/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:16:38,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:16:38,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:16:38,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:16:38,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:16:38,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:16:38,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:16:38,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:16:38,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:16:38,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:16:38,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:16:38,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:16:38,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:16:38,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:16:38,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:16:38,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:16:38,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:16:38,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:16:38,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:16:38,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:16:38,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:16:38,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:16:38,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:16:38,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:16:38,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:16:38,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:16:38,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:16:38,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:16:38,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:16:38,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:16:38,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:16:38,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:16:38,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:16:38,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:16:38,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:16:38,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:16:38,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:16:38,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:16:38,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:16:38,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:16:38,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:16:38,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-05 23:16:38,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:16:38,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:16:38,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:16:38,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:16:38,299 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:16:38,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:16:38,299 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:16:38,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:16:38,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:16:38,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:16:38,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:16:38,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:16:38,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:16:38,301 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:16:38,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:16:38,301 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:16:38,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:16:38,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:16:38,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:16:38,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:16:38,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:16:38,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:16:38,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:16:38,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:16:38,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:16:38,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:16:38,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:16:38,302 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:16:38,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:16:38,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:16:38,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:16:38,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:16:38,568 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:16:38,569 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:16:38,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-05 23:16:39,487 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:16:39,747 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:16:39,747 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-05 23:16:39,760 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e50cae5a5/a4f4ebe5a4be4c3191a13678f0daae28/FLAGe1948f005 [2022-12-05 23:16:39,778 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e50cae5a5/a4f4ebe5a4be4c3191a13678f0daae28 [2022-12-05 23:16:39,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:16:39,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:16:39,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:16:39,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:16:39,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:16:39,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:16:39" (1/1) ... [2022-12-05 23:16:39,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106eb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:39, skipping insertion in model container [2022-12-05 23:16:39,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:16:39" (1/1) ... [2022-12-05 23:16:39,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:16:39,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:16:39,965 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-12-05 23:16:40,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:16:40,100 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:16:40,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-12-05 23:16:40,133 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:16:40,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:16:40,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:16:40,165 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:16:40,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40 WrapperNode [2022-12-05 23:16:40,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:16:40,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:16:40,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:16:40,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:16:40,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,194 INFO L138 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2022-12-05 23:16:40,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:16:40,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:16:40,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:16:40,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:16:40,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,207 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:16:40,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:16:40,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:16:40,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:16:40,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (1/1) ... [2022-12-05 23:16:40,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:16:40,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:16:40,235 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) [2022-12-05 23:16:40,243 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 [2022-12-05 23:16:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:16:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 23:16:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:16:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:16:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:16:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-05 23:16:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-05 23:16:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-05 23:16:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-05 23:16:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-05 23:16:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-05 23:16:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-05 23:16:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-05 23:16:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:16:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 23:16:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:16:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:16:40,269 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:16:40,431 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:16:40,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:16:40,555 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:16:40,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:16:40,560 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 23:16:40,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:16:40 BoogieIcfgContainer [2022-12-05 23:16:40,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:16:40,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:16:40,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:16:40,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:16:40,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:16:39" (1/3) ... [2022-12-05 23:16:40,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32391322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:16:40, skipping insertion in model container [2022-12-05 23:16:40,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:16:40" (2/3) ... [2022-12-05 23:16:40,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32391322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:16:40, skipping insertion in model container [2022-12-05 23:16:40,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:16:40" (3/3) ... [2022-12-05 23:16:40,566 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-05 23:16:40,578 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:16:40,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:16:40,578 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:16:40,634 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-05 23:16:40,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 99 transitions, 218 flow [2022-12-05 23:16:40,687 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-12-05 23:16:40,687 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:16:40,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-12-05 23:16:40,690 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 99 transitions, 218 flow [2022-12-05 23:16:40,693 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 81 transitions, 174 flow [2022-12-05 23:16:40,694 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:40,704 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 81 transitions, 174 flow [2022-12-05 23:16:40,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 81 transitions, 174 flow [2022-12-05 23:16:40,725 INFO L130 PetriNetUnfolder]: 1/81 cut-off events. [2022-12-05 23:16:40,726 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:16:40,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 81 events. 