./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:39:11,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:39:11,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:39:11,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:39:11,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:39:11,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:39:11,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:39:11,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:39:11,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:39:11,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:39:11,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:39:11,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:39:11,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:39:11,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:39:11,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:39:11,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:39:11,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:39:11,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:39:11,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:39:11,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:39:11,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:39:11,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:39:11,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:39:11,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:39:11,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:39:11,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:39:11,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:39:11,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:39:11,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:39:11,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:39:11,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:39:11,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:39:11,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:39:11,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:39:11,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:39:11,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:39:11,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:39:11,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:39:11,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:39:11,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:39:11,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:39:11,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:39:11,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:39:11,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:39:11,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:39:11,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:39:11,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:39:11,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:39:11,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:39:11,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:39:11,347 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:39:11,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:39:11,347 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:39:11,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:39:11,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:39:11,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:39:11,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:39:11,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:39:11,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:39:11,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:39:11,350 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:39:11,350 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 [2022-12-13 13:39:11,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:39:11,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:39:11,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:39:11,544 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:39:11,545 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:39:11,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2022-12-13 13:39:14,253 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:39:14,521 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:39:14,521 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2022-12-13 13:39:14,542 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/data/c71e13d4f/15c743e924d34df0b660c23fa1f7fbe8/FLAG9d28be55a [2022-12-13 13:39:14,554 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/data/c71e13d4f/15c743e924d34df0b660c23fa1f7fbe8 [2022-12-13 13:39:14,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:39:14,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:39:14,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:39:14,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:39:14,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:39:14,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:39:14" (1/1) ... [2022-12-13 13:39:14,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b8e4f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:14, skipping insertion in model container [2022-12-13 13:39:14,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:39:14" (1/1) ... [2022-12-13 13:39:14,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:39:14,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:39:14,754 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:39:15,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2022-12-13 13:39:15,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:39:15,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:39:15,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:39:15,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:39:15,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:39:15,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:39:15,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:39:15,195 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:39:15,203 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:39:15,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i[75009,75022] [2022-12-13 13:39:15,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:39:15,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:39:15,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:39:15,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:39:15,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:39:15,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:39:15,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:39:15,299 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:39:15,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15 WrapperNode [2022-12-13 13:39:15,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:39:15,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:39:15,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:39:15,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:39:15,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,346 INFO L138 Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-12-13 13:39:15,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:39:15,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:39:15,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:39:15,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:39:15,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,378 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:39:15,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:39:15,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:39:15,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:39:15,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:39:15,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:39:15,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:39:15,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58750fe-edce-4eea-b8af-15824becdca1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:39:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 13:39:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:39:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 13:39:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:39:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:39:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:39:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:39:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:39:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-13 13:39:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-13 