/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 -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 00:32:06,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 00:32:06,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 00:32:06,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-12-13 00:32:06,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 00:32:06,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 00:32:06,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 00:32:06,597 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 00:32:06,628 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 00:32:06,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 00:32:06,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 00:32:06,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 00:32:06,630 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 00:32:06,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 00:32:06,631 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 00:32:06,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 00:32:06,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 00:32:06,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 00:32:06,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 00:32:06,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 00:32:06,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 00:32:06,632 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 00:32:06,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 00:32:06,633 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 00:32:06,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 00:32:06,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 00:32:06,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 00:32:06,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 00:32:06,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 00:32:06,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 00:32:06,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 00:32:06,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 00:32:06,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 00:32:06,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 00:32:06,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 00:32:06,634 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 00:32:06,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 00:32:06,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 00:32:06,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 00:32:06,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 00:32:06,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 00:32:06,986 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 00:32:06,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2022-12-13 00:32:08,065 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 00:32:08,321 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 00:32:08,321 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2022-12-13 00:32:08,331 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08e4de95b/e1d54eb4350245f988e79a925a8334a7/FLAG561579285 [2022-12-13 00:32:08,343 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08e4de95b/e1d54eb4350245f988e79a925a8334a7 [2022-12-13 00:32:08,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 00:32:08,346 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 00:32:08,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 00:32:08,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 00:32:08,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 00:32:08,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df4087c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08, skipping insertion in model container [2022-12-13 00:32:08,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 00:32:08,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 00:32:08,533 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 00:32:08,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,656 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,664 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 00:32:08,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,681 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 00:32:08,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 00:32:08,702 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 00:32:08,725 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 00:32:08,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,756 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 00:32:08,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,767 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,772 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 00:32:08,773 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,773 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,773 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 00:32:08,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 00:32:08,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 00:32:08,822 INFO L208 MainTranslator]: Completed translation [2022-12-13 00:32:08,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08 WrapperNode [2022-12-13 00:32:08,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 00:32:08,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 00:32:08,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 00:32:08,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 00:32:08,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,867 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-12-13 00:32:08,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 00:32:08,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 00:32:08,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 00:32:08,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 00:32:08,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 00:32:08,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 00:32:08,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 00:32:08,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 00:32:08,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (1/1) ... [2022-12-13 00:32:08,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 00:32:08,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 00:32:08,957 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 00:32:08,967 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 00:32:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 00:32:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-12-13 00:32:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-12-13 00:32:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 00:32:08,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 00:32:08,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 00:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 00:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 00:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 00:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 00:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 00:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 00:32:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 00:32:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 00:32:08,994 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 00:32:09,093 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 00:32:09,095 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 00:32:09,328 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 00:32:09,334 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 00:32:09,334 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-13 00:32:09,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:32:09 BoogieIcfgContainer [2022-12-13 00:32:09,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 00:32:09,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 00:32:09,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 00:32:09,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 00:32:09,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:32:08" (1/3) ... [2022-12-13 00:32:09,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1194ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:32:09, skipping insertion in model container [2022-12-13 00:32:09,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:08" (2/3) ... [2022-12-13 00:32:09,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1194ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:32:09, skipping insertion in model container [2022-12-13 00:32:09,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:32:09" (3/3) ... [2022-12-13 00:32:09,358 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2022-12-13 00:32:09,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 00:32:09,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 00:32:09,378 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 