1/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 44 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2022-12-05 23:16:40,728 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 81 transitions, 174 flow [2022-12-05 23:16:40,728 INFO L188 LiptonReduction]: Number of co-enabled transitions 1542 [2022-12-05 23:16:42,806 INFO L203 LiptonReduction]: Total number of compositions: 61 [2022-12-05 23:16:42,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:16:42,820 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;@5c8a9cc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:16:42,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-05 23:16:42,824 INFO L130 PetriNetUnfolder]: 0/17 cut-off events. [2022-12-05 23:16:42,824 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:16:42,824 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:42,824 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:42,825 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)] === [2022-12-05 23:16:42,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:42,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1132744140, now seen corresponding path program 1 times [2022-12-05 23:16:42,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:42,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203249630] [2022-12-05 23:16:42,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:42,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:43,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:43,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203249630] [2022-12-05 23:16:43,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203249630] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:43,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:43,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 23:16:43,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365493362] [2022-12-05 23:16:43,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:43,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:16:43,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:43,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:16:43,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:16:43,212 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 21 [2022-12-05 23:16:43,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 21 transitions, 54 flow. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-05 23:16:43,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:43,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 21 [2022-12-05 23:16:43,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:43,439 INFO L130 PetriNetUnfolder]: 1747/2539 cut-off events. [2022-12-05 23:16:43,439 INFO L131 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2022-12-05 23:16:43,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5250 conditions, 2539 events. 1747/2539 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 11314 event pairs, 696 based on Foata normal form. 75/2614 useless extension candidates. Maximal degree in co-relation 5238. Up to 1811 conditions per place. [2022-12-05 23:16:43,453 INFO L137 encePairwiseOnDemand]: 13/21 looper letters, 30 selfloop transitions, 6 changer transitions 0/36 dead transitions. [2022-12-05 23:16:43,453 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 36 transitions, 165 flow [2022-12-05 23:16:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:16:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:16:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 39 transitions. [2022-12-05 23:16:43,461 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2022-12-05 23:16:43,462 INFO L175 Difference]: Start difference. First operand has 33 places, 21 transitions, 54 flow. Second operand 3 states and 39 transitions. [2022-12-05 23:16:43,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 36 transitions, 165 flow [2022-12-05 23:16:43,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 36 transitions, 158 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 23:16:43,466 INFO L231 Difference]: Finished difference. Result has 32 places, 24 transitions, 84 flow [2022-12-05 23:16:43,467 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=21, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2022-12-05 23:16:43,469 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, -1 predicate places. [2022-12-05 23:16:43,469 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:43,470 INFO L89 Accepts]: Start accepts. Operand has 32 places, 24 transitions, 84 flow [2022-12-05 23:16:43,471 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:43,471 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:43,472 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 24 transitions, 84 flow [2022-12-05 23:16:43,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 24 transitions, 84 flow [2022-12-05 23:16:43,480 INFO L130 PetriNetUnfolder]: 45/131 cut-off events. [2022-12-05 23:16:43,480 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-05 23:16:43,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 131 events. 45/131 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 606 event pairs, 27 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 241. Up to 78 conditions per place. [2022-12-05 23:16:43,481 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 24 transitions, 84 flow [2022-12-05 23:16:43,481 INFO L188 LiptonReduction]: Number of co-enabled transitions 200 [2022-12-05 23:16:43,492 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:43,493 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 24 [2022-12-05 23:16:43,493 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 84 flow [2022-12-05 23:16:43,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-12-05 23:16:43,494 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:43,494 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:43,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:16:43,494 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)] === [2022-12-05 23:16:43,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:43,495 INFO L85 PathProgramCache]: Analyzing trace with hash -755330469, now seen corresponding path program 1 times [2022-12-05 23:16:43,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:43,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734229367] [2022-12-05 23:16:43,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:43,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:43,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734229367] [2022-12-05 23:16:43,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734229367] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:43,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:43,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:16:43,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315751558] [2022-12-05 23:16:43,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:43,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:16:43,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:43,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:16:43,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:16:43,586 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-05 23:16:43,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 84 flow. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:16:43,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:43,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-05 23:16:43,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:43,749 INFO L130 PetriNetUnfolder]: 1630/2377 cut-off events. [2022-12-05 23:16:43,749 INFO L131 PetriNetUnfolder]: For 539/539 co-relation queries the response was YES. [2022-12-05 23:16:43,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5993 conditions, 2377 events. 1630/2377 cut-off events. For 539/539 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10167 event pairs, 243 based on Foata normal form. 21/2398 useless extension candidates. Maximal degree in co-relation 5982. Up to 1396 conditions per place. [2022-12-05 23:16:43,758 INFO L137 encePairwiseOnDemand]: 14/20 looper letters, 37 selfloop transitions, 8 changer transitions 0/45 dead transitions. [2022-12-05 23:16:43,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 45 transitions, 237 flow [2022-12-05 23:16:43,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 23:16:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 23:16:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2022-12-05 23:16:43,760 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5375 [2022-12-05 23:16:43,760 INFO L175 Difference]: Start difference. First operand has 32 places, 24 transitions, 84 flow. Second operand 4 states and 43 transitions. [2022-12-05 23:16:43,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 45 transitions, 237 flow [2022-12-05 23:16:43,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 45 transitions, 228 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:16:43,767 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 125 flow [2022-12-05 23:16:43,767 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=125, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2022-12-05 23:16:43,767 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 3 predicate places. [2022-12-05 23:16:43,768 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:43,768 INFO L89 Accepts]: Start accepts. Operand has 36 places, 28 transitions, 125 flow [2022-12-05 23:16:43,769 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:43,769 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:43,769 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 28 transitions, 125 flow [2022-12-05 23:16:43,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 28 transitions, 125 flow [2022-12-05 23:16:43,775 INFO L130 PetriNetUnfolder]: 30/95 cut-off events. [2022-12-05 23:16:43,775 INFO L131 PetriNetUnfolder]: For 36/61 co-relation queries the response was YES. [2022-12-05 23:16:43,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 95 events. 