13:39:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:39:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:39:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:39:15,446 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 13:39:15,695 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:39:15,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:39:16,016 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:39:16,060 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:39:16,060 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:39:16,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:39:16 BoogieIcfgContainer [2022-12-13 13:39:16,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:39:16,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:39:16,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:39:16,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:39:16,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:39:14" (1/3) ... [2022-12-13 13:39:16,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d55a130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:39:16, skipping insertion in model container [2022-12-13 13:39:16,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (2/3) ... [2022-12-13 13:39:16,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d55a130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:39:16, skipping insertion in model container [2022-12-13 13:39:16,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:39:16" (3/3) ... [2022-12-13 13:39:16,068 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2022-12-13 13:39:16,074 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:39:16,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:39:16,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-12-13 13:39:16,082 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:39:16,136 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 13:39:16,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 277 transitions, 570 flow [2022-12-13 13:39:16,258 INFO L130 PetriNetUnfolder]: 10/354 cut-off events. [2022-12-13 13:39:16,258 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 13:39:16,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 354 events. 10/354 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 583 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 206. Up to 4 conditions per place. [2022-12-13 13:39:16,262 INFO L82 GeneralOperation]: Start removeDead. Operand has 275 places, 277 transitions, 570 flow [2022-12-13 13:39:16,266 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 274 transitions, 560 flow [2022-12-13 13:39:16,269 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:39:16,276 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 274 transitions, 560 flow [2022-12-13 13:39:16,278 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 274 transitions, 560 flow [2022-12-13 13:39:16,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 274 transitions, 560 flow [2022-12-13 13:39:16,325 INFO L130 PetriNetUnfolder]: 9/353 cut-off events. [2022-12-13 13:39:16,325 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 13:39:16,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 353 events. 9/353 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 599 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 205. Up to 4 conditions per place. [2022-12-13 13:39:16,329 INFO L119 LiptonReduction]: Number of co-enabled transitions 5880 [2022-12-13 13:40:07,922 WARN L233 SmtUtils]: Spent 17.49s on a formula simplification. DAG size of input: 209 DAG size of output: 204 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 13:40:25,204 WARN L233 SmtUtils]: Spent 13.27s on a formula simplification. DAG size of input: 215 DAG size of output: 210 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 13:40:34,256 WARN L233 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 197 DAG size of output: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 13:40:43,919 WARN L233 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 203 DAG size of output: 198 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 13:40:55,432 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 121 DAG size of output: 119 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 13:40:56,780 INFO L134 LiptonReduction]: Checked pairs total: 37378 [2022-12-13 13:40:56,780 INFO L136 LiptonReduction]: Total number of compositions: 270 [2022-12-13 13:40:56,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:40:56,793 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=true, mAutomataTypeConcurrency=PETRI_NET, 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;@3ba08093, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:40:56,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-12-13 13:40:56,794 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 13:40:56,794 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:40:56,794 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:40:56,794 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 13:40:56,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:40:56,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:40:56,798 INFO L85 PathProgramCache]: Analyzing trace with hash 938, now seen corresponding path program 1 times [2022-12-13 13:40:56,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:40:56,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083766104] [2022-12-13 13:40:56,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:40:56,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:40:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:40:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:40:56,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:40:56,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083766104] [2022-12-13 13:40:56,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083766104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:40:56,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:40:56,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 13:40:56,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739325739] [2022-12-13 13:40:56,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:40:56,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:40:56,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:40:56,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:40:56,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:40:56,963 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 547 [2022-12-13 13:40:56,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 172 flow. Second operand has 2 states, 2 states have (on average 249.5) internal successors, (499), 2 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:56,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:40:56,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 547 [2022-12-13 13:40:56,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:40:57,353 INFO L130 PetriNetUnfolder]: 651/1733 cut-off events. [2022-12-13 13:40:57,353 INFO L131 PetriNetUnfolder]: For 39/68 co-relation queries the response was YES. [2022-12-13 13:40:57,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2847 conditions, 1733 events. 651/1733 cut-off events. For 39/68 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 11133 event pairs, 650 based on Foata normal form. 74/1688 useless extension candidates. Maximal degree in co-relation 2677. Up to 1090 conditions per place. [2022-12-13 13:40:57,362 INFO L137 encePairwiseOnDemand]: 532/547 looper letters, 30 selfloop transitions, 0 changer transitions 0/65 dead transitions. [2022-12-13 13:40:57,362 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 65 transitions, 202 flow [2022-12-13 13:40:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:40:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 13:40:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 543 transitions. [2022-12-13 13:40:57,373 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4963436928702011 [2022-12-13 13:40:57,374 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 543 transitions. [2022-12-13 13:40:57,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 543 transitions. [2022-12-13 13:40:57,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:40:57,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 543 transitions. [2022-12-13 13:40:57,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 271.5) internal successors, (543), 2 