00:32:09,483 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 00:32:09,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 129 transitions, 274 flow [2022-12-13 00:32:09,613 INFO L130 PetriNetUnfolder]: 24/127 cut-off events. [2022-12-13 00:32:09,613 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 00:32:09,622 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 00:32:09,622 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 129 transitions, 274 flow [2022-12-13 00:32:09,627 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 118 transitions, 245 flow [2022-12-13 00:32:09,628 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:09,656 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 118 transitions, 245 flow [2022-12-13 00:32:09,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 118 transitions, 245 flow [2022-12-13 00:32:09,707 INFO L130 PetriNetUnfolder]: 24/118 cut-off events. [2022-12-13 00:32:09,707 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 00:32:09,710 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 00:32:09,715 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 118 transitions, 245 flow [2022-12-13 00:32:09,715 INFO L226 LiptonReduction]: Number of co-enabled transitions 4988 [2022-12-13 00:32:12,238 INFO L241 LiptonReduction]: Total number of compositions: 66 [2022-12-13 00:32:12,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 00:32:12,256 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;@64bbebe8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 00:32:12,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 00:32:12,259 INFO L130 PetriNetUnfolder]: 3/17 cut-off events. [2022-12-13 00:32:12,260 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 00:32:12,260 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:12,260 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 00:32:12,261 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 00:32:12,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:12,265 INFO L85 PathProgramCache]: Analyzing trace with hash 16858761, now seen corresponding path program 1 times [2022-12-13 00:32:12,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:12,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293452316] [2022-12-13 00:32:12,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:12,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:12,402 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 00:32:12,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:12,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293452316] [2022-12-13 00:32:12,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293452316] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:12,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:12,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 00:32:12,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778318762] [2022-12-13 00:32:12,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:12,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 00:32:12,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:12,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 00:32:12,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 00:32:12,429 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 99 [2022-12-13 00:32:12,430 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 00:32:12,430 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:12,430 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 99 [2022-12-13 00:32:12,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:12,809 INFO L130 PetriNetUnfolder]: 2493/4583 cut-off events. [2022-12-13 00:32:12,810 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-13 00:32:12,817 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 00:32:12,837 INFO L137 encePairwiseOnDemand]: 89/99 looper letters, 52 selfloop transitions, 0 changer transitions 0/89 dead transitions. [2022-12-13 00:32:12,838 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 291 flow [2022-12-13 00:32:12,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 00:32:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 00:32:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 136 transitions. [2022-12-13 00:32:12,847 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6868686868686869 [2022-12-13 00:32:12,849 INFO L175 Difference]: Start difference. First operand has 86 places, 99 transitions, 207 flow. Second operand 2 states and 136 transitions. [2022-12-13 00:32:12,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 89 transitions, 291 flow [2022-12-13 00:32:12,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 89 transitions, 286 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 00:32:12,854 INFO L231 Difference]: Finished difference. Result has 82 places, 89 transitions, 182 flow [2022-12-13 00:32:12,856 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=182, PETRI_PLACES=82, PETRI_TRANSITIONS=89} [2022-12-13 00:32:12,859 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -4 predicate places. [2022-12-13 00:32:12,859 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:32:12,860 INFO L89 Accepts]: Start accepts. Operand has 82 places, 89 transitions, 182 flow [2022-12-13 00:32:12,862 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:32:12,862 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:12,862 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 89 transitions, 182 flow [2022-12-13 00:32:12,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 89 transitions, 182 flow [2022-12-13 00:32:12,869 INFO L130 PetriNetUnfolder]: 12/89 cut-off events. [2022-12-13 00:32:12,869 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 00:32:12,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 12/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 319 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 81. Up to 3 conditions per place. [2022-12-13 00:32:12,873 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 89 transitions, 182 flow [2022-12-13 00:32:12,873 INFO L226 LiptonReduction]: Number of co-enabled transitions 3940 [2022-12-13 00:32:12,932 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:32:12,934 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 75 [2022-12-13 00:32:12,934 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 89 transitions, 182 flow [2022-12-13 00:32:12,934 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 00:32:12,934 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:12,935 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:32:12,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 00:32:12,935 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 00:32:12,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:12,936 INFO L85 PathProgramCache]: Analyzing trace with hash -410138498, now seen corresponding path program 1 times [2022-12-13 00:32:12,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:12,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029667884] [2022-12-13 00:32:12,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:12,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:13,015 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 00:32:13,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:13,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029667884] [2022-12-13 00:32:13,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029667884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:13,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:13,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 00:32:13,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618159367] [2022-12-13 00:32:13,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:13,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:32:13,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:13,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:32:13,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:32:13,019 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 89 [2022-12-13 00:32:13,019 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 89 transitions, 182 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 00:32:13,019 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:13,019 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 89 [2022-12-13 00:32:13,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:13,377 INFO L130 PetriNetUnfolder]: 2957/5107 cut-off events. [2022-12-13 00:32:13,377 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-13 00:32:13,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9379 conditions, 5107 events. 