30/95 cut-off events. For 36/61 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 365 event pairs, 12 based on Foata normal form. 1/91 useless extension candidates. Maximal degree in co-relation 223. Up to 58 conditions per place. [2022-12-05 23:16:43,776 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 28 transitions, 125 flow [2022-12-05 23:16:43,776 INFO L188 LiptonReduction]: Number of co-enabled transitions 232 [2022-12-05 23:16:43,786 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:43,787 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-05 23:16:43,787 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 125 flow [2022-12-05 23:16:43,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:16:43,787 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:43,788 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:43,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:16:43,788 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)] === [2022-12-05 23:16:43,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:43,789 INFO L85 PathProgramCache]: Analyzing trace with hash -755330686, now seen corresponding path program 1 times [2022-12-05 23:16:43,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:43,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814790987] [2022-12-05 23:16:43,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:43,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:43,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:43,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:43,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814790987] [2022-12-05 23:16:43,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814790987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:43,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:43,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:16:43,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863788018] [2022-12-05 23:16:43,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:43,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:16:43,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:43,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:16:43,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:16:43,874 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-05 23:16:43,874 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 125 flow. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:16:43,874 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:43,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-05 23:16:43,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:44,036 INFO L130 PetriNetUnfolder]: 1560/2283 cut-off events. [2022-12-05 23:16:44,036 INFO L131 PetriNetUnfolder]: For 963/963 co-relation queries the response was YES. [2022-12-05 23:16:44,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6306 conditions, 2283 events. 1560/2283 cut-off events. For 963/963 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9907 event pairs, 210 based on Foata normal form. 24/2307 useless extension candidates. Maximal degree in co-relation 6292. Up to 1314 conditions per place. [2022-12-05 23:16:44,046 INFO L137 encePairwiseOnDemand]: 13/20 looper letters, 38 selfloop transitions, 8 changer transitions 0/46 dead transitions. [2022-12-05 23:16:44,046 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 46 transitions, 266 flow [2022-12-05 23:16:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 23:16:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 23:16:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2022-12-05 23:16:44,047 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.525 [2022-12-05 23:16:44,047 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 125 flow. Second operand 4 states and 42 transitions. [2022-12-05 23:16:44,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 46 transitions, 266 flow [2022-12-05 23:16:44,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 46 transitions, 266 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 23:16:44,052 INFO L231 Difference]: Finished difference. Result has 40 places, 28 transitions, 146 flow [2022-12-05 23:16:44,052 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=146, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2022-12-05 23:16:44,053 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places. [2022-12-05 23:16:44,053 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:44,053 INFO L89 Accepts]: Start accepts. Operand has 40 places, 28 transitions, 146 flow [2022-12-05 23:16:44,054 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:44,054 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:44,054 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 28 transitions, 146 flow [2022-12-05 23:16:44,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 146 flow [2022-12-05 23:16:44,060 INFO L130 PetriNetUnfolder]: 25/88 cut-off events. [2022-12-05 23:16:44,060 INFO L131 PetriNetUnfolder]: For 71/94 co-relation queries the response was YES. [2022-12-05 23:16:44,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 88 events. 25/88 cut-off events. For 71/94 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 325 event pairs, 8 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 243. Up to 50 conditions per place. [2022-12-05 23:16:44,061 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 28 transitions, 146 flow [2022-12-05 23:16:44,061 INFO L188 LiptonReduction]: Number of co-enabled transitions 232 [2022-12-05 23:16:44,062 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:44,063 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 10 [2022-12-05 23:16:44,063 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 146 flow [2022-12-05 23:16:44,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:16:44,063 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:44,064 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:44,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 23:16:44,064 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)] === [2022-12-05 23:16:44,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:44,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1940418383, now seen corresponding path program 1 times [2022-12-05 23:16:44,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:44,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122108206] [2022-12-05 23:16:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:44,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:44,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:44,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122108206] [2022-12-05 23:16:44,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122108206] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:44,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:44,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:16:44,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23416220] [2022-12-05 23:16:44,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:44,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:16:44,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:44,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:16:44,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:16:44,160 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-05 23:16:44,160 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 146 flow. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:16:44,160 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:44,160 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-05 23:16:44,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:44,383 INFO L130 PetriNetUnfolder]: 2039/3020 cut-off events. [2022-12-05 23:16:44,383 INFO L131 PetriNetUnfolder]: For 3626/3626 co-relation queries the response was YES. [2022-12-05 23:16:44,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9037 conditions, 3020 events. 2039/3020 cut-off events. For 3626/3626 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14859 event pairs, 257 based on Foata normal form. 90/3110 useless extension candidates. Maximal degree in co-relation 9020. Up to 1280 conditions per place. [2022-12-05 23:16:44,393 INFO L137 encePairwiseOnDemand]: 12/20 looper letters, 47 selfloop transitions, 9 changer transitions 16/72 dead transitions. [2022-12-05 23:16:44,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 72 transitions, 503 flow [2022-12-05 23:16:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:16:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:16:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2022-12-05 23:16:44,395 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.56 [2022-12-05 23:16:44,395 INFO L175 Difference]: Start difference. First operand has 40 places, 28 transitions, 146 flow. Second operand 5 states and 56 transitions. [2022-12-05 23:16:44,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 72 transitions, 503 flow [2022-12-05 23:16:44,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 72 transitions, 463 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:16:44,400 INFO L231 Difference]: Finished difference. Result has 43 places, 28 transitions, 157 flow [2022-12-05 23:16:44,400 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=157, PETRI_PLACES=43, PETRI_TRANSITIONS=28} [2022-12-05 23:16:44,401 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 10 predicate places. [2022-12-05 23:16:44,401 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:44,401 INFO L89 Accepts]: Start accepts. Operand has 43 places, 28 transitions, 157 flow [2022-12-05 23:16:44,401 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:44,401 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:44,402 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 28 transitions, 157 flow [2022-12-05 23:16:44,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 28 transitions, 157 flow [2022-12-05 23:16:44,407 INFO L130 PetriNetUnfolder]: 25/88 cut-off events. [2022-12-05 23:16:44,407 INFO L131 PetriNetUnfolder]: For 116/126 co-relation queries the response was YES. [2022-12-05 23:16:44,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 88 events. 25/88 cut-off events. For 116/126 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 328 event pairs, 8 based on Foata normal form. 1/86 useless extension candidates. Maximal degree in co-relation 267. Up to 50 conditions per place. [2022-12-05 23:16:44,408 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 28 transitions, 157 flow [2022-12-05 23:16:44,408 INFO L188 LiptonReduction]: Number of co-enabled transitions 212 [2022-12-05 23:16:44,409 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:44,410 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-05 23:16:44,410 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 28 transitions, 157 flow [2022-12-05 23:16:44,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:16:44,410 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:44,410 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:44,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 23:16:44,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:44,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:44,410 INFO L85 PathProgramCache]: Analyzing trace with hash -23461117, now seen corresponding path program 1 times [2022-12-05 23:16:44,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:44,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792731227] [2022-12-05 23:16:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:44,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:44,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:44,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792731227] [2022-12-05 23:16:44,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792731227] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:44,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:44,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 23:16:44,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943473103] [2022-12-05 23:16:44,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:44,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:16:44,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:44,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:16:44,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:16:44,475 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 20 [2022-12-05 23:16:44,475 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 28 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-12-05 23:16:44,475 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:44,475 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 20 [2022-12-05 23:16:44,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:44,561 INFO L130 PetriNetUnfolder]: 788/1273 cut-off events. [2022-12-05 23:16:44,561 INFO L131 PetriNetUnfolder]: For 1641/1651 co-relation queries the response was YES. [2022-12-05 23:16:44,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3953 conditions, 1273 events. 