/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:53:14,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:53:14,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:53:14,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:53:14,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:53:14,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:53:14,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:53:14,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:53:14,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:53:14,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:53:14,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:53:14,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:53:14,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:53:14,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:53:14,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:53:14,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:53:14,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:53:14,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:53:14,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:53:14,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:53:14,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:53:14,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:53:14,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:53:14,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:53:14,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 07:53:14,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 07:53:14,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 07:53:14,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 07:53:14,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 07:53:14,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 07:53:14,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:53:14,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:53:14,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:53:14,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:53:14,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:53:14,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:53:14,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:53:14,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:53:14,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:53:14,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:53:14,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:53:14,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 07:53:14,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:53:14,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:53:14,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:53:14,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:53:14,292 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:53:14,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:53:14,293 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:53:14,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:53:14,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:53:14,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:53:14,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:53:14,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:53:14,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:53:14,294 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:53:14,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:53:14,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:53:14,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:53:14,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:53:14,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:53:14,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:53:14,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:53:14,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:53:14,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:53:14,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:53:14,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:53:14,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:53:14,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:53:14,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:53:14,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:53:14,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:53:14,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:53:14,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:53:14,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:53:14,602 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:53:14,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-12-06 07:53:15,601 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:53:15,737 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:53:15,737 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-12-06 07:53:15,742 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa54d7001/6ad66e7678b244919a9bf65ccbdbce60/FLAG6fabd35a6 [2022-12-06 07:53:15,754 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa54d7001/6ad66e7678b244919a9bf65ccbdbce60 [2022-12-06 07:53:15,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:53:15,756 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:53:15,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:53:15,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:53:15,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:53:15,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:15,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e028d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15, skipping insertion in model container [2022-12-06 07:53:15,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:15,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:53:15,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:53:15,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,884 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,908 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c[3907,3920] [2022-12-06 07:53:15,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:53:15,925 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:53:15,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,949 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,949 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 07:53:15,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 07:53:15,966 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c[3907,3920] [2022-12-06 07:53:15,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:53:15,985 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:53:15,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15 WrapperNode [2022-12-06 