the beginning and 128.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.99ms. Allocated memory is still 181.4MB. Free memory was 128.2MB in the beginning and 126.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.77ms. Allocated memory is still 181.4MB. Free memory was 126.1MB in the beginning and 124.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 319.49ms. Allocated memory is still 181.4MB. Free memory was 124.5MB in the beginning and 109.3MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7789.18ms. Allocated memory was 181.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 108.2MB in the beginning and 762.6MB in the end (delta: -654.4MB). Peak memory consumption was 435.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 101 PlacesBefore, 86 PlacesAfterwards, 118 TransitionsBefore, 99 TransitionsAfterwards, 4988 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 31 ConcurrentYvCompositions, 7 ChoiceCompositions, 66 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5779, independent: 5574, independent conditional: 5574, independent unconditional: 0, dependent: 205, dependent conditional: 205, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5779, independent: 5574, independent conditional: 0, independent unconditional: 5574, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5779, independent: 5574, independent conditional: 0, independent unconditional: 5574, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5779, independent: 5574, independent conditional: 0, independent unconditional: 5574, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3129, independent: 3058, independent conditional: 0, independent unconditional: 3058, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3129, independent: 3035, independent conditional: 0, independent unconditional: 3035, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 94, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 96, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5779, independent: 2516, independent conditional: 0, independent unconditional: 2516, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 3129, unknown conditional: 0, unknown unconditional: 3129] , Statistics on independence cache: Total cache size (in pairs): 5056, Positive cache size: 4985, Positive conditional cache size: 0, Positive unconditional cache size: 4985, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, 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, 85 PlacesBefore, 85 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 2646 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 459, independent: 426, independent conditional: 426, independent unconditional: 0, dependent: 33, dependent conditional: 33, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 459, independent: 426, independent conditional: 0, independent unconditional: 426, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 459, independent: 426, independent conditional: 0, independent unconditional: 426, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 459, independent: 426, independent conditional: 0, independent unconditional: 426, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 319, independent: 297, independent conditional: 0, independent unconditional: 297, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 319, independent: 295, independent conditional: 0, independent unconditional: 295, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 459, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 319, unknown conditional: 0, unknown unconditional: 319] , Statistics on independence cache: Total cache size (in pairs): 319, Positive cache size: 297, Positive conditional cache size: 0, Positive unconditional cache size: 297, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, 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, 81 PlacesBefore, 81 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 501, independent: 464, independent conditional: 464, independent unconditional: 0, dependent: 37, dependent conditional: 37, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 501, independent: 464, independent conditional: 209, independent unconditional: 255, dependent: 37, dependent conditional: 18, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 501, independent: 464, independent conditional: 2, independent unconditional: 462, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 501, independent: 464, independent conditional: 2, independent unconditional: 462, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 136, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 136, independent: 127, independent conditional: 0, independent unconditional: 127, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, 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: 501, independent: 337, independent conditional: 2, independent unconditional: 335, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 136, unknown conditional: 0, unknown unconditional: 136] , Statistics on independence cache: Total cache size (in pairs): 455, Positive cache size: 424, Positive conditional cache size: 0, Positive unconditional cache size: 424, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 225, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 77 PlacesBefore, 77 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 2032 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376, independent: 344, independent conditional: 344, 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: 376, independent: 344, independent conditional: 208, independent unconditional: 136, dependent: 32, dependent conditional: 19, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 376, independent: 344, independent conditional: 2, independent unconditional: 342, 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: 376, independent: 344, independent conditional: 2, independent unconditional: 342, 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: 41, independent: 31, independent conditional: 0, independent unconditional: 31, 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: 41, independent: 31, independent conditional: 0, independent unconditional: 31, 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: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 376, independent: 313, independent conditional: 2, independent unconditional: 311, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 41, unknown conditional: 0, unknown unconditional: 41] , Statistics on independence cache: Total cache size (in pairs): 496, Positive cache size: 455, Positive conditional cache size: 0, Positive unconditional cache size: 455, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 225, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 77 PlacesBefore, 77 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 2468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 