788/1273 cut-off events. For 1641/1651 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5795 event pairs, 314 based on Foata normal form. 20/1255 useless extension candidates. Maximal degree in co-relation 3934. Up to 947 conditions per place. [2022-12-05 23:16:44,568 INFO L137 encePairwiseOnDemand]: 17/20 looper letters, 34 selfloop transitions, 4 changer transitions 0/42 dead transitions. [2022-12-05 23:16:44,568 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 42 transitions, 289 flow [2022-12-05 23:16:44,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:16:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:16:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2022-12-05 23:16:44,569 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2022-12-05 23:16:44,569 INFO L175 Difference]: Start difference. First operand has 43 places, 28 transitions, 157 flow. Second operand 3 states and 38 transitions. [2022-12-05 23:16:44,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 42 transitions, 289 flow [2022-12-05 23:16:44,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 258 flow, removed 2 selfloop flow, removed 5 redundant places. [2022-12-05 23:16:44,573 INFO L231 Difference]: Finished difference. Result has 41 places, 28 transitions, 147 flow [2022-12-05 23:16:44,573 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2022-12-05 23:16:44,573 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 8 predicate places. [2022-12-05 23:16:44,573 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:44,574 INFO L89 Accepts]: Start accepts. Operand has 41 places, 28 transitions, 147 flow [2022-12-05 23:16:44,574 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:44,574 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:44,574 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 147 flow [2022-12-05 23:16:44,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 147 flow [2022-12-05 23:16:44,579 INFO L130 PetriNetUnfolder]: 22/81 cut-off events. [2022-12-05 23:16:44,579 INFO L131 PetriNetUnfolder]: For 65/68 co-relation queries the response was YES. [2022-12-05 23:16:44,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 81 events. 22/81 cut-off events. For 65/68 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 302 event pairs, 8 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 220. Up to 45 conditions per place. [2022-12-05 23:16:44,580 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 147 flow [2022-12-05 23:16:44,580 INFO L188 LiptonReduction]: Number of co-enabled transitions 212 [2022-12-05 23:16:44,581 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:44,582 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-05 23:16:44,582 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 147 flow [2022-12-05 23:16:44,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-12-05 23:16:44,582 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:44,582 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:44,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 23:16:44,582 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:44,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:44,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1780776942, now seen corresponding path program 1 times [2022-12-05 23:16:44,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:44,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54752388] [2022-12-05 23:16:44,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:44,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:44,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:44,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54752388] [2022-12-05 23:16:44,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54752388] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:44,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:44,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:16:44,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014071035] [2022-12-05 23:16:44,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:44,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:16:44,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:44,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:16:44,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:16:44,658 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-05 23:16:44,658 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 147 flow. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-12-05 23:16:44,659 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:44,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-05 23:16:44,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:44,812 INFO L130 PetriNetUnfolder]: 1333/2026 cut-off events. [2022-12-05 23:16:44,812 INFO L131 PetriNetUnfolder]: For 1808/1808 co-relation queries the response was YES. [2022-12-05 23:16:44,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5854 conditions, 2026 events. 1333/2026 cut-off events. For 1808/1808 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8982 event pairs, 321 based on Foata normal form. 44/2070 useless extension candidates. Maximal degree in co-relation 5836. Up to 888 conditions per place. [2022-12-05 23:16:44,819 INFO L137 encePairwiseOnDemand]: 14/20 looper letters, 38 selfloop transitions, 8 changer transitions 9/55 dead transitions. [2022-12-05 23:16:44,819 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 55 transitions, 348 flow [2022-12-05 23:16:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:16:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:16:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2022-12-05 23:16:44,821 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 23:16:44,821 INFO L175 Difference]: Start difference. First operand has 41 places, 28 transitions, 147 flow. Second operand 5 states and 50 transitions. [2022-12-05 23:16:44,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 55 transitions, 348 flow [2022-12-05 23:16:44,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 55 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 23:16:44,824 INFO L231 Difference]: Finished difference. Result has 45 places, 28 transitions, 169 flow [2022-12-05 23:16:44,825 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=169, PETRI_PLACES=45, PETRI_TRANSITIONS=28} [2022-12-05 23:16:44,827 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 12 predicate places. [2022-12-05 23:16:44,827 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:44,827 INFO L89 Accepts]: Start accepts. Operand has 45 places, 28 transitions, 169 flow [2022-12-05 23:16:44,827 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:44,827 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:44,828 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 28 transitions, 169 flow [2022-12-05 23:16:44,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 28 transitions, 169 flow [2022-12-05 23:16:44,832 INFO L130 PetriNetUnfolder]: 13/61 cut-off events. [2022-12-05 23:16:44,832 INFO L131 PetriNetUnfolder]: For 94/94 co-relation queries the response was YES. [2022-12-05 23:16:44,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 61 events. 13/61 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 212 event pairs, 3 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 185. Up to 32 conditions per place. [2022-12-05 23:16:44,832 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 28 transitions, 169 flow [2022-12-05 23:16:44,832 INFO L188 LiptonReduction]: Number of co-enabled transitions 164 [2022-12-05 23:16:44,836 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:44,836 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-05 23:16:44,836 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 28 transitions, 169 flow [2022-12-05 23:16:44,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-12-05 23:16:44,836 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:44,836 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:44,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 23:16:44,837 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:44,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:44,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2056925195, now seen corresponding path program 1 times [2022-12-05 23:16:44,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:44,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192113933] [2022-12-05 23:16:44,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:44,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:44,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:44,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192113933] [2022-12-05 23:16:44,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192113933] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:44,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:44,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:16:44,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097640369] [2022-12-05 23:16:44,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:44,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:16:44,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:44,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:16:44,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:16:44,904 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-05 23:16:44,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 28 transitions, 169 flow. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-12-05 23:16:44,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:44,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-05 23:16:44,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:44,989 INFO L130 PetriNetUnfolder]: 770/1195 cut-off events. [2022-12-05 23:16:44,989 INFO L131 PetriNetUnfolder]: For 1742/1742 co-relation queries the response was YES. [2022-12-05 23:16:44,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3562 conditions, 1195 events. 