2957/5107 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 35172 event pairs, 1212 based on Foata normal form. 0/3018 useless extension candidates. Maximal degree in co-relation 3161. Up to 3071 conditions per place. [2022-12-13 00:32:13,397 INFO L137 encePairwiseOnDemand]: 82/89 looper letters, 73 selfloop transitions, 5 changer transitions 9/119 dead transitions. [2022-12-13 00:32:13,398 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 119 transitions, 417 flow [2022-12-13 00:32:13,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:32:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:32:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions. [2022-12-13 00:32:13,400 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6928838951310862 [2022-12-13 00:32:13,400 INFO L175 Difference]: Start difference. First operand has 81 places, 89 transitions, 182 flow. Second operand 3 states and 185 transitions. [2022-12-13 00:32:13,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 119 transitions, 417 flow [2022-12-13 00:32:13,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 119 transitions, 417 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 00:32:13,403 INFO L231 Difference]: Finished difference. Result has 85 places, 85 transitions, 202 flow [2022-12-13 00:32:13,403 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=85, PETRI_TRANSITIONS=85} [2022-12-13 00:32:13,404 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -1 predicate places. [2022-12-13 00:32:13,404 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:32:13,404 INFO L89 Accepts]: Start accepts. Operand has 85 places, 85 transitions, 202 flow [2022-12-13 00:32:13,405 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:32:13,405 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:13,405 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 85 transitions, 202 flow [2022-12-13 00:32:13,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 85 transitions, 202 flow [2022-12-13 00:32:13,413 INFO L130 PetriNetUnfolder]: 14/113 cut-off events. [2022-12-13 00:32:13,413 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-12-13 00:32:13,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 113 events. 14/113 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 432 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 130. Up to 9 conditions per place. [2022-12-13 00:32:13,416 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 85 transitions, 202 flow [2022-12-13 00:32:13,416 INFO L226 LiptonReduction]: Number of co-enabled transitions 3328 [2022-12-13 00:32:13,435 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:32:13,436 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 32 [2022-12-13 00:32:13,437 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 85 transitions, 202 flow [2022-12-13 00:32:13,437 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 00:32:13,437 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:13,437 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:32:13,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 00:32:13,437 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 00:32:13,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:13,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1814701919, now seen corresponding path program 1 times [2022-12-13 00:32:13,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:13,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606570560] [2022-12-13 00:32:13,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:13,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:13,492 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 00:32:13,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:13,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606570560] [2022-12-13 00:32:13,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606570560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:13,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:13,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 00:32:13,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770408981] [2022-12-13 00:32:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:13,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:32:13,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:13,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:32:13,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:32:13,494 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 83 [2022-12-13 00:32:13,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 85 transitions, 202 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 00:32:13,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:13,495 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 83 [2022-12-13 00:32:13,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:13,784 INFO L130 PetriNetUnfolder]: 2178/3881 cut-off events. [2022-12-13 00:32:13,785 INFO L131 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2022-12-13 00:32:13,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7389 conditions, 3881 events. 2178/3881 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 26262 event pairs, 892 based on Foata normal form. 77/2606 useless extension candidates. Maximal degree in co-relation 5019. Up to 2339 conditions per place. [2022-12-13 00:32:13,800 INFO L137 encePairwiseOnDemand]: 76/83 looper letters, 58 selfloop transitions, 4 changer transitions 16/110 dead transitions. [2022-12-13 00:32:13,800 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 110 transitions, 409 flow [2022-12-13 00:32:13,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:32:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:32:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2022-12-13 00:32:13,802 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7108433734939759 [2022-12-13 00:32:13,802 INFO L175 Difference]: Start difference. First operand has 79 places, 85 transitions, 202 flow. Second operand 3 states and 177 transitions. [2022-12-13 00:32:13,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 110 transitions, 409 flow [2022-12-13 00:32:13,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 110 transitions, 399 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 00:32:13,807 INFO L231 Difference]: Finished difference. Result has 80 places, 79 transitions, 194 flow [2022-12-13 00:32:13,807 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=80, PETRI_TRANSITIONS=79} [2022-12-13 00:32:13,808 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -6 predicate places. [2022-12-13 00:32:13,808 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:32:13,808 INFO L89 Accepts]: Start accepts. Operand has 80 places, 79 transitions, 194 flow [2022-12-13 00:32:13,809 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:32:13,809 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:13,809 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 79 transitions, 194 flow [2022-12-13 00:32:13,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 79 transitions, 194 flow [2022-12-13 00:32:13,816 INFO L130 PetriNetUnfolder]: 15/112 cut-off events. [2022-12-13 00:32:13,817 INFO L131 PetriNetUnfolder]: For 11/14 co-relation queries the response was YES. [2022-12-13 00:32:13,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 112 events. 15/112 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 432 event pairs, 1 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 141. Up to 11 conditions per place. [2022-12-13 00:32:13,819 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 79 transitions, 194 flow [2022-12-13 00:32:13,819 INFO L226 LiptonReduction]: Number of co-enabled transitions 2850 [2022-12-13 00:32:13,831 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:32:13,833 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 25 [2022-12-13 00:32:13,833 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 79 transitions, 194 flow [2022-12-13 00:32:13,833 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 00:32:13,833 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:13,833 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 00:32:13,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 00:32:13,834 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 00:32:13,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:13,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1290160000, now seen corresponding path program 1 times [2022-12-13 00:32:13,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:13,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681434135] [2022-12-13 00:32:13,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:13,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:13,899 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 00:32:13,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:13,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681434135] [2022-12-13 00:32:13,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681434135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:13,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:13,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 00:32:13,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831498094] [2022-12-13 00:32:13,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:13,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:32:13,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:13,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:32:13,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:32:13,901 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 77 [2022-12-13 00:32:13,902 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 79 transitions, 194 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 00:32:13,902 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:13,902 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 77 [2022-12-13 00:32:13,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:14,284 INFO L130 PetriNetUnfolder]: 2851/5426 cut-off events. [2022-12-13 00:32:14,285 INFO L131 PetriNetUnfolder]: For 789/836 co-relation queries the response was YES. [2022-12-13 00:32:14,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10266 conditions, 5426 events. 