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 547.0) internal successors, (1641), 3 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,384 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 547.0) internal successors, (1641), 3 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,386 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 172 flow. Second operand 2 states and 543 transitions. [2022-12-13 13:40:57,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 65 transitions, 202 flow [2022-12-13 13:40:57,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 65 transitions, 194 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 13:40:57,390 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 134 flow [2022-12-13 13:40:57,392 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2022-12-13 13:40:57,395 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -16 predicate places. [2022-12-13 13:40:57,395 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 134 flow [2022-12-13 13:40:57,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 249.5) internal successors, (499), 2 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,395 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:40:57,395 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 13:40:57,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:40:57,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:40:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:40:57,396 INFO L85 PathProgramCache]: Analyzing trace with hash 29009802, now seen corresponding path program 1 times [2022-12-13 13:40:57,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:40:57,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731619431] [2022-12-13 13:40:57,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:40:57,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:40:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:40:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:40:57,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:40:57,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731619431] [2022-12-13 13:40:57,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731619431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:40:57,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:40:57,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:40:57,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889844633] [2022-12-13 13:40:57,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:40:57,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:40:57,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:40:57,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:40:57,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:40:57,532 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 547 [2022-12-13 13:40:57,533 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,533 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:40:57,534 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 547 [2022-12-13 13:40:57,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:40:57,920 INFO L130 PetriNetUnfolder]: 650/1203 cut-off events. [2022-12-13 13:40:57,920 INFO L131 PetriNetUnfolder]: For 4/23 co-relation queries the response was YES. [2022-12-13 13:40:57,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 1203 events. 650/1203 cut-off events. For 4/23 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6451 event pairs, 235 based on Foata normal form. 1/1063 useless extension candidates. Maximal degree in co-relation 2306. Up to 1072 conditions per place. [2022-12-13 13:40:57,924 INFO L137 encePairwiseOnDemand]: 543/547 looper letters, 38 selfloop transitions, 2 changer transitions 4/77 dead transitions. [2022-12-13 13:40:57,924 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 77 transitions, 247 flow [2022-12-13 13:40:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:40:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:40:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2022-12-13 13:40:57,927 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4704448507007922 [2022-12-13 13:40:57,927 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 772 transitions. [2022-12-13 13:40:57,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 772 transitions. [2022-12-13 13:40:57,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:40:57,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 772 transitions. [2022-12-13 13:40:57,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 547.0) internal successors, (2188), 4 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,932 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 547.0) internal successors, (2188), 4 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,932 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 134 flow. Second operand 3 states and 772 transitions. [2022-12-13 13:40:57,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 77 transitions, 247 flow [2022-12-13 13:40:57,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 77 transitions, 247 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:40:57,934 INFO L231 Difference]: Finished difference. Result has 68 places, 63 transitions, 140 flow [2022-12-13 13:40:57,934 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=68, PETRI_TRANSITIONS=63} [2022-12-13 13:40:57,934 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -15 predicate places. [2022-12-13 13:40:57,935 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 63 transitions, 140 flow [2022-12-13 13:40:57,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:57,935 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:40:57,935 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:40:57,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:40:57,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:40:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:40:57,936 INFO L85 PathProgramCache]: Analyzing trace with hash 284592307, now seen corresponding path program 1 times [2022-12-13 13:40:57,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:40:57,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643273006] [2022-12-13 13:40:57,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:40:57,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:40:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:40:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:40:58,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:40:58,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643273006] [2022-12-13 13:40:58,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643273006] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:40:58,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:40:58,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:40:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99887090] [2022-12-13 13:40:58,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:40:58,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:40:58,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:40:58,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:40:58,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:40:58,022 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 547 [2022-12-13 13:40:58,024 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 63 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:58,024 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:40:58,024 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 547 [2022-12-13 13:40:58,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:40:58,423 INFO L130 PetriNetUnfolder]: 530/1681 cut-off events. [2022-12-13 13:40:58,423 INFO L131 PetriNetUnfolder]: For 116/140 co-relation queries the response was YES. [2022-12-13 13:40:58,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2724 conditions, 1681 events. 