07:53:15,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:53:15,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:53:15,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:53:15,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:53:15,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,031 INFO L138 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2022-12-06 07:53:16,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:53:16,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:53:16,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:53:16,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:53:16,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,059 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:53:16,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:53:16,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:53:16,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:53:16,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (1/1) ... [2022-12-06 07:53:16,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:53:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:53:16,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 07:53:16,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 07:53:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:53:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 07:53:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 07:53:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 07:53:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 07:53:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 07:53:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 07:53:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 07:53:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 07:53:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:53:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:53:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:53:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 07:53:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 07:53:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:53:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:53:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 07:53:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:53:16,126 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 07:53:16,218 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:53:16,220 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:53:16,450 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:53:16,495 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:53:16,495 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 07:53:16,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:53:16 BoogieIcfgContainer [2022-12-06 07:53:16,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:53:16,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:53:16,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:53:16,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:53:16,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:53:15" (1/3) ... [2022-12-06 07:53:16,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505a4cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:53:16, skipping insertion in model container [2022-12-06 07:53:16,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:53:15" (2/3) ... [2022-12-06 07:53:16,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505a4cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:53:16, skipping insertion in model container [2022-12-06 07:53:16,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:53:16" (3/3) ... [2022-12-06 07:53:16,509 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2022-12-06 07:53:16,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:53:16,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:53:16,526 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:53:16,585 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-06 07:53:16,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 131 transitions, 294 flow [2022-12-06 07:53:16,667 INFO L130 PetriNetUnfolder]: 2/127 cut-off events. [2022-12-06 07:53:16,668 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 07:53:16,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 127 events. 2/127 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-12-06 07:53:16,680 INFO L82 GeneralOperation]: Start removeDead. Operand has 142 places, 131 transitions, 294 flow [2022-12-06 07:53:16,684 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 115 transitions, 254 flow [2022-12-06 07:53:16,685 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:53:16,704 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 115 transitions, 254 flow [2022-12-06 07:53:16,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 254 flow [2022-12-06 07:53:16,756 INFO L130 PetriNetUnfolder]: 2/115 cut-off events. [2022-12-06 07:53:16,757 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 07:53:16,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 115 events. 2/115 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-12-06 07:53:16,759 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 115 transitions, 254 flow [2022-12-06 07:53:16,759 INFO L188 LiptonReduction]: Number of co-enabled transitions 1824 [2022-12-06 07:53:20,191 INFO L203 LiptonReduction]: Total number of compositions: 82 [2022-12-06 07:53:20,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:53:20,213 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;@4f6bfd32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:53:20,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 07:53:20,219 INFO L130 PetriNetUnfolder]: 0/32 cut-off events. [2022-12-06 07:53:20,219 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 07:53:20,219 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:53:20,220 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:53:20,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 07:53:20,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:53:20,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1768064526, now seen corresponding path program 1 times [2022-12-06 07:53:20,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:53:20,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563863822] [2022-12-06 07:53:20,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:53:20,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:53:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:53:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:53:20,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:53:20,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563863822] [2022-12-06 