2851/5426 cut-off events. For 789/836 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 41508 event pairs, 737 based on Foata normal form. 71/4010 useless extension candidates. Maximal degree in co-relation 9562. Up to 2335 conditions per place. [2022-12-13 00:32:14,309 INFO L137 encePairwiseOnDemand]: 72/77 looper letters, 75 selfloop transitions, 3 changer transitions 4/114 dead transitions. [2022-12-13 00:32:14,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 114 transitions, 445 flow [2022-12-13 00:32:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:32:14,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:32:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2022-12-13 00:32:14,311 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7575757575757576 [2022-12-13 00:32:14,311 INFO L175 Difference]: Start difference. First operand has 74 places, 79 transitions, 194 flow. Second operand 3 states and 175 transitions. [2022-12-13 00:32:14,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 114 transitions, 445 flow [2022-12-13 00:32:14,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 114 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 00:32:14,319 INFO L231 Difference]: Finished difference. Result has 77 places, 80 transitions, 214 flow [2022-12-13 00:32:14,319 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=77, PETRI_TRANSITIONS=80} [2022-12-13 00:32:14,320 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -9 predicate places. [2022-12-13 00:32:14,320 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:32:14,320 INFO L89 Accepts]: Start accepts. Operand has 77 places, 80 transitions, 214 flow [2022-12-13 00:32:14,321 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:32:14,321 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:14,321 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 80 transitions, 214 flow [2022-12-13 00:32:14,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 80 transitions, 214 flow [2022-12-13 00:32:14,338 INFO L130 PetriNetUnfolder]: 45/278 cut-off events. [2022-12-13 00:32:14,339 INFO L131 PetriNetUnfolder]: For 23/30 co-relation queries the response was YES. [2022-12-13 00:32:14,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 278 events. 45/278 cut-off events. For 23/30 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1664 event pairs, 3 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 380. Up to 22 conditions per place. [2022-12-13 00:32:14,342 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 80 transitions, 214 flow [2022-12-13 00:32:14,343 INFO L226 LiptonReduction]: Number of co-enabled transitions 2818 [2022-12-13 00:32:14,346 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:32:14,347 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 27 [2022-12-13 00:32:14,347 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 80 transitions, 214 flow [2022-12-13 00:32:14,347 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 00:32:14,348 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:14,348 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 00:32:14,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 00:32:14,348 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 00:32:14,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:14,348 INFO L85 PathProgramCache]: Analyzing trace with hash -220728574, now seen corresponding path program 2 times [2022-12-13 00:32:14,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:14,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970706361] [2022-12-13 00:32:14,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:14,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:14,397 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 00:32:14,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:14,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970706361] [2022-12-13 00:32:14,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970706361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:14,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:14,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 00:32:14,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663079941] [2022-12-13 00:32:14,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:14,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:32:14,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:14,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:32:14,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:32:14,399 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 75 [2022-12-13 00:32:14,400 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 80 transitions, 214 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 00:32:14,400 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:14,400 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 75 [2022-12-13 00:32:14,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:14,953 INFO L130 PetriNetUnfolder]: 5342/9530 cut-off events. [2022-12-13 00:32:14,953 INFO L131 PetriNetUnfolder]: For 1103/1218 co-relation queries the response was YES. [2022-12-13 00:32:14,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19208 conditions, 9530 events. 5342/9530 cut-off events. For 1103/1218 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 69410 event pairs, 2057 based on Foata normal form. 100/7242 useless extension candidates. Maximal degree in co-relation 12144. Up to 5091 conditions per place. [2022-12-13 00:32:15,002 INFO L137 encePairwiseOnDemand]: 66/75 looper letters, 85 selfloop transitions, 7 changer transitions 2/121 dead transitions. [2022-12-13 00:32:15,002 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 121 transitions, 508 flow [2022-12-13 00:32:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:32:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:32:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-12-13 00:32:15,004 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2022-12-13 00:32:15,004 INFO L175 Difference]: Start difference. First operand has 75 places, 80 transitions, 214 flow. Second operand 3 states and 165 transitions. [2022-12-13 00:32:15,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 121 transitions, 508 flow [2022-12-13 00:32:15,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 121 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 00:32:15,011 INFO L231 Difference]: Finished difference. Result has 76 places, 85 transitions, 259 flow [2022-12-13 00:32:15,011 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=76, PETRI_TRANSITIONS=85} [2022-12-13 00:32:15,012 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -10 predicate places. [2022-12-13 00:32:15,012 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:32:15,012 INFO L89 Accepts]: Start accepts. Operand has 76 places, 85 transitions, 259 flow [2022-12-13 00:32:15,013 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:32:15,013 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:15,013 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 85 transitions, 259 flow [2022-12-13 00:32:15,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 85 transitions, 259 flow [2022-12-13 00:32:15,043 INFO L130 PetriNetUnfolder]: 154/685 cut-off events. [2022-12-13 00:32:15,044 INFO L131 PetriNetUnfolder]: For 55/67 co-relation queries the response was YES. [2022-12-13 00:32:15,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 685 events. 