770/1195 cut-off events. For 1742/1742 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5008 event pairs, 134 based on Foata normal form. 36/1231 useless extension candidates. Maximal degree in co-relation 3542. Up to 600 conditions per place. [2022-12-05 23:16:44,994 INFO L137 encePairwiseOnDemand]: 15/20 looper letters, 33 selfloop transitions, 7 changer transitions 1/41 dead transitions. [2022-12-05 23:16:44,994 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 41 transitions, 284 flow [2022-12-05 23:16:44,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 23:16:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 23:16:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 38 transitions. [2022-12-05 23:16:44,995 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.475 [2022-12-05 23:16:44,995 INFO L175 Difference]: Start difference. First operand has 45 places, 28 transitions, 169 flow. Second operand 4 states and 38 transitions. [2022-12-05 23:16:44,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 41 transitions, 284 flow [2022-12-05 23:16:44,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 264 flow, removed 1 selfloop flow, removed 4 redundant places. [2022-12-05 23:16:44,998 INFO L231 Difference]: Finished difference. Result has 45 places, 27 transitions, 161 flow [2022-12-05 23:16:44,998 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=161, PETRI_PLACES=45, PETRI_TRANSITIONS=27} [2022-12-05 23:16:44,998 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 12 predicate places. [2022-12-05 23:16:44,998 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:44,999 INFO L89 Accepts]: Start accepts. Operand has 45 places, 27 transitions, 161 flow [2022-12-05 23:16:44,999 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:44,999 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:44,999 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 27 transitions, 161 flow [2022-12-05 23:16:45,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 27 transitions, 161 flow [2022-12-05 23:16:45,003 INFO L130 PetriNetUnfolder]: 7/56 cut-off events. [2022-12-05 23:16:45,004 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2022-12-05 23:16:45,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 56 events. 7/56 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 175 event pairs, 3 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 161. Up to 26 conditions per place. [2022-12-05 23:16:45,004 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 27 transitions, 161 flow [2022-12-05 23:16:45,004 INFO L188 LiptonReduction]: Number of co-enabled transitions 156 [2022-12-05 23:16:45,007 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:45,007 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-05 23:16:45,007 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 27 transitions, 161 flow [2022-12-05 23:16:45,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-12-05 23:16:45,007 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:45,008 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:45,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 23:16:45,008 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:45,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:45,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1780482132, now seen corresponding path program 2 times [2022-12-05 23:16:45,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:45,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223203756] [2022-12-05 23:16:45,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:45,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:45,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:45,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223203756] [2022-12-05 23:16:45,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223203756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:45,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:45,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:16:45,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678844512] [2022-12-05 23:16:45,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:45,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:16:45,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:45,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:16:45,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:16:45,069 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 20 [2022-12-05 23:16:45,070 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 27 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:16:45,070 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:45,070 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 20 [2022-12-05 23:16:45,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:45,129 INFO L130 PetriNetUnfolder]: 452/750 cut-off events. [2022-12-05 23:16:45,130 INFO L131 PetriNetUnfolder]: For 972/982 co-relation queries the response was YES. [2022-12-05 23:16:45,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2232 conditions, 750 events. 452/750 cut-off events. For 972/982 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 3462 event pairs, 161 based on Foata normal form. 18/719 useless extension candidates. Maximal degree in co-relation 2213. Up to 672 conditions per place. [2022-12-05 23:16:45,137 INFO L137 encePairwiseOnDemand]: 14/20 looper letters, 35 selfloop transitions, 5 changer transitions 0/44 dead transitions. [2022-12-05 23:16:45,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 44 transitions, 330 flow [2022-12-05 23:16:45,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:16:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:16:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2022-12-05 23:16:45,138 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6166666666666667 [2022-12-05 23:16:45,138 INFO L175 Difference]: Start difference. First operand has 45 places, 27 transitions, 161 flow. Second operand 3 states and 37 transitions. [2022-12-05 23:16:45,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 44 transitions, 330 flow [2022-12-05 23:16:45,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 44 transitions, 285 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-12-05 23:16:45,140 INFO L231 Difference]: Finished difference. Result has 44 places, 31 transitions, 165 flow [2022-12-05 23:16:45,140 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=44, PETRI_TRANSITIONS=31} [2022-12-05 23:16:45,142 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 11 predicate places. [2022-12-05 23:16:45,142 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:45,142 INFO L89 Accepts]: Start accepts. Operand has 44 places, 31 transitions, 165 flow [2022-12-05 23:16:45,143 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:45,143 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:45,143 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 31 transitions, 165 flow [2022-12-05 23:16:45,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 31 transitions, 165 flow [2022-12-05 23:16:45,167 INFO L130 PetriNetUnfolder]: 204/395 cut-off events. [2022-12-05 23:16:45,167 INFO L131 PetriNetUnfolder]: For 281/294 co-relation queries the response was YES. [2022-12-05 23:16:45,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 395 events. 204/395 cut-off events. For 281/294 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2111 event pairs, 108 based on Foata normal form. 2/347 useless extension candidates. Maximal degree in co-relation 959. Up to 316 conditions per place. [2022-12-05 23:16:45,169 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 31 transitions, 165 flow [2022-12-05 23:16:45,169 INFO L188 LiptonReduction]: Number of co-enabled transitions 196 [2022-12-05 23:16:45,170 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:45,171 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 29 [2022-12-05 23:16:45,171 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 31 transitions, 165 flow [2022-12-05 23:16:45,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:16:45,171 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:45,171 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:45,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 23:16:45,171 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:45,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:45,172 INFO L85 PathProgramCache]: Analyzing trace with hash 621279460, now seen corresponding path program 1 times [2022-12-05 23:16:45,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:45,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409121381] [2022-12-05 23:16:45,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:45,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:45,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:45,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409121381] [2022-12-05 23:16:45,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409121381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:45,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:45,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:16:45,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374210061] [2022-12-05 23:16:45,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:45,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:16:45,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:45,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:16:45,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:16:45,246 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 20 [2022-12-05 23:16:45,246 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 31 transitions, 165 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-12-05 23:16:45,246 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:45,246 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 20 [2022-12-05 23:16:45,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:45,307 INFO L130 PetriNetUnfolder]: 309/544 cut-off events. [2022-12-05 23:16:45,307 INFO L131 PetriNetUnfolder]: For 545/650 co-relation queries the response was YES. [2022-12-05 23:16:45,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1922 conditions, 544 events. 