07:53:20,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563863822] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:53:20,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:53:20,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 07:53:20,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626776592] [2022-12-06 07:53:20,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:53:20,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:53:20,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:53:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:53:20,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:53:20,778 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 33 [2022-12-06 07:53:20,779 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 33 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:53:20,779 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:53:20,780 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 33 [2022-12-06 07:53:20,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:53:21,016 INFO L130 PetriNetUnfolder]: 1637/2377 cut-off events. [2022-12-06 07:53:21,016 INFO L131 PetriNetUnfolder]: For 133/133 co-relation queries the response was YES. [2022-12-06 07:53:21,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4966 conditions, 2377 events. 1637/2377 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11221 event pairs, 353 based on Foata normal form. 44/2418 useless extension candidates. Maximal degree in co-relation 4085. Up to 2159 conditions per place. [2022-12-06 07:53:21,034 INFO L137 encePairwiseOnDemand]: 30/33 looper letters, 39 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2022-12-06 07:53:21,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 202 flow [2022-12-06 07:53:21,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:53:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:53:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 07:53:21,042 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2022-12-06 07:53:21,044 INFO L175 Difference]: Start difference. First operand has 46 places, 33 transitions, 90 flow. Second operand 3 states and 54 transitions. [2022-12-06 07:53:21,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 202 flow [2022-12-06 07:53:21,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 45 transitions, 182 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-12-06 07:53:21,053 INFO L231 Difference]: Finished difference. Result has 41 places, 33 transitions, 82 flow [2022-12-06 07:53:21,054 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2022-12-06 07:53:21,057 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, -5 predicate places. [2022-12-06 07:53:21,057 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:53:21,058 INFO L89 Accepts]: Start accepts. Operand has 41 places, 33 transitions, 82 flow [2022-12-06 07:53:21,060 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:53:21,060 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:53:21,060 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 33 transitions, 82 flow [2022-12-06 07:53:21,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 33 transitions, 82 flow [2022-12-06 07:53:21,066 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-12-06 07:53:21,067 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:53:21,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 07:53:21,067 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 33 transitions, 82 flow [2022-12-06 07:53:21,067 INFO L188 LiptonReduction]: Number of co-enabled transitions 392 [2022-12-06 07:53:21,188 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 07:53:21,190 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 133 [2022-12-06 07:53:21,190 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 78 flow [2022-12-06 07:53:21,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:53:21,191 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:53:21,191 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:53:21,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:53:21,194 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 07:53:21,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:53:21,195 INFO L85 PathProgramCache]: Analyzing trace with hash 898925693, now seen corresponding path program 1 times [2022-12-06 07:53:21,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:53:21,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427854902] [2022-12-06 07:53:21,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:53:21,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:53:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:53:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:53:22,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:53:22,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427854902] [2022-12-06 07:53:22,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427854902] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:53:22,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:53:22,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-06 07:53:22,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131318164] [2022-12-06 07:53:22,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:53:22,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-06 07:53:22,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:53:22,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-06 07:53:22,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-12-06 07:53:22,511 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 31 [2022-12-06 07:53:22,511 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 78 flow. Second operand has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 13 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:53:22,511 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:53:22,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 31 [2022-12-06 07:53:22,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:53:23,830 INFO L130 PetriNetUnfolder]: 4519/6683 cut-off events. [2022-12-06 07:53:23,830 INFO L131 PetriNetUnfolder]: For 712/712 co-relation queries the response was YES. [2022-12-06 07:53:23,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14426 conditions, 6683 events. 