530/1681 cut-off events. For 116/140 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 11611 event pairs, 485 based on Foata normal form. 0/1602 useless extension candidates. Maximal degree in co-relation 2720. Up to 893 conditions per place. [2022-12-13 13:40:58,430 INFO L137 encePairwiseOnDemand]: 545/547 looper letters, 35 selfloop transitions, 1 changer transitions 0/69 dead transitions. [2022-12-13 13:40:58,430 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 69 transitions, 224 flow [2022-12-13 13:40:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:40:58,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:40:58,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 770 transitions. [2022-12-13 13:40:58,433 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4692260816575259 [2022-12-13 13:40:58,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 770 transitions. [2022-12-13 13:40:58,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 770 transitions. [2022-12-13 13:40:58,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:40:58,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 770 transitions. [2022-12-13 13:40:58,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 256.6666666666667) internal successors, (770), 3 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:58,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 547.0) internal successors, (2188), 4 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:58,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 547.0) internal successors, (2188), 4 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:58,437 INFO L175 Difference]: Start difference. First operand has 68 places, 63 transitions, 140 flow. Second operand 3 states and 770 transitions. [2022-12-13 13:40:58,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 69 transitions, 224 flow [2022-12-13 13:40:58,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 69 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:40:58,439 INFO L231 Difference]: Finished difference. Result has 69 places, 63 transitions, 145 flow [2022-12-13 13:40:58,439 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=145, PETRI_PLACES=69, PETRI_TRANSITIONS=63} [2022-12-13 13:40:58,440 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -14 predicate places. [2022-12-13 13:40:58,440 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 63 transitions, 145 flow [2022-12-13 13:40:58,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:58,441 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:40:58,441 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:40:58,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:40:58,441 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:40:58,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:40:58,442 INFO L85 PathProgramCache]: Analyzing trace with hash -503838148, now seen corresponding path program 1 times [2022-12-13 13:40:58,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:40:58,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518191892] [2022-12-13 13:40:58,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:40:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:40:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:40:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:40:58,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:40:58,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518191892] [2022-12-13 13:40:58,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518191892] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:40:58,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:40:58,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:40:58,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599885902] [2022-12-13 13:40:58,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:40:58,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:40:58,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:40:58,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:40:58,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:40:59,167 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 547 [2022-12-13 13:40:59,169 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 63 transitions, 145 flow. Second operand has 6 states, 6 states have (on average 205.16666666666666) internal successors, (1231), 6 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:59,169 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:40:59,169 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 547 [2022-12-13 13:40:59,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:40:59,925 INFO L130 PetriNetUnfolder]: 1480/2920 cut-off events. [2022-12-13 13:40:59,926 INFO L131 PetriNetUnfolder]: For 326/326 co-relation queries the response was YES. [2022-12-13 13:40:59,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5757 conditions, 2920 events. 1480/2920 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 16632 event pairs, 1035 based on Foata normal form. 0/2833 useless extension candidates. Maximal degree in co-relation 5751. Up to 2208 conditions per place. [2022-12-13 13:40:59,936 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 69 selfloop transitions, 30 changer transitions 0/115 dead transitions. [2022-12-13 13:40:59,937 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 115 transitions, 487 flow [2022-12-13 13:40:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:40:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:40:59,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1314 transitions. [2022-12-13 13:40:59,941 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40036563071297987 [2022-12-13 13:40:59,941 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1314 transitions. [2022-12-13 13:40:59,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1314 transitions. [2022-12-13 13:40:59,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:40:59,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1314 transitions. [2022-12-13 13:40:59,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:59,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 547.0) internal successors, (3829), 7 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:59,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 547.0) internal successors, (3829), 7 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:59,947 INFO L175 Difference]: Start difference. First operand has 69 places, 63 transitions, 145 flow. Second operand 6 states and 1314 transitions. [2022-12-13 13:40:59,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 115 transitions, 487 flow [2022-12-13 13:40:59,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 115 transitions, 486 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:40:59,949 INFO L231 Difference]: Finished difference. Result has 77 places, 91 transitions, 315 flow [2022-12-13 13:40:59,949 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=315, PETRI_PLACES=77, PETRI_TRANSITIONS=91} [2022-12-13 13:40:59,950 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -6 predicate places. [2022-12-13 13:40:59,950 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 91 transitions, 315 flow [2022-12-13 13:40:59,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.16666666666666) internal successors, (1231), 6 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:40:59,950 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:40:59,950 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:40:59,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:40:59,950 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:40:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:40:59,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2040679617, now seen corresponding path program 1 times [2022-12-13 13:40:59,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:40:59,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054956624] [2022-12-13 13:40:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:40:59,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:40:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:00,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:00,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054956624] [2022-12-13 13:41:00,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054956624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:00,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:00,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:41:00,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136928151] [2022-12-13 13:41:00,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:00,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:41:00,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:00,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:41:00,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:41:00,642 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 547 [2022-12-13 13:41:00,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 91 transitions, 315 flow. Second operand has 6 states, 6 states have (on average 227.83333333333334) internal successors, (1367), 6 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:00,645 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:00,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 547 [2022-12-13 13:41:00,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:01,442 INFO L130 PetriNetUnfolder]: 1719/3402 cut-off events. [2022-12-13 13:41:01,442 INFO L131 PetriNetUnfolder]: For 1044/1046 co-relation queries the response was YES. [2022-12-13 13:41:01,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8419 conditions, 3402 events. 