309/544 cut-off events. For 545/650 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2444 event pairs, 50 based on Foata normal form. 61/575 useless extension candidates. Maximal degree in co-relation 1904. Up to 387 conditions per place. [2022-12-05 23:16:45,309 INFO L137 encePairwiseOnDemand]: 14/20 looper letters, 43 selfloop transitions, 9 changer transitions 0/56 dead transitions. [2022-12-05 23:16:45,309 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 56 transitions, 389 flow [2022-12-05 23:16:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 23:16:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 23:16:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2022-12-05 23:16:45,311 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6125 [2022-12-05 23:16:45,311 INFO L175 Difference]: Start difference. First operand has 44 places, 31 transitions, 165 flow. Second operand 4 states and 49 transitions. [2022-12-05 23:16:45,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 56 transitions, 389 flow [2022-12-05 23:16:45,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 56 transitions, 376 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-05 23:16:45,313 INFO L231 Difference]: Finished difference. Result has 46 places, 35 transitions, 206 flow [2022-12-05 23:16:45,313 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=206, PETRI_PLACES=46, PETRI_TRANSITIONS=35} [2022-12-05 23:16:45,313 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 13 predicate places. [2022-12-05 23:16:45,313 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:45,313 INFO L89 Accepts]: Start accepts. Operand has 46 places, 35 transitions, 206 flow [2022-12-05 23:16:45,314 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:45,314 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:45,314 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 35 transitions, 206 flow [2022-12-05 23:16:45,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 35 transitions, 206 flow [2022-12-05 23:16:45,329 INFO L130 PetriNetUnfolder]: 135/290 cut-off events. [2022-12-05 23:16:45,329 INFO L131 PetriNetUnfolder]: For 232/423 co-relation queries the response was YES. [2022-12-05 23:16:45,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 964 conditions, 290 events. 135/290 cut-off events. For 232/423 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1449 event pairs, 33 based on Foata normal form. 5/274 useless extension candidates. Maximal degree in co-relation 948. Up to 230 conditions per place. [2022-12-05 23:16:45,331 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 35 transitions, 206 flow [2022-12-05 23:16:45,331 INFO L188 LiptonReduction]: Number of co-enabled transitions 236 [2022-12-05 23:16:45,333 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:45,334 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 21 [2022-12-05 23:16:45,334 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 206 flow [2022-12-05 23:16:45,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-12-05 23:16:45,334 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:45,334 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:45,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 23:16:45,334 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:45,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:45,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2079772592, now seen corresponding path program 1 times [2022-12-05 23:16:45,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:45,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067374021] [2022-12-05 23:16:45,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:45,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:45,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:45,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067374021] [2022-12-05 23:16:45,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067374021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:45,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:45,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:16:45,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596982303] [2022-12-05 23:16:45,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:45,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:16:45,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:45,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:16:45,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:16:45,413 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 20 [2022-12-05 23:16:45,414 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 206 flow. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-12-05 23:16:45,414 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:45,414 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 20 [2022-12-05 23:16:45,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:45,471 INFO L130 PetriNetUnfolder]: 212/390 cut-off events. [2022-12-05 23:16:45,472 INFO L131 PetriNetUnfolder]: For 584/821 co-relation queries the response was YES. [2022-12-05 23:16:45,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1642 conditions, 390 events. 212/390 cut-off events. For 584/821 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1635 event pairs, 16 based on Foata normal form. 88/458 useless extension candidates. Maximal degree in co-relation 1623. Up to 241 conditions per place. [2022-12-05 23:16:45,473 INFO L137 encePairwiseOnDemand]: 14/20 looper letters, 48 selfloop transitions, 13 changer transitions 0/65 dead transitions. [2022-12-05 23:16:45,474 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 65 transitions, 478 flow [2022-12-05 23:16:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:16:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:16:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2022-12-05 23:16:45,474 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6 [2022-12-05 23:16:45,474 INFO L175 Difference]: Start difference. First operand has 46 places, 35 transitions, 206 flow. Second operand 5 states and 60 transitions. [2022-12-05 23:16:45,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 65 transitions, 478 flow [2022-12-05 23:16:45,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 65 transitions, 460 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-05 23:16:45,477 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 256 flow [2022-12-05 23:16:45,478 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=256, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2022-12-05 23:16:45,478 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 16 predicate places. [2022-12-05 23:16:45,479 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:45,479 INFO L89 Accepts]: Start accepts. Operand has 49 places, 39 transitions, 256 flow [2022-12-05 23:16:45,480 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:45,480 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:45,481 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 39 transitions, 256 flow [2022-12-05 23:16:45,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 256 flow [2022-12-05 23:16:45,490 INFO L130 PetriNetUnfolder]: 81/188 cut-off events. [2022-12-05 23:16:45,490 INFO L131 PetriNetUnfolder]: For 301/444 co-relation queries the response was YES. [2022-12-05 23:16:45,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 188 events. 81/188 cut-off events. For 301/444 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 797 event pairs, 5 based on Foata normal form. 12/186 useless extension candidates. Maximal degree in co-relation 714. Up to 137 conditions per place. [2022-12-05 23:16:45,492 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 39 transitions, 256 flow [2022-12-05 23:16:45,492 INFO L188 LiptonReduction]: Number of co-enabled transitions 230 [2022-12-05 23:16:45,493 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:45,493 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 14 [2022-12-05 23:16:45,494 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 256 flow [2022-12-05 23:16:45,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-12-05 23:16:45,494 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:45,494 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:45,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-05 23:16:45,494 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:45,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:45,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1863094497, now seen corresponding path program 1 times [2022-12-05 23:16:45,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:45,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918150161] [2022-12-05 23:16:45,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:45,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:45,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:45,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918150161] [2022-12-05 23:16:45,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918150161] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:45,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:45,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:16:45,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745212355] [2022-12-05 23:16:45,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:45,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:16:45,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:45,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:16:45,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:16:45,580 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-05 23:16:45,580 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 256 flow. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-05 23:16:45,580 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:45,580 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-05 23:16:45,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:45,674 INFO L130 PetriNetUnfolder]: 320/570 cut-off events. [2022-12-05 23:16:45,674 INFO L131 PetriNetUnfolder]: For 1343/1343 co-relation queries the response was YES. [2022-12-05 23:16:45,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2557 conditions, 570 events. 320/570 cut-off events. For 1343/1343 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2313 event pairs, 24 based on Foata normal form. 6/576 useless extension candidates. Maximal degree in co-relation 2537. Up to 271 conditions per place. [2022-12-05 23:16:45,676 INFO L137 encePairwiseOnDemand]: 12/20 looper letters, 42 selfloop transitions, 10 changer transitions 36/88 dead transitions. [2022-12-05 23:16:45,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 88 transitions, 765 flow [2022-12-05 23:16:45,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 23:16:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 23:16:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-12-05 23:16:45,677 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.43333333333333335 [2022-12-05 23:16:45,677 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 256 flow. Second operand 6 states and 52 transitions. [2022-12-05 23:16:45,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 88 transitions, 765 flow [2022-12-05 23:16:45,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 88 transitions, 661 flow, removed 24 selfloop flow, removed 3 redundant places. [2022-12-05 23:16:45,681 INFO L231 Difference]: Finished difference. Result has 53 places, 37 transitions, 233 flow [2022-12-05 23:16:45,681 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=233, PETRI_PLACES=53, PETRI_TRANSITIONS=37} [2022-12-05 23:16:45,681 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 20 predicate places. [2022-12-05 23:16:45,681 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:45,681 INFO L89 Accepts]: Start accepts. Operand has 53 places, 37 transitions, 233 flow [2022-12-05 23:16:45,682 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:45,682 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:45,682 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 37 transitions, 233 flow [2022-12-05 23:16:45,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 37 transitions, 233 flow [2022-12-05 23:16:45,691 INFO L130 PetriNetUnfolder]: 59/160 cut-off events. [2022-12-05 23:16:45,691 INFO L131 PetriNetUnfolder]: For 191/238 co-relation queries the response was YES. [2022-12-05 23:16:45,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 160 events. 