4519/6683 cut-off events. For 712/712 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 34513 event pairs, 927 based on Foata normal form. 1/6684 useless extension candidates. Maximal degree in co-relation 10219. Up to 2419 conditions per place. [2022-12-06 07:53:23,861 INFO L137 encePairwiseOnDemand]: 18/31 looper letters, 182 selfloop transitions, 16 changer transitions 9/207 dead transitions. [2022-12-06 07:53:23,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 207 transitions, 929 flow [2022-12-06 07:53:23,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-06 07:53:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-06 07:53:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 208 transitions. [2022-12-06 07:53:23,867 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4792626728110599 [2022-12-06 07:53:23,868 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 78 flow. Second operand 14 states and 208 transitions. [2022-12-06 07:53:23,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 207 transitions, 929 flow [2022-12-06 07:53:23,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 207 transitions, 909 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 07:53:23,874 INFO L231 Difference]: Finished difference. Result has 63 places, 47 transitions, 209 flow [2022-12-06 07:53:23,874 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=31, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=209, PETRI_PLACES=63, PETRI_TRANSITIONS=47} [2022-12-06 07:53:23,875 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, 17 predicate places. [2022-12-06 07:53:23,875 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:53:23,875 INFO L89 Accepts]: Start accepts. Operand has 63 places, 47 transitions, 209 flow [2022-12-06 07:53:23,880 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:53:23,884 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:53:23,884 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 47 transitions, 209 flow [2022-12-06 07:53:23,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 47 transitions, 209 flow [2022-12-06 07:53:23,897 INFO L130 PetriNetUnfolder]: 22/187 cut-off events. [2022-12-06 07:53:23,897 INFO L131 PetriNetUnfolder]: For 89/95 co-relation queries the response was YES. [2022-12-06 07:53:23,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 187 events. 22/187 cut-off events. For 89/95 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1088 event pairs, 5 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 394. Up to 30 conditions per place. [2022-12-06 07:53:23,899 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 47 transitions, 209 flow [2022-12-06 07:53:23,899 INFO L188 LiptonReduction]: Number of co-enabled transitions 642 [2022-12-06 07:53:23,908 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [434] L113-->L119: Formula: (and (= v_~f22~0_44 1) (= (mod v_~t22~0_32 256) v_~y2~0_51)) InVars {~t22~0=v_~t22~0_32} OutVars{~t22~0=v_~t22~0_32, ~y2~0=v_~y2~0_51, ~f22~0=v_~f22~0_44} AuxVars[] AssignedVars[~y2~0, ~f22~0] and [372] L96-->L102: Formula: (and (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (not (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0)) (= (ite (and (not (= (mod v_~f22~0_22 256) 0)) (not (= (mod v_~f12~0_21 256) 0))) 1 0) |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|) (= (ite (= (mod (+ v_~y2~0_9 1) 4294967296) 0) 0 1) v_~t12~0_6)) InVars {~y2~0=v_~y2~0_9, ~f12~0=v_~f12~0_21, ~f22~0=v_~f22~0_22} OutVars{thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, ~t12~0=v_~t12~0_6, ~y2~0=v_~y2~0_9, ~f12~0=v_~f12~0_21, ~f22~0=v_~f22~0_22} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~t12~0] [2022-12-06 07:53:24,142 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [415] L125-->thread4EXIT: Formula: (and (= (mod v_~t22~0_22 256) v_~x2~0_36) (= |v_thread4Thread1of1ForFork2_#res#1.base_7| 0) (= |v_thread4Thread1of1ForFork2_#res#1.offset_7| 0)) InVars {~t22~0=v_~t22~0_22} OutVars{~x2~0=v_~x2~0_36, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_7|, ~t22~0=v_~t22~0_22, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_7|} AuxVars[] AssignedVars[~x2~0, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#res#1.offset] and [468] $Ultimate##0-->L79: Formula: (and (= v_~t21~0_70 (ite (= (mod (+ v_~x1~0_102 1) 4294967296) 0) 0 1)) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_25| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_25|) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_25| 0)) (= v_~f21~0_77 1) (= (ite (and (not (= (mod v_~f11~0_72 256) 0)) (not (= (mod v_~f21~0_77 256) 0))) 1 0) |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_25|) (= v_~y1~0_105 (mod (ite (= (mod (+ v_~y1~0_106 1) 4294967296) 0) 0 1) 256))) InVars {~y1~0=v_~y1~0_106, ~x1~0=v_~x1~0_102, ~f11~0=v_~f11~0_72} OutVars{~f21~0=v_~f21~0_77, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_25|, ~t21~0=v_~t21~0_70, ~y1~0=v_~y1~0_105, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_25|, ~x1~0=v_~x1~0_102, ~f11~0=v_~f11~0_72} AuxVars[] AssignedVars[~f21~0, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, ~t21~0, ~y1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] [2022-12-06 07:53:24,200 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [415] L125-->thread4EXIT: Formula: (and (= (mod v_~t22~0_22 256) v_~x2~0_36) (= |v_thread4Thread1of1ForFork2_#res#1.base_7| 0) (= |v_thread4Thread1of1ForFork2_#res#1.offset_7| 0)) InVars {~t22~0=v_~t22~0_22} OutVars{~x2~0=v_~x2~0_36, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_7|, ~t22~0=v_~t22~0_22, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_7|} AuxVars[] AssignedVars[~x2~0, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#res#1.offset] and [466] L50-->thread1EXIT: Formula: (and (= v_~t11~0_72 (ite (= (mod (+ v_~y1~0_102 1) 4294967296) 0) 0 1)) (= (mod v_~t11~0_72 256) v_~y1~0_101) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (and (not (= (mod v_~f11~0_70 256) 0)) (not (= (mod v_~f21~0_75 256) 0))) 1 0)) (= |v_thread1Thread1of1ForFork1_#res#1.offset_15| 0) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= |v_thread1Thread1of1ForFork1_#res#1.base_15| 0) (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0))) InVars {~f21~0=v_~f21~0_75, ~y1~0=v_~y1~0_102, ~f11~0=v_~f11~0_70} OutVars{~f21~0=v_~f21~0_75, ~t11~0=v_~t11~0_72, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, ~y1~0=v_~y1~0_101, thread1Thread1of1ForFork1_#res#1.offset=|v_thread1Thread1of1ForFork1_#res#1.offset_15|, thread1Thread1of1ForFork1_#res#1.base=|v_thread1Thread1of1ForFork1_#res#1.base_15|, ~f11~0=v_~f11~0_70, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|} AuxVars[] AssignedVars[~t11~0, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, ~y1~0, thread1Thread1of1ForFork1_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1] [2022-12-06 07:53:24,719 INFO L203 LiptonReduction]: Total number of compositions: 6 [2022-12-06 07:53:24,720 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 845 [2022-12-06 07:53:24,720 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 45 transitions, 225 flow [2022-12-06 07:53:24,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 13 