1719/3402 cut-off events. For 1044/1046 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 20136 event pairs, 966 based on Foata normal form. 1/3365 useless extension candidates. Maximal degree in co-relation 8409. Up to 2443 conditions per place. [2022-12-13 13:41:01,452 INFO L137 encePairwiseOnDemand]: 536/547 looper letters, 107 selfloop transitions, 22 changer transitions 0/148 dead transitions. [2022-12-13 13:41:01,453 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 148 transitions, 780 flow [2022-12-13 13:41:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:41:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:41:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1448 transitions. [2022-12-13 13:41:01,456 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.441194393662401 [2022-12-13 13:41:01,456 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1448 transitions. [2022-12-13 13:41:01,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1448 transitions. [2022-12-13 13:41:01,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:01,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1448 transitions. [2022-12-13 13:41:01,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.33333333333334) internal successors, (1448), 6 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:01,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 547.0) internal successors, (3829), 7 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:01,463 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 547.0) internal successors, (3829), 7 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:01,463 INFO L175 Difference]: Start difference. First operand has 77 places, 91 transitions, 315 flow. Second operand 6 states and 1448 transitions. [2022-12-13 13:41:01,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 148 transitions, 780 flow [2022-12-13 13:41:01,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 148 transitions, 780 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:41:01,468 INFO L231 Difference]: Finished difference. Result has 87 places, 112 transitions, 500 flow [2022-12-13 13:41:01,468 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=500, PETRI_PLACES=87, PETRI_TRANSITIONS=112} [2022-12-13 13:41:01,468 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 4 predicate places. [2022-12-13 13:41:01,469 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 112 transitions, 500 flow [2022-12-13 13:41:01,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 227.83333333333334) internal successors, (1367), 6 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:01,469 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:01,469 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:01,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:41:01,469 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:01,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:01,470 INFO L85 PathProgramCache]: Analyzing trace with hash 898171183, now seen corresponding path program 1 times [2022-12-13 13:41:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:01,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791907596] [2022-12-13 13:41:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:01,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:01,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:01,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791907596] [2022-12-13 13:41:01,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791907596] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:01,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:01,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:41:01,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375708938] [2022-12-13 13:41:01,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:01,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:41:01,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:01,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:41:01,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:41:02,059 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 547 [2022-12-13 13:41:02,060 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 112 transitions, 500 flow. Second operand has 6 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:02,060 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:02,060 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 547 [2022-12-13 13:41:02,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:03,097 INFO L130 PetriNetUnfolder]: 2009/3720 cut-off events. [2022-12-13 13:41:03,097 INFO L131 PetriNetUnfolder]: For 2467/2484 co-relation queries the response was YES. [2022-12-13 13:41:03,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10709 conditions, 3720 events. 2009/3720 cut-off events. For 2467/2484 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 20967 event pairs, 1122 based on Foata normal form. 0/3658 useless extension candidates. Maximal degree in co-relation 10694. Up to 2942 conditions per place. [2022-12-13 13:41:03,111 INFO L137 encePairwiseOnDemand]: 535/547 looper letters, 115 selfloop transitions, 29 changer transitions 0/164 dead transitions. [2022-12-13 13:41:03,111 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 164 transitions, 1012 flow [2022-12-13 13:41:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:41:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:41:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1314 transitions. [2022-12-13 13:41:03,114 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40036563071297987 [2022-12-13 13:41:03,114 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1314 transitions. [2022-12-13 13:41:03,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1314 transitions. [2022-12-13 13:41:03,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:03,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1314 transitions. [2022-12-13 13:41:03,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 547.0) internal successors, (3829), 7 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,120 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 547.0) internal successors, (3829), 7 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,120 INFO L175 Difference]: Start difference. First operand has 87 places, 112 transitions, 500 flow. Second operand 6 states and 1314 transitions. [2022-12-13 13:41:03,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 164 transitions, 1012 flow [2022-12-13 13:41:03,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 164 transitions, 1012 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:41:03,133 INFO L231 Difference]: Finished difference. Result has 96 places, 140 transitions, 748 flow [2022-12-13 13:41:03,134 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=748, PETRI_PLACES=96, PETRI_TRANSITIONS=140} [2022-12-13 13:41:03,134 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 13 predicate places. [2022-12-13 13:41:03,134 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 140 transitions, 748 flow [2022-12-13 13:41:03,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.5) internal successors, (1233), 6 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,135 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:03,136 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:03,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:41:03,136 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:03,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:03,136 INFO L85 PathProgramCache]: Analyzing trace with hash -593502077, now seen corresponding path program 1 times [2022-12-13 13:41:03,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:03,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417507165] [2022-12-13 13:41:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:03,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:03,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:03,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417507165] [2022-12-13 