59/160 cut-off events. For 191/238 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 718 event pairs, 5 based on Foata normal form. 8/154 useless extension candidates. Maximal degree in co-relation 485. Up to 72 conditions per place. [2022-12-05 23:16:45,692 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 37 transitions, 233 flow [2022-12-05 23:16:45,692 INFO L188 LiptonReduction]: Number of co-enabled transitions 196 [2022-12-05 23:16:45,750 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:16:45,751 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 70 [2022-12-05 23:16:45,751 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 36 transitions, 231 flow [2022-12-05 23:16:45,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-05 23:16:45,751 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:45,751 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:45,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-05 23:16:45,752 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:45,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:45,752 INFO L85 PathProgramCache]: Analyzing trace with hash -354566032, now seen corresponding path program 1 times [2022-12-05 23:16:45,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:45,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369145027] [2022-12-05 23:16:45,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:45,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:45,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369145027] [2022-12-05 23:16:45,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369145027] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:45,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:45,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 23:16:45,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50847312] [2022-12-05 23:16:45,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:45,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 23:16:45,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:45,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 23:16:45,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-05 23:16:45,815 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 19 [2022-12-05 23:16:45,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 36 transitions, 231 flow. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-12-05 23:16:45,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:45,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 19 [2022-12-05 23:16:45,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:45,873 INFO L130 PetriNetUnfolder]: 224/431 cut-off events. [2022-12-05 23:16:45,874 INFO L131 PetriNetUnfolder]: For 896/910 co-relation queries the response was YES. [2022-12-05 23:16:45,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1758 conditions, 431 events. 224/431 cut-off events. For 896/910 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1819 event pairs, 62 based on Foata normal form. 4/432 useless extension candidates. Maximal degree in co-relation 1736. Up to 205 conditions per place. [2022-12-05 23:16:45,875 INFO L137 encePairwiseOnDemand]: 15/19 looper letters, 35 selfloop transitions, 3 changer transitions 37/77 dead transitions. [2022-12-05 23:16:45,875 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 77 transitions, 601 flow [2022-12-05 23:16:45,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:16:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:16:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2022-12-05 23:16:45,876 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4421052631578947 [2022-12-05 23:16:45,876 INFO L175 Difference]: Start difference. First operand has 52 places, 36 transitions, 231 flow. Second operand 5 states and 42 transitions. [2022-12-05 23:16:45,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 77 transitions, 601 flow [2022-12-05 23:16:45,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 77 transitions, 601 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 23:16:45,879 INFO L231 Difference]: Finished difference. Result has 57 places, 34 transitions, 224 flow [2022-12-05 23:16:45,879 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=19, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=224, PETRI_PLACES=57, PETRI_TRANSITIONS=34} [2022-12-05 23:16:45,880 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2022-12-05 23:16:45,880 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:16:45,880 INFO L89 Accepts]: Start accepts. Operand has 57 places, 34 transitions, 224 flow [2022-12-05 23:16:45,880 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:16:45,880 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:45,881 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 34 transitions, 224 flow [2022-12-05 23:16:45,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 34 transitions, 224 flow [2022-12-05 23:16:45,887 INFO L130 PetriNetUnfolder]: 45/121 cut-off events. [2022-12-05 23:16:45,887 INFO L131 PetriNetUnfolder]: For 383/449 co-relation queries the response was YES. [2022-12-05 23:16:45,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 121 events. 45/121 cut-off events. For 383/449 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 480 event pairs, 2 based on Foata normal form. 10/118 useless extension candidates. Maximal degree in co-relation 365. Up to 47 conditions per place. [2022-12-05 23:16:45,888 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 34 transitions, 224 flow [2022-12-05 23:16:45,888 INFO L188 LiptonReduction]: Number of co-enabled transitions 132 [2022-12-05 23:16:45,903 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:16:45,904 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 24 [2022-12-05 23:16:45,904 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 34 transitions, 226 flow [2022-12-05 23:16:45,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-12-05 23:16:45,904 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:16:45,904 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:45,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-05 23:16:45,905 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:16:45,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:16:45,905 INFO L85 PathProgramCache]: Analyzing trace with hash -338893300, now seen corresponding path program 2 times [2022-12-05 23:16:45,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:16:45,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829892702] [2022-12-05 23:16:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:16:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:16:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:16:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:16:46,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:16:46,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829892702] [2022-12-05 23:16:46,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829892702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:16:46,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:16:46,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:16:46,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124310826] [2022-12-05 23:16:46,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:16:46,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:16:46,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:16:46,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:16:46,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:16:46,004 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 20 [2022-12-05 23:16:46,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 34 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-12-05 23:16:46,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:16:46,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 20 [2022-12-05 23:16:46,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:16:46,056 INFO L130 PetriNetUnfolder]: 127/251 cut-off events. [2022-12-05 23:16:46,056 INFO L131 PetriNetUnfolder]: For 580/679 co-relation queries the response was YES. [2022-12-05 23:16:46,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1011 conditions, 251 events. 127/251 cut-off events. For 580/679 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1015 event pairs, 9 based on Foata normal form. 33/274 useless extension candidates. Maximal degree in co-relation 996. Up to 85 conditions per place. [2022-12-05 23:16:46,057 INFO L137 encePairwiseOnDemand]: 14/20 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2022-12-05 23:16:46,057 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 51 transitions, 407 flow [2022-12-05 23:16:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 23:16:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 23:16:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 57 transitions. [2022-12-05 23:16:46,058 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.475 [2022-12-05 23:16:46,058 INFO L175 Difference]: Start difference. First operand has 55 places, 34 transitions, 226 flow. Second operand 6 states and 57 transitions. [2022-12-05 23:16:46,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 51 transitions, 407 flow [2022-12-05 23:16:46,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 372 flow, removed 0 selfloop flow, removed 7 redundant places. [2022-12-05 23:16:46,060 INFO L231 Difference]: Finished difference. Result has 52 places, 0 transitions, 0 flow [2022-12-05 23:16:46,060 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=52, PETRI_TRANSITIONS=0} [2022-12-05 23:16:46,060 INFO L294 CegarLoopForPetriNet]: 33 programPoint places, 19 predicate places. [2022-12-05 23:16:46,061 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:16:46,061 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 0 transitions, 0 flow [2022-12-05 23:16:46,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-05 23:16:46,061 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-05 23:16:46,061 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:16:46,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-05 23:16:46,061 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-05 23:16:46,061 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-05 23:16:46,061 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:16:46,062 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-05 23:16:46,062 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-05 23:16:46,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-12-05 23:16:46,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-05 23:16:46,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-12-05 23:16:46,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-05 23:16:46,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-05 23:16:46,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-05 23:16:46,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-05 23:16:46,065 INFO L458 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:16:46,068 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:16:46,068 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:16:46,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:16:46 BasicIcfg [2022-12-05 23:16:46,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:16:46,070 INFO L158 Benchmark]: Toolchain (without parser) took 6289.44ms. Allocated memory was 182.5MB in the beginning and 316.7MB in the end (delta: 134.2MB). Free memory was 158.0MB in the beginning and 281.2MB in the end (delta: -123.3MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-12-05 23:16:46,070 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory was 160.0MB in the beginning and 160.0MB in the end (delta: 67.