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:53:24,720 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:53:24,720 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:53:24,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 07:53:24,720 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 07:53:24,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:53:24,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1533473981, now seen corresponding path program 2 times [2022-12-06 07:53:24,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:53:24,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666472852] [2022-12-06 07:53:24,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:53:24,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:53:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:53:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:53:24,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:53:24,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666472852] [2022-12-06 07:53:24,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666472852] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:53:24,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:53:24,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 07:53:24,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488698956] [2022-12-06 07:53:24,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:53:24,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 07:53:24,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:53:24,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 07:53:24,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 07:53:24,863 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 37 [2022-12-06 07:53:24,863 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 45 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:53:24,863 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:53:24,863 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 37 [2022-12-06 07:53:24,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:53:25,116 INFO L130 PetriNetUnfolder]: 1868/2969 cut-off events. [2022-12-06 07:53:25,116 INFO L131 PetriNetUnfolder]: For 5192/5277 co-relation queries the response was YES. [2022-12-06 07:53:25,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10004 conditions, 2969 events. 1868/2969 cut-off events. For 5192/5277 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15760 event pairs, 481 based on Foata normal form. 92/2996 useless extension candidates. Maximal degree in co-relation 9970. Up to 2494 conditions per place. [2022-12-06 07:53:25,133 INFO L137 encePairwiseOnDemand]: 33/37 looper letters, 49 selfloop transitions, 3 changer transitions 2/58 dead transitions. [2022-12-06 07:53:25,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 58 transitions, 386 flow [2022-12-06 07:53:25,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 07:53:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 07:53:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 07:53:25,135 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4864864864864865 [2022-12-06 07:53:25,136 INFO L175 Difference]: Start difference. First operand has 60 places, 45 transitions, 225 flow. Second operand 3 states and 54 transitions. [2022-12-06 07:53:25,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 58 transitions, 386 flow [2022-12-06 07:53:25,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 58 transitions, 360 flow, removed 13 selfloop flow, removed 4 redundant places. [2022-12-06 07:53:25,156 INFO L231 Difference]: Finished difference. Result has 59 places, 42 transitions, 187 flow [2022-12-06 07:53:25,156 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=59, PETRI_TRANSITIONS=42} [2022-12-06 07:53:25,157 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, 13 predicate places. [2022-12-06 07:53:25,157 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:53:25,157 INFO L89 Accepts]: Start accepts. Operand has 59 places, 42 transitions, 187 flow [2022-12-06 07:53:25,159 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:53:25,159 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:53:25,159 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 42 transitions, 187 flow [2022-12-06 07:53:25,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 42 transitions, 187 flow [2022-12-06 07:53:25,169 INFO L130 PetriNetUnfolder]: 15/145 cut-off events. [2022-12-06 07:53:25,170 INFO L131 PetriNetUnfolder]: For 83/99 co-relation queries the response was YES. [2022-12-06 07:53:25,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 145 events. 15/145 cut-off events. For 83/99 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 738 event pairs, 4 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 260. Up to 26 conditions per place. [2022-12-06 07:53:25,171 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 42 transitions, 187 flow [2022-12-06 07:53:25,171 INFO L188 LiptonReduction]: Number of co-enabled transitions 528 [2022-12-06 07:53:25,258 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [479] $Ultimate##0-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.offset_21| 0) (= |v_thread3Thread1of1ForFork0_#res#1.base_21| 0) (= v_~f22~0_94 1) (= v_~t12~0_90 (ite (= (mod (+ (mod v_~t22~0_94 256) 1) 4294967296) 0) 0 1)) (not (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_29| 0)) (= v_~t22~0_94 (ite (= (mod (+ v_~y2~0_125 1) 4294967296) 0) 0 1)) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_29| |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_29|) (= v_~y2~0_124 (mod v_~t12~0_90 256)) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_29| (ite (and (not (= (mod v_~f22~0_94 256) 0)) (not (= (mod v_~f12~0_92 256) 0))) 1 0))) InVars {~f12~0=v_~f12~0_92, ~y2~0=v_~y2~0_125} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_21|, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_29|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_29|, ~t22~0=v_~t22~0_94, ~t12~0=v_~t12~0_90, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_21|, ~y2~0=v_~y2~0_124, ~f12~0=v_~f12~0_92, ~f22~0=v_~f22~0_94} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~t22~0, ~t12~0, thread3Thread1of1ForFork0_#res#1.base, ~y2~0, ~f22~0] and [475] L119-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res#1.base_19| 0) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_19| |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_19|) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_19| (ite (and (not (= (mod v_~f21~0_85 256) 0)) (not (= (mod v_~f11~0_80 256) 0))) 1 0)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_27| (ite (and (not (= (mod v_~f12~0_88 256) 0)) (not (= (mod v_~f22~0_88 256) 