13:41:03,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417507165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:03,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:03,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:41:03,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780319865] [2022-12-13 13:41:03,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:03,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:41:03,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:03,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:41:03,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:41:03,197 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 547 [2022-12-13 13:41:03,198 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 140 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,198 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:03,198 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 547 [2022-12-13 13:41:03,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:03,601 INFO L130 PetriNetUnfolder]: 457/1069 cut-off events. [2022-12-13 13:41:03,601 INFO L131 PetriNetUnfolder]: For 1332/1332 co-relation queries the response was YES. [2022-12-13 13:41:03,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3477 conditions, 1069 events. 457/1069 cut-off events. For 1332/1332 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5782 event pairs, 33 based on Foata normal form. 36/1093 useless extension candidates. Maximal degree in co-relation 3457. Up to 597 conditions per place. [2022-12-13 13:41:03,609 INFO L137 encePairwiseOnDemand]: 545/547 looper letters, 63 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2022-12-13 13:41:03,609 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 99 transitions, 598 flow [2022-12-13 13:41:03,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:41:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:41:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2022-12-13 13:41:03,610 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4728823887873248 [2022-12-13 13:41:03,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2022-12-13 13:41:03,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2022-12-13 13:41:03,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:03,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2022-12-13 13:41:03,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 547.0) internal successors, (2188), 4 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,614 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 547.0) internal successors, (2188), 4 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,614 INFO L175 Difference]: Start difference. First operand has 96 places, 140 transitions, 748 flow. Second operand 3 states and 776 transitions. [2022-12-13 13:41:03,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 99 transitions, 598 flow [2022-12-13 13:41:03,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 99 transitions, 558 flow, removed 0 selfloop flow, removed 16 redundant places. [2022-12-13 13:41:03,618 INFO L231 Difference]: Finished difference. Result has 81 places, 82 transitions, 357 flow [2022-12-13 13:41:03,618 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=357, PETRI_PLACES=81, PETRI_TRANSITIONS=82} [2022-12-13 13:41:03,619 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -2 predicate places. [2022-12-13 13:41:03,619 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 82 transitions, 357 flow [2022-12-13 13:41:03,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:03,619 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:03,619 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:03,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:41:03,619 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1921961268, now seen corresponding path program 1 times [2022-12-13 13:41:03,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:03,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602782449] [2022-12-13 13:41:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:03,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:03,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:03,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602782449] [2022-12-13 13:41:03,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602782449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:03,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:03,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:41:03,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706846603] [2022-12-13 13:41:03,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:03,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:41:03,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:03,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:41:03,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:41:04,762 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:41:04,765 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 82 transitions, 357 flow. Second operand has 9 states, 9 states have (on average 220.55555555555554) internal successors, (1985), 9 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:04,765 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:04,765 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:41:04,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:06,661 INFO L130 PetriNetUnfolder]: 873/1626 cut-off events. [2022-12-13 13:41:06,661 INFO L131 PetriNetUnfolder]: For 1819/1819 co-relation queries the response was YES. [2022-12-13 13:41:06,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5700 conditions, 1626 events. 873/1626 cut-off events. For 1819/1819 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 8108 event pairs, 69 based on Foata normal form. 18/1629 useless extension candidates. Maximal degree in co-relation 5686. Up to 671 conditions per place. [2022-12-13 13:41:06,666 INFO L137 encePairwiseOnDemand]: 535/547 looper letters, 128 selfloop transitions, 35 changer transitions 0/180 dead transitions. [2022-12-13 13:41:06,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 180 transitions, 1223 flow [2022-12-13 13:41:06,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:41:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:41:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2086 transitions. [2022-12-13 13:41:06,670 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4237253707089173 [2022-12-13 13:41:06,670 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2086 transitions. [2022-12-13 13:41:06,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2086 transitions. [2022-12-13 13:41:06,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:06,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2086 transitions. [2022-12-13 13:41:06,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 231.77777777777777) internal successors, (2086), 9 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:06,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:06,677 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:06,677 INFO L175 Difference]: Start difference. First operand has 81 places, 82 transitions, 357 flow. Second operand 9 states and 2086 transitions. [2022-12-13 13:41:06,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 180 transitions, 1223 flow [2022-12-13 13:41:06,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 180 transitions, 1221 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:41:06,681 INFO L231 Difference]: Finished difference. Result has 94 places, 115 transitions, 760 flow [2022-12-13 13:41:06,681 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=760, PETRI_PLACES=94, PETRI_TRANSITIONS=115} [2022-12-13 13:41:06,682 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 11 predicate places. [2022-12-13 13:41:06,682 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 115 transitions, 760 flow [2022-12-13 13:41:06,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 220.55555555555554) internal successors, (1985), 9 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:06,682 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:06,682 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:06,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 13:41:06,683 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:06,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:06,683 INFO L85 PathProgramCache]: Analyzing trace with hash 225970106, now seen