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:16:46,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.17ms. Allocated memory is still 182.5MB. Free memory was 158.0MB in the beginning and 134.3MB in the end (delta: 23.7MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-12-05 23:16:46,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.28ms. Allocated memory is still 182.5MB. Free memory was 133.7MB in the beginning and 132.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 23:16:46,071 INFO L158 Benchmark]: Boogie Preprocessor took 14.56ms. Allocated memory is still 182.5MB. Free memory was 132.2MB in the beginning and 130.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 23:16:46,071 INFO L158 Benchmark]: RCFGBuilder took 351.40ms. Allocated memory is still 182.5MB. Free memory was 130.6MB in the beginning and 116.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-05 23:16:46,071 INFO L158 Benchmark]: TraceAbstraction took 5506.96ms. Allocated memory was 182.5MB in the beginning and 316.7MB in the end (delta: 134.2MB). Free memory was 115.4MB in the beginning and 281.2MB in the end (delta: -165.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:16:46,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory was 160.0MB in the beginning and 160.0MB in the end (delta: 67.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.17ms. Allocated memory is still 182.5MB. Free memory was 158.0MB in the beginning and 134.3MB in the end (delta: 23.7MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.28ms. Allocated memory is still 182.5MB. Free memory was 133.7MB in the beginning and 132.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.56ms. Allocated memory is still 182.5MB. Free memory was 132.2MB in the beginning and 130.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 351.40ms. Allocated memory is still 182.5MB. Free memory was 130.6MB in the beginning and 116.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 5506.96ms. Allocated memory was 182.5MB in the beginning and 316.7MB in the end (delta: 134.2MB). Free memory was 115.4MB in the beginning and 281.2MB in the end (delta: -165.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 93 PlacesBefore, 33 PlacesAfterwards, 81 TransitionsBefore, 21 TransitionsAfterwards, 1542 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 40 ConcurrentYvCompositions, 0 ChoiceCompositions, 61 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1011, independent: 974, independent conditional: 974, independent unconditional: 0, dependent: 37, dependent conditional: 37, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1011, independent: 974, independent conditional: 0, independent unconditional: 974, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1011, independent: 974, independent conditional: 0, independent unconditional: 974, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1011, independent: 974, independent conditional: 0, independent unconditional: 974, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 920, independent: 891, independent conditional: 0, independent unconditional: 891, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 920, independent: 877, independent conditional: 0, independent unconditional: 877, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1011, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 920, unknown conditional: 0, unknown unconditional: 920] , Statistics on independence cache: Total cache size (in pairs): 1444, Positive cache size: 1415, Positive conditional cache size: 0, Positive unconditional cache size: 1415, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 32 PlacesBefore, 32 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, independent: 32, independent conditional: 32, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36, independent: 32, independent conditional: 10, independent unconditional: 22, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36, independent: 32, independent conditional: 4, independent unconditional: 28, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36, independent: 32, independent conditional: 4, independent unconditional: 28, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, independent: 26, independent conditional: 4, independent unconditional: 22, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 30, unknown conditional: 4, unknown unconditional: 26] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 26, Positive conditional cache size: 4, Positive unconditional cache size: 22, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 36 PlacesBefore, 36 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 71, independent: 62, independent conditional: 62, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 71, independent: 62, independent conditional: 19, independent unconditional: 43, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 71, independent: 62, independent conditional: 11, independent unconditional: 51, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71, independent: 62, independent conditional: 11, independent unconditional: 51, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, independent: 15, independent conditional: 0, independent unconditional: 15, 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: 16, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, independent: 47, independent conditional: 11, independent unconditional: 36, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 41, Positive conditional cache size: 4, Positive unconditional cache size: 37, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 40 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, independent: 46, independent conditional: 46, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 53, independent: 46, independent conditional: 13, independent unconditional: 33, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53, independent: 46, independent conditional: 7, independent unconditional: 39, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53, independent: 46, independent conditional: 7, independent unconditional: 39, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53, independent: 46, independent conditional: 7, independent unconditional: 39, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 41, Positive conditional cache size: 4, Positive unconditional cache size: 37, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 43 PlacesBefore, 43 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, independent: 43, independent conditional: 43, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 49, independent: 43, independent conditional: 13, independent unconditional: 30, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49, independent: 43, independent conditional: 6, independent unconditional: 37, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49, independent: 43, independent conditional: 6, independent unconditional: 37, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49, independent: 43, independent conditional: 6, independent unconditional: 37, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 41, Positive conditional cache size: 4, Positive unconditional cache size: 37, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 41 PlacesBefore, 41 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43, independent: 37, independent conditional: 37, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 43, independent: 37, independent conditional: 12, independent unconditional: 25, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 41, Positive conditional cache size: 4, Positive unconditional cache size: 37, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, independent: 48, independent conditional: 48, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 57, independent: 48, independent conditional: 14, independent unconditional: 34, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 51, Positive cache size: 46, Positive conditional cache size: 4, Positive unconditional cache size: 42, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, independent: 32, independent conditional: 32, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 38, independent: 32, independent conditional: 8, independent unconditional: 24, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 38, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 38, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 50, Positive conditional cache size: 4, Positive unconditional cache size: 46, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 44 PlacesBefore, 44 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 196 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 50, Positive conditional cache size: 4, Positive unconditional cache size: 46, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 46 PlacesBefore, 46 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 50, Positive conditional cache size: 4, Positive unconditional cache size: 46, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 49 PlacesBefore, 49 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 50, Positive conditional cache size: 4, Positive unconditional cache size: 46, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, 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, 53 PlacesBefore, 52 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 196 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 53, Positive conditional cache size: 4, Positive unconditional cache size: 49, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 55 PlacesBefore, 55 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, independent: 9, independent conditional: 6, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 58, Positive conditional cache size: 4, Positive unconditional cache size: 54, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 58, Positive conditional cache size: 4, Positive unconditional cache size: 54, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 128 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.4s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 366 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 667 IncrementalHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 15 mSDtfsCounter, 667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=10, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 23:16:46,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...