0))) 1 0)) (= |v_thread4Thread1of1ForFork2_#res#1.offset_23| 0) (= (mod v_~t11~0_76 256) v_~y1~0_121) (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_19| 0)) (= (mod v_~t22~0_88 256) v_~x2~0_117) (= |v_thread4Thread1of1ForFork2_#res#1.base_23| 0) (= v_~t22~0_88 (ite (= (mod (+ v_~x2~0_118 1) 4294967296) 0) 0 1)) (= |v_thread1Thread1of1ForFork1_#res#1.offset_19| 0) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_27| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_27|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_27| 0)) (= v_~t11~0_76 (ite (= (mod (+ v_~y1~0_122 1) 4294967296) 0) 0 1))) InVars {~f21~0=v_~f21~0_85, ~x2~0=v_~x2~0_118, ~y1~0=v_~y1~0_122, ~f12~0=v_~f12~0_88, ~f11~0=v_~f11~0_80, ~f22~0=v_~f22~0_88} OutVars{~x2~0=v_~x2~0_117, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_27|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_23|, ~t22~0=v_~t22~0_88, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_27|, ~f12~0=v_~f12~0_88, ~f11~0=v_~f11~0_80, ~f21~0=v_~f21~0_85, ~t11~0=v_~t11~0_76, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_19|, ~y1~0=v_~y1~0_121, thread1Thread1of1ForFork1_#res#1.offset=|v_thread1Thread1of1ForFork1_#res#1.offset_19|, thread1Thread1of1ForFork1_#res#1.base=|v_thread1Thread1of1ForFork1_#res#1.base_19|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_23|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_19|, ~f22~0=v_~f22~0_88} AuxVars[] AssignedVars[~x2~0, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, ~t11~0, ~t22~0, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, ~y1~0, thread1Thread1of1ForFork1_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, thread4Thread1of1ForFork2_#res#1.offset, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1] [2022-12-06 07:53:25,650 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 07:53:25,651 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 494 [2022-12-06 07:53:25,651 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 41 transitions, 192 flow [2022-12-06 07:53:25,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:53:25,651 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:53:25,651 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:53:25,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 07:53:25,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 07:53:25,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:53:25,652 INFO L85 PathProgramCache]: Analyzing trace with hash 768807342, now seen corresponding path program 1 times [2022-12-06 07:53:25,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:53:25,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810172839] [2022-12-06 07:53:25,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:53:25,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:53:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:53:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:53:26,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:53:26,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810172839] [2022-12-06 07:53:26,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810172839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:53:26,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:53:26,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 07:53:26,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515046548] [2022-12-06 07:53:26,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:53:26,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 07:53:26,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:53:26,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 07:53:26,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-06 07:53:26,420 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 34 [2022-12-06 07:53:26,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 41 transitions, 192 flow. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 07:53:26,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:53:26,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 34 [2022-12-06 07:53:26,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:53:27,108 INFO L130 PetriNetUnfolder]: 3775/5713 cut-off events. [2022-12-06 07:53:27,109 INFO L131 PetriNetUnfolder]: For 9022/9022 co-relation queries the response was YES. [2022-12-06 07:53:27,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19085 conditions, 5713 events. 3775/5713 cut-off events. For 9022/9022 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 30739 event pairs, 589 based on Foata normal form. 1/5714 useless extension candidates. Maximal degree in co-relation 11925. Up to 2168 conditions per place. [2022-12-06 07:53:27,146 INFO L137 encePairwiseOnDemand]: 24/34 looper letters, 102 selfloop transitions, 12 changer transitions 10/124 dead transitions. [2022-12-06 07:53:27,147 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 124 transitions, 801 flow [2022-12-06 07:53:27,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 07:53:27,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 07:53:27,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2022-12-06 07:53:27,148 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4789915966386555 [2022-12-06 07:53:27,148 INFO L175 Difference]: Start difference. First operand has 57 places, 41 transitions, 192 flow. Second operand 7 states and 114 transitions. [2022-12-06 07:53:27,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 124 transitions, 801 flow [2022-12-06 07:53:27,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 124 transitions, 756 flow, removed 10 selfloop flow, removed 4 redundant places. [2022-12-06 07:53:27,182 INFO L231 Difference]: Finished difference. Result has 63 places, 50 transitions, 299 flow [2022-12-06 07:53:27,182 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=299, PETRI_PLACES=63, PETRI_TRANSITIONS=50} [2022-12-06 07:53:27,183 INFO L294 CegarLoopForPetriNet]: 46 programPoint places, 17 predicate places. [2022-12-06 07:53:27,184 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:53:27,184 INFO L89 Accepts]: Start accepts. Operand has 63 places, 50 transitions, 299 flow [2022-12-06 07:53:27,185 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:53:27,185 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:53:27,185 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 50 transitions, 299 flow [2022-12-06 07:53:27,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 50 transitions, 299 flow [2022-12-06 07:53:27,203 INFO L130 PetriNetUnfolder]: 42/298 cut-off events. [2022-12-06 07:53:27,203 INFO L131 PetriNetUnfolder]: For 380/407 co-relation queries the response was YES. [2022-12-06 07:53:27,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 298 events. 