154/685 cut-off events. For 55/67 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4987 event pairs, 21 based on Foata normal form. 1/462 useless extension candidates. Maximal degree in co-relation 1054. Up to 104 conditions per place. [2022-12-13 00:32:15,052 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 85 transitions, 259 flow [2022-12-13 00:32:15,052 INFO L226 LiptonReduction]: Number of co-enabled transitions 2994 [2022-12-13 00:32:15,059 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:32:15,060 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 48 [2022-12-13 00:32:15,060 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 85 transitions, 259 flow [2022-12-13 00:32:15,061 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 00:32:15,061 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:15,061 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 00:32:15,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 00:32:15,061 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 00:32:15,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:15,062 INFO L85 PathProgramCache]: Analyzing trace with hash -998405718, now seen corresponding path program 3 times [2022-12-13 00:32:15,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:15,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080348385] [2022-12-13 00:32:15,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:15,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:15,099 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 00:32:15,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:15,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080348385] [2022-12-13 00:32:15,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080348385] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:15,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:15,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 00:32:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586727331] [2022-12-13 00:32:15,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:15,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:32:15,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:15,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:32:15,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:32:15,102 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 75 [2022-12-13 00:32:15,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 85 transitions, 259 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 00:32:15,102 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:15,102 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 75 [2022-12-13 00:32:15,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:15,635 INFO L130 PetriNetUnfolder]: 4912/8840 cut-off events. [2022-12-13 00:32:15,636 INFO L131 PetriNetUnfolder]: For 2114/2292 co-relation queries the response was YES. [2022-12-13 00:32:15,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19235 conditions, 8840 events. 4912/8840 cut-off events. For 2114/2292 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 65192 event pairs, 2530 based on Foata normal form. 139/6974 useless extension candidates. Maximal degree in co-relation 11281. Up to 6057 conditions per place. [2022-12-13 00:32:15,668 INFO L137 encePairwiseOnDemand]: 66/75 looper letters, 53 selfloop transitions, 10 changer transitions 28/116 dead transitions. [2022-12-13 00:32:15,668 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 116 transitions, 530 flow [2022-12-13 00:32:15,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:32:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:32:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2022-12-13 00:32:15,669 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6888888888888889 [2022-12-13 00:32:15,670 INFO L175 Difference]: Start difference. First operand has 76 places, 85 transitions, 259 flow. Second operand 3 states and 155 transitions. [2022-12-13 00:32:15,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 116 transitions, 530 flow [2022-12-13 00:32:15,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 116 transitions, 521 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 00:32:15,738 INFO L231 Difference]: Finished difference. Result has 79 places, 78 transitions, 292 flow [2022-12-13 00:32:15,738 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=79, PETRI_TRANSITIONS=78} [2022-12-13 00:32:15,739 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2022-12-13 00:32:15,739 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:32:15,739 INFO L89 Accepts]: Start accepts. Operand has 79 places, 78 transitions, 292 flow [2022-12-13 00:32:15,740 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:32:15,740 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:15,740 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 78 transitions, 292 flow [2022-12-13 00:32:15,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 78 transitions, 292 flow [2022-12-13 00:32:15,762 INFO L130 PetriNetUnfolder]: 79/482 cut-off events. [2022-12-13 00:32:15,762 INFO L131 PetriNetUnfolder]: For 165/186 co-relation queries the response was YES. [2022-12-13 00:32:15,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 482 events. 79/482 cut-off events. For 165/186 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3417 event pairs, 9 based on Foata normal form. 1/337 useless extension candidates. Maximal degree in co-relation 895. Up to 81 conditions per place. [2022-12-13 00:32:15,768 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 78 transitions, 292 flow [2022-12-13 00:32:15,768 INFO L226 LiptonReduction]: Number of co-enabled transitions 2196 [2022-12-13 00:32:15,820 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 00:32:15,821 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 82 [2022-12-13 00:32:15,822 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 78 transitions, 294 flow [2022-12-13 00:32:15,822 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 00:32:15,822 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:15,822 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 00:32:15,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 00:32:15,823 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 00:32:15,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:15,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1567852928, now seen corresponding path program 4 times [2022-12-13 00:32:15,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:15,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857705344] [2022-12-13 00:32:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:15,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:15,887 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 00:32:15,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:15,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857705344] [2022-12-13 00:32:15,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857705344] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:15,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:15,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 00:32:15,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482670947] [2022-12-13 00:32:15,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:15,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 00:32:15,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:15,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 00:32:15,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 00:32:15,890 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 67 [2022-12-13 00:32:15,890 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 78 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 00:32:15,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:15,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 67 [2022-12-13 00:32:15,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:16,232 INFO L130 PetriNetUnfolder]: 1978/4302 cut-off events. [2022-12-13 00:32:16,232 INFO L131 PetriNetUnfolder]: For 1688/1792 co-relation queries the response was YES. [2022-12-13 00:32:16,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9564 conditions, 4302 events. 