441, independent: 410, independent conditional: 410, independent unconditional: 0, dependent: 31, dependent conditional: 31, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 441, independent: 410, independent conditional: 275, independent unconditional: 135, dependent: 31, dependent conditional: 18, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 446, independent: 410, independent conditional: 2, independent unconditional: 408, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 446, independent: 410, independent conditional: 2, independent unconditional: 408, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 91, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 91, independent: 87, independent conditional: 0, independent unconditional: 87, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 446, independent: 322, independent conditional: 2, independent unconditional: 320, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 91, unknown conditional: 0, unknown unconditional: 91] , Statistics on independence cache: Total cache size (in pairs): 587, Positive cache size: 543, Positive conditional cache size: 0, Positive unconditional cache size: 543, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 296, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 79 PlacesBefore, 79 PlacesAfterwards, 205 TransitionsBefore, 205 TransitionsAfterwards, 2568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103, independent: 94, independent conditional: 94, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 103, independent: 94, independent conditional: 60, independent unconditional: 34, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 103, independent: 94, independent conditional: 14, independent unconditional: 80, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 103, independent: 94, independent conditional: 14, independent unconditional: 80, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, independent: 17, independent conditional: 2, independent unconditional: 15, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, independent: 77, independent conditional: 12, independent unconditional: 65, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 19, unknown conditional: 2, unknown unconditional: 17] , Statistics on independence cache: Total cache size (in pairs): 606, Positive cache size: 560, Positive conditional cache size: 2, Positive unconditional cache size: 558, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 81 PlacesBefore, 81 PlacesAfterwards, 209 TransitionsBefore, 209 TransitionsAfterwards, 2350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, independent: 59, independent conditional: 59, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 68, independent: 59, independent conditional: 40, independent unconditional: 19, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 73, independent: 59, independent conditional: 11, independent unconditional: 48, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 73, independent: 59, independent conditional: 11, independent unconditional: 48, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, independent: 14, independent conditional: 2, independent unconditional: 12, 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: 14, independent: 14, independent conditional: 0, independent unconditional: 14, 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: 73, independent: 45, independent conditional: 9, independent unconditional: 36, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 14, unknown conditional: 2, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 620, Positive cache size: 574, Positive conditional cache size: 4, Positive unconditional cache size: 570, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 38, Maximal queried relation: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 83 PlacesBefore, 81 PlacesAfterwards, 194 TransitionsBefore, 192 TransitionsAfterwards, 1820 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, independent: 112, independent conditional: 112, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 116, independent: 112, independent conditional: 91, independent unconditional: 21, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116, independent: 112, independent conditional: 18, independent unconditional: 94, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116, independent: 112, independent conditional: 18, independent unconditional: 94, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, independent: 5, independent conditional: 2, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, independent: 5, independent conditional: 0, independent unconditional: 5, 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: 0, dependent unconditional: 1, 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: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116, independent: 107, independent conditional: 16, independent unconditional: 91, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 612, Positive conditional cache size: 7, Positive unconditional cache size: 605, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 73, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 73 PlacesBefore, 73 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 964 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 8, 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: 8, independent: 8, independent conditional: 2, independent unconditional: 6, 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: 8, independent: 8, independent conditional: 0, independent unconditional: 8, 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: 8, independent: 8, independent conditional: 0, independent unconditional: 8, 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: 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: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 667, Positive cache size: 620, Positive conditional cache size: 7, Positive unconditional cache size: 613, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, 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): 667, Positive cache size: 620, Positive conditional cache size: 7, Positive unconditional cache size: 613, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, 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: 7.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 261 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 261 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1016 IncrementalHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 43 mSDtfsCounter, 1016 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=2566occurred in iteration=7, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 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! [2022-12-13 06:05:09,814 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...