42/298 cut-off events. For 380/407 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2038 event pairs, 6 based on Foata normal form. 3/279 useless extension candidates. Maximal degree in co-relation 794. Up to 58 conditions per place. [2022-12-06 07:53:27,208 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 50 transitions, 299 flow [2022-12-06 07:53:27,208 INFO L188 LiptonReduction]: Number of co-enabled transitions 628 [2022-12-06 07:53:27,226 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [419] L90-->L96: Formula: (and (= (mod v_~t12~0_30 256) v_~x2~0_43) (= v_~f12~0_40 1)) InVars {~t12~0=v_~t12~0_30} OutVars{~x2~0=v_~x2~0_43, ~t12~0=v_~t12~0_30, ~f12~0=v_~f12~0_40} AuxVars[] AssignedVars[~x2~0, ~f12~0] and [480] $Ultimate##0-->thread1EXIT: Formula: (let ((.cse0 (ite (and (not (= (mod v_~f12~0_94 256) 0)) (not (= (mod v_~f22~0_96 256) 0))) 1 0))) (and (= |v_thread1Thread1of1ForFork1_#res#1.base_21| 0) (= v_~t11~0_78 (ite (= (mod (+ v_~y1~0_130 1) 4294967296) 0) 0 1)) (= |v_thread4Thread1of1ForFork2_#res#1.offset_27| 0) (= (ite (= (mod (+ v_~x2~0_126 1) 4294967296) 0) 0 1) v_~t22~0_96) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_21| (ite (and (not (= (mod v_~f11~0_86 256) 0)) (not (= (mod v_~f21~0_91 256) 0))) 1 0)) (= v_~x2~0_125 (mod v_~t22~0_96 256)) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_31| .cse0) (= |v_thread4Thread1of1ForFork2_#res#1.base_27| 0) (= v_~y2~0_128 (mod v_~t12~0_92 256)) (= v_~f22~0_96 1) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_31| .cse0) (= (mod v_~t11~0_78 256) v_~y1~0_129) (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_21| 0)) (= |v_thread3Thread1of1ForFork0_#res#1.offset_23| 0) (= |v_thread3Thread1of1ForFork0_#res#1.base_23| 0) (= |v_thread1Thread1of1ForFork1_#res#1.offset_21| 0) (= v_~t12~0_92 (ite (= (mod (+ (mod (ite (= 0 (mod (+ v_~y2~0_129 1) 4294967296)) 0 1) 256) 1) 4294967296) 0) 0 1)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_31| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_31|) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_21| |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_21|) (not (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_31| 0)) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_31| |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_31|))) InVars {~f21~0=v_~f21~0_91, ~x2~0=v_~x2~0_126, ~y1~0=v_~y1~0_130, ~f12~0=v_~f12~0_94, ~y2~0=v_~y2~0_129, ~f11~0=v_~f11~0_86} OutVars{~x2~0=v_~x2~0_125, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_31|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_27|, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_31|, ~t22~0=v_~t22~0_96, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_31|, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_23|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_31|, ~f12~0=v_~f12~0_94, ~f11~0=v_~f11~0_86, ~f21~0=v_~f21~0_91, thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_23|, ~t11~0=v_~t11~0_78, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_21|, ~t12~0=v_~t12~0_92, ~y1~0=v_~y1~0_129, thread1Thread1of1ForFork1_#res#1.offset=|v_thread1Thread1of1ForFork1_#res#1.offset_21|, thread1Thread1of1ForFork1_#res#1.base=|v_thread1Thread1of1ForFork1_#res#1.base_21|, ~y2~0=v_~y2~0_128, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_27|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_21|, ~f22~0=v_~f22~0_96} AuxVars[] AssignedVars[~x2~0, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, ~t22~0, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork0_#res#1.base, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_#res#1.offset, ~t11~0, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, ~t12~0, ~y1~0, thread1Thread1of1ForFork1_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, ~y2~0, thread4Thread1of1ForFork2_#res#1.offset, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, ~f22~0] [2022-12-06 07:53:27,649 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 07:53:27,651 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 07:53:27,651 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 07:53:27,651 INFO L89 Accepts]: Start accepts. Operand has 63 places, 48 transitions, 286 flow [2022-12-06 07:53:27,652 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:53:27,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 07:53:27,652 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 07:53:27,655 INFO L158 Benchmark]: Toolchain (without parser) took 11898.67ms. Allocated memory was 198.2MB in the beginning and 396.4MB in the end (delta: 198.2MB). Free memory was 164.5MB in the beginning and 135.7MB in the end (delta: 28.8MB). Peak memory consumption was 228.0MB. Max. memory is 8.0GB. [2022-12-06 07:53:27,655 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 175.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:53:27,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.75ms. Allocated memory is still 198.2MB. Free memory was 164.0MB in the beginning and 147.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-06 07:53:27,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.68ms. Allocated memory is still 198.2MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:53:27,656 INFO L158 Benchmark]: Boogie Preprocessor took 29.20ms. Allocated memory is still 198.2MB. Free memory was 145.1MB in the beginning and 144.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 07:53:27,656 INFO L158 Benchmark]: RCFGBuilder took 435.50ms. Allocated memory is still 198.2MB. Free memory was 143.5MB in the beginning and 123.6MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-06 07:53:27,656 INFO L158 Benchmark]: TraceAbstraction took 11156.51ms. Allocated memory was 198.2MB in the beginning and 396.4MB in the end (delta: 198.2MB). Free memory was 123.1MB in the beginning and 135.7MB in the end (delta: -12.6MB). Peak memory consumption was 187.1MB. Max. memory is 8.0GB. [2022-12-06 07:53:27,657 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 198.2MB. Free memory is still 175.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 228.75ms. Allocated memory is still 198.2MB. Free memory was 164.0MB in the beginning and 147.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.68ms. Allocated memory is still 198.2MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.20ms. Allocated memory is still 198.2MB. Free memory was 145.1MB in the beginning and 144.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 435.50ms. Allocated memory is still 198.2MB. Free memory was 143.5MB in the beginning and 123.6MB in the end (delta: 20.0MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 11156.51ms. Allocated memory was 198.2MB in the beginning and 396.4MB in the end (delta: 198.2MB). Free memory was 123.1MB in the beginning and 135.7MB in the end (delta: -12.6MB). Peak memory consumption was 187.