1978/4302 cut-off events. For 1688/1792 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 34328 event pairs, 741 based on Foata normal form. 139/3469 useless extension candidates. Maximal degree in co-relation 8835. Up to 1684 conditions per place. [2022-12-13 00:32:16,249 INFO L137 encePairwiseOnDemand]: 63/67 looper letters, 67 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2022-12-13 00:32:16,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 102 transitions, 487 flow [2022-12-13 00:32:16,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 00:32:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 00:32:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2022-12-13 00:32:16,250 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7512437810945274 [2022-12-13 00:32:16,250 INFO L175 Difference]: Start difference. First operand has 74 places, 78 transitions, 294 flow. Second operand 3 states and 151 transitions. [2022-12-13 00:32:16,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 102 transitions, 487 flow [2022-12-13 00:32:16,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 102 transitions, 465 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-12-13 00:32:16,257 INFO L231 Difference]: Finished difference. Result has 76 places, 78 transitions, 278 flow [2022-12-13 00:32:16,257 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=76, PETRI_TRANSITIONS=78} [2022-12-13 00:32:16,258 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -10 predicate places. [2022-12-13 00:32:16,258 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:32:16,258 INFO L89 Accepts]: Start accepts. Operand has 76 places, 78 transitions, 278 flow [2022-12-13 00:32:16,259 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:32:16,259 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:16,259 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 78 transitions, 278 flow [2022-12-13 00:32:16,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 78 transitions, 278 flow [2022-12-13 00:32:16,320 INFO L130 PetriNetUnfolder]: 54/440 cut-off events. [2022-12-13 00:32:16,320 INFO L131 PetriNetUnfolder]: For 80/93 co-relation queries the response was YES. [2022-12-13 00:32:16,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 440 events. 54/440 cut-off events. For 80/93 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3215 event pairs, 9 based on Foata normal form. 2/310 useless extension candidates. Maximal degree in co-relation 763. Up to 50 conditions per place. [2022-12-13 00:32:16,325 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 78 transitions, 278 flow [2022-12-13 00:32:16,325 INFO L226 LiptonReduction]: Number of co-enabled transitions 1984 [2022-12-13 00:32:16,366 INFO L241 LiptonReduction]: Total number of compositions: 2 [2022-12-13 00:32:16,367 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 109 [2022-12-13 00:32:16,367 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 76 transitions, 274 flow [2022-12-13 00:32:16,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 00:32:16,367 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:16,367 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:32:16,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 00:32:16,368 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 00:32:16,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:16,368 INFO L85 PathProgramCache]: Analyzing trace with hash 387821483, now seen corresponding path program 1 times [2022-12-13 00:32:16,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:16,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912769846] [2022-12-13 00:32:16,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:16,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:16,410 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 00:32:16,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:16,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912769846] [2022-12-13 00:32:16,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912769846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:16,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:16,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 00:32:16,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822580319] [2022-12-13 00:32:16,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:16,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 00:32:16,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:16,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 00:32:16,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 00:32:16,412 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 65 [2022-12-13 00:32:16,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 76 transitions, 274 flow. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 00:32:16,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:16,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 65 [2022-12-13 00:32:16,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:16,747 INFO L130 PetriNetUnfolder]: 2158/4358 cut-off events. [2022-12-13 00:32:16,747 INFO L131 PetriNetUnfolder]: For 1143/1203 co-relation queries the response was YES. [2022-12-13 00:32:16,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9557 conditions, 4358 events. 2158/4358 cut-off events. For 1143/1203 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 33155 event pairs, 928 based on Foata normal form. 78/3249 useless extension candidates. Maximal degree in co-relation 7673. Up to 2372 conditions per place. [2022-12-13 00:32:16,764 INFO L137 encePairwiseOnDemand]: 56/65 looper letters, 44 selfloop transitions, 3 changer transitions 40/117 dead transitions. [2022-12-13 00:32:16,764 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 117 transitions, 557 flow [2022-12-13 00:32:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 00:32:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 00:32:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 203 transitions. [2022-12-13 00:32:16,765 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6246153846153846 [2022-12-13 00:32:16,766 INFO L175 Difference]: Start difference. First operand has 74 places, 76 transitions, 274 flow. Second operand 5 states and 203 transitions. [2022-12-13 00:32:16,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 117 transitions, 557 flow [2022-12-13 00:32:16,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 117 transitions, 551 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 00:32:16,770 INFO L231 Difference]: Finished difference. Result has 78 places, 66 transitions, 241 flow [2022-12-13 00:32:16,770 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=241, PETRI_PLACES=78, PETRI_TRANSITIONS=66} [2022-12-13 00:32:16,771 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -8 predicate places. [2022-12-13 00:32:16,771 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 00:32:16,771 INFO L89 Accepts]: Start accepts. Operand has 78 places, 66 transitions, 241 flow [2022-12-13 00:32:16,772 INFO L95 Accepts]: Finished accepts. [2022-12-13 00:32:16,772 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:16,772 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 66 transitions, 241 flow [2022-12-13 00:32:16,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 66 transitions, 241 flow [2022-12-13 00:32:16,792 INFO L130 PetriNetUnfolder]: 30/253 cut-off events. [2022-12-13 00:32:16,793 INFO L131 PetriNetUnfolder]: For 51/60 co-relation queries the response was YES. [2022-12-13 00:32:16,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 253 events. 30/253 cut-off events. For 51/60 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1455 event pairs, 6 based on Foata normal form. 2/179 useless extension candidates. Maximal degree in co-relation 488. Up to 32 conditions per place. [2022-12-13 00:32:16,796 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 66 transitions, 241 flow [2022-12-13 00:32:16,796 INFO L226 LiptonReduction]: Number of co-enabled transitions 1482 [2022-12-13 00:32:16,839 INFO L241 LiptonReduction]: Total number of compositions: 2 [2022-12-13 00:32:16,840 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 69 [2022-12-13 00:32:16,840 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 65 transitions, 245 flow [2022-12-13 00:32:16,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 00:32:16,840 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 00:32:16,840 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 00:32:16,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 00:32:16,840 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 00:32:16,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 00:32:16,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1450900446, now seen corresponding path program 1 times [2022-12-13 00:32:16,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 00:32:16,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266755641] [2022-12-13 00:32:16,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 00:32:16,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 00:32:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 00:32:16,877 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 00:32:16,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 00:32:16,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266755641] [2022-12-13 00:32:16,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266755641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 00:32:16,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 00:32:16,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 00:32:16,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366770627] [2022-12-13 00:32:16,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 00:32:16,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 00:32:16,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 00:32:16,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 00:32:16,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 00:32:16,879 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 58 [2022-12-13 00:32:16,879 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 65 transitions, 245 flow. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 00:32:16,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 00:32:16,880 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 58 [2022-12-13 00:32:16,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 00:32:17,070 INFO L130 PetriNetUnfolder]: 1337/2633 cut-off events. [2022-12-13 00:32:17,070 INFO L131 PetriNetUnfolder]: For 1388/1481 co-relation queries the response was YES. [2022-12-13 00:32:17,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6406 conditions, 2633 events. 1337/2633 cut-off events. For 1388/1481 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 16399 event pairs, 474 based on Foata normal form. 30/1957 useless extension candidates. Maximal degree in co-relation 5536. Up to 1249 conditions per place. [2022-12-13 00:32:17,079 INFO L137 encePairwiseOnDemand]: 50/58 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2022-12-13 00:32:17,079 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 99 transitions, 505 flow [2022-12-13 00:32:17,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 00:32:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 00:32:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 179 transitions. [2022-12-13 00:32:17,080 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6172413793103448 [2022-12-13 00:32:17,080 INFO L175 Difference]: Start difference. First operand has 71 places, 65 transitions, 245 flow. Second operand 5 states and 179 transitions. [2022-12-13 00:32:17,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 99 transitions, 505 flow [2022-12-13 00:32:17,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 99 transitions, 440 flow, removed 13 selfloop flow, removed 6 redundant places. [2022-12-13 00:32:17,085 INFO L231 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2022-12-13 00:32:17,085 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=58, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2022-12-13 00:32:17,086 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -19 predicate places. [2022-12-13 00:32:17,086 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 00:32:17,086 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 0 transitions, 0 flow [2022-12-13 00:32:17,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 00:32:17,087 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 00:32:17,087 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 00:32:17,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-13 00:32:17,087 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 00:32:17,087 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 00:32:17,087 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 00:32:17,088 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-13 00:32:17,088 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 00:32:17,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 00:32:17,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-13 00:32:17,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-13 00:32:17,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-13 00:32:17,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-13 00:32:17,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-13 00:32:17,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-13 00:32:17,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 00:32:17,091 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-12-13 00:32:17,095 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 00:32:17,095 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 00:32:17,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:32:17 BasicIcfg [2022-12-13 00:32:17,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 00:32:17,098 INFO L158 Benchmark]: Toolchain (without parser) took 8752.19ms. Allocated memory was 215.0MB in the beginning and 484.4MB in the end (delta: 269.5MB). Free memory was 189.2MB in the beginning and 292.3MB in the end (delta: -103.2MB). Peak memory consumption was 167.5MB. Max. memory is 8.0GB. [2022-12-13 00:32:17,098 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 215.0MB. Free memory is still 191.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 00:32:17,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.22ms. Allocated memory is still 215.0MB. Free memory was 189.2MB in the beginning and 160.5MB in the end (delta: 28.7MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-12-13 00:32:17,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.43ms. Allocated memory is still 215.0MB. Free memory was 160.5MB in the beginning and 158.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 00:32:17,099 INFO L158 Benchmark]: Boogie Preprocessor took 42.65ms. Allocated memory is still 215.0MB. Free memory was 158.4MB in the beginning and 156.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 00:32:17,099 INFO L158 Benchmark]: RCFGBuilder took 439.64ms. Allocated memory is still 215.0MB. Free memory was 156.8MB in the beginning and 141.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-13 00:32:17,099 INFO L158 Benchmark]: TraceAbstraction took 7744.52ms. Allocated memory was 215.0MB in the beginning and 484.4MB in the end (delta: 269.5MB). Free memory was 140.6MB in the beginning and 292.3MB in the end (delta: -151.8MB). Peak memory consumption was 119.3MB. Max. memory is 8.0GB. [2022-12-13 00:32:17,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 215.0MB. Free memory is still 191.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 477.22ms. Allocated memory is still 215.0MB. Free memory was 189.2MB in the beginning and 160.5MB in the end (delta: 28.7MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.43ms. Allocated memory is still 215.0MB. Free memory was 160.5MB in the beginning and 158.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.65ms. Allocated memory is still 215.0MB. Free memory was 158.4MB in the beginning and 156.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 439.64ms. Allocated memory is still 215.0MB. Free memory was 156.8MB in the beginning and 141.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7744.52ms. Allocated memory was 215.0MB in the beginning and 484.4MB in the end (delta: 269.5MB). Free memory was 140.6MB in the beginning and 292.3MB in the end (delta: -151.8MB). Peak memory consumption was 119.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 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: 141, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 118, dependent conditional: 0, dependent unconditional: 118, 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: 0.1s, 81 PlacesBefore, 81 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 3940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1208, independent: 1132, independent conditional: 1132, independent unconditional: 0, dependent: 76, dependent conditional: 76, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1208, independent: 1132, independent conditional: 0, independent unconditional: 1132, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1208, independent: 1132, independent conditional: 0, independent unconditional: 1132, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1208, independent: 1132, independent conditional: 0, independent unconditional: 1132, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 968, independent: 911, independent conditional: 0, independent unconditional: 911, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 968, independent: 901, independent conditional: 0, independent unconditional: 901, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 67, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1208, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 968, unknown conditional: 0, unknown unconditional: 968] , Statistics on independence cache: Total cache size (in pairs): 968, Positive cache size: 911, Positive conditional cache size: 0, Positive unconditional cache size: 911, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, 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, 79 PlacesBefore, 79 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 3328 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1183, independent: 1112, independent conditional: 1112, independent unconditional: 0, dependent: 71, dependent conditional: 71, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1183, independent: 1112, independent conditional: 2, independent unconditional: 1110, dependent: 71, dependent conditional: 1, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1183, independent: 1112, independent conditional: 0, independent unconditional: 1112, dependent: 71, dependent conditional: 1, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1183, independent: 1112, independent conditional: 