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 126 PlacesBefore, 46 PlacesAfterwards, 115 TransitionsBefore, 33 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 47 TrivialYvCompositions, 33 ConcurrentYvCompositions, 2 ChoiceCompositions, 82 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1232, independent: 1175, independent conditional: 1175, independent unconditional: 0, dependent: 57, dependent conditional: 57, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1232, independent: 1175, independent conditional: 0, independent unconditional: 1175, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1232, independent: 1175, independent conditional: 0, independent unconditional: 1175, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1232, independent: 1175, independent conditional: 0, independent unconditional: 1175, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1068, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1068, independent: 1024, independent conditional: 0, independent unconditional: 1024, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1232, independent: 143, independent conditional: 0, independent unconditional: 143, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 1068, unknown conditional: 0, unknown unconditional: 1068] , Statistics on independence cache: Total cache size (in pairs): 1411, Positive cache size: 1375, Positive conditional cache size: 0, Positive unconditional cache size: 1375, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, 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, 41 PlacesBefore, 39 PlacesAfterwards, 33 TransitionsBefore, 31 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 338, independent: 302, independent conditional: 302, independent unconditional: 0, dependent: 36, dependent conditional: 36, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 338, independent: 302, independent conditional: 30, independent unconditional: 272, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 338, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 338, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 173, independent: 164, independent conditional: 0, independent unconditional: 164, 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: 173, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 338, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 173, unknown conditional: 0, unknown unconditional: 173] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 178, Positive conditional cache size: 0, Positive unconditional cache size: 178, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 0.8s, 62 PlacesBefore, 60 PlacesAfterwards, 47 TransitionsBefore, 45 TransitionsAfterwards, 642 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 180, independent conditional: 180, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 194, independent: 180, independent conditional: 138, independent unconditional: 42, dependent: 14, dependent conditional: 3, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194, independent: 180, independent conditional: 116, independent unconditional: 64, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194, independent: 180, independent conditional: 116, independent unconditional: 64, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 67, independent: 66, independent conditional: 48, independent unconditional: 18, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 67, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 194, independent: 114, independent conditional: 68, independent unconditional: 46, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 67, unknown conditional: 48, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 355, Positive cache size: 345, Positive conditional cache size: 51, Positive unconditional cache size: 294, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5s, 58 PlacesBefore, 57 PlacesAfterwards, 42 TransitionsBefore, 41 TransitionsAfterwards, 528 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139, independent: 127, independent conditional: 127, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 139, independent: 127, independent conditional: 17, independent unconditional: 110, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 139, independent: 127, independent conditional: 4, independent unconditional: 123, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139, independent: 127, independent conditional: 4, independent unconditional: 123, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, independent: 11, independent conditional: 0, independent unconditional: 11, 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: 11, independent: 11, independent conditional: 0, independent unconditional: 11, 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: 139, independent: 116, independent conditional: 4, independent unconditional: 112, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 390, Positive cache size: 380, Positive conditional cache size: 51, Positive unconditional cache size: 329, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 62 PlacesBefore, 63 PlacesAfterwards, 50 TransitionsBefore, 48 TransitionsAfterwards, 628 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 242, independent: 227, independent conditional: 227, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 242, independent: 227, independent conditional: 91, independent unconditional: 136, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 244, independent: 227, independent conditional: 41, independent unconditional: 186, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 244, independent: 227, independent conditional: 41, independent unconditional: 186, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29, independent: 29, independent conditional: 14, independent unconditional: 15, 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: 29, independent: 29, independent conditional: 0, independent unconditional: 29, 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: 244, independent: 198, independent conditional: 27, independent unconditional: 171, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 29, unknown conditional: 14, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 419, Positive cache size: 409, Positive conditional cache size: 65, Positive unconditional cache size: 344, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 54, Maximal queried relation: 1 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 07:53:27,681 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...