0, independent unconditional: 1112, dependent: 71, dependent conditional: 1, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 233, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 233, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 17, dependent conditional: 1, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1183, independent: 896, independent conditional: 0, independent unconditional: 896, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 233, unknown conditional: 1, unknown unconditional: 232] , Statistics on independence cache: Total cache size (in pairs): 1201, Positive cache size: 1127, Positive conditional cache size: 0, Positive unconditional cache size: 1127, Negative cache size: 74, Negative conditional cache size: 1, Negative unconditional cache size: 73, 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, 74 PlacesBefore, 74 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 2850 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 920, independent: 854, independent conditional: 854, independent unconditional: 0, dependent: 66, dependent conditional: 66, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 920, independent: 854, independent conditional: 14, independent unconditional: 840, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 920, independent: 854, independent conditional: 0, independent unconditional: 854, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 920, independent: 854, independent conditional: 0, independent unconditional: 854, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 94, independent: 85, independent conditional: 0, independent unconditional: 85, 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: 94, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 920, independent: 769, independent conditional: 0, independent unconditional: 769, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 94, unknown conditional: 0, unknown unconditional: 94] , Statistics on independence cache: Total cache size (in pairs): 1295, Positive cache size: 1212, Positive conditional cache size: 0, Positive unconditional cache size: 1212, Negative cache size: 83, Negative conditional cache size: 1, Negative unconditional cache size: 82, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 75 PlacesBefore, 75 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 2818 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 666, independent: 622, independent conditional: 622, independent unconditional: 0, dependent: 44, dependent conditional: 44, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 666, independent: 622, independent conditional: 30, independent unconditional: 592, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 666, independent: 622, independent conditional: 0, independent unconditional: 622, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, independent: 622, independent conditional: 0, independent unconditional: 622, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 666, independent: 620, independent conditional: 0, independent unconditional: 620, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1297, Positive cache size: 1214, Positive conditional cache size: 0, Positive unconditional cache size: 1214, Negative cache size: 83, Negative conditional cache size: 1, Negative unconditional cache size: 82, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 76 PlacesBefore, 76 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 2994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 368, independent: 346, independent conditional: 346, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 368, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 368, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 368, independent: 346, independent conditional: 0, independent unconditional: 346, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 368, independent: 335, independent conditional: 0, independent unconditional: 335, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 15, unknown conditional: 4, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 1312, Positive cache size: 1225, Positive conditional cache size: 0, Positive unconditional cache size: 1225, Negative cache size: 87, Negative conditional cache size: 5, Negative unconditional cache size: 82, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 74 PlacesBefore, 74 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 2196 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 537, independent: 497, independent conditional: 497, independent unconditional: 0, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 537, independent: 497, independent conditional: 31, independent unconditional: 466, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 537, independent: 497, independent conditional: 0, independent unconditional: 497, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 537, independent: 497, independent conditional: 0, independent unconditional: 497, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 33, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 537, independent: 468, independent conditional: 0, independent unconditional: 468, dependent: 36, dependent conditional: 3, dependent unconditional: 33, unknown: 33, unknown conditional: 1, unknown unconditional: 32] , Statistics on independence cache: Total cache size (in pairs): 1367, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 91, Negative conditional cache size: 6, Negative unconditional cache size: 85, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 76 PlacesBefore, 74 PlacesAfterwards, 78 TransitionsBefore, 76 TransitionsAfterwards, 1984 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 378, independent: 346, independent conditional: 346, 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: 378, independent: 346, independent conditional: 9, independent unconditional: 337, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 378, independent: 346, independent conditional: 0, independent unconditional: 346, 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: 378, independent: 346, independent conditional: 0, independent unconditional: 346, 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: 51, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 51, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 378, independent: 300, independent conditional: 0, independent unconditional: 300, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 51, unknown conditional: 0, unknown unconditional: 51] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1366, Positive conditional cache size: 0, Positive unconditional cache size: 1366, Negative cache size: 96, Negative conditional cache size: 6, Negative unconditional cache size: 90, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 72 PlacesBefore, 71 PlacesAfterwards, 66 TransitionsBefore, 65 TransitionsAfterwards, 1482 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 499, independent: 473, independent conditional: 473, independent unconditional: 0, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 499, independent: 473, independent conditional: 91, independent unconditional: 382, dependent: 26, dependent conditional: 12, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 499, independent: 473, independent conditional: 0, independent unconditional: 473, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 499, independent: 473, independent conditional: 0, independent unconditional: 473, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 61, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 61, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 499, independent: 416, independent conditional: 0, independent unconditional: 416, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 61, unknown conditional: 0, unknown unconditional: 61] , Statistics on independence cache: Total cache size (in pairs): 1620, Positive cache size: 1520, Positive conditional cache size: 0, Positive unconditional cache size: 1520, Negative cache size: 100, Negative conditional cache size: 6, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 103, 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): 1620, Positive cache size: 1520, Positive conditional cache size: 0, Positive unconditional cache size: 1520, Negative cache size: 100, Negative conditional cache size: 6, Negative unconditional cache size: 94, 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: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 264 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1012 IncrementalHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 44 mSDtfsCounter, 1012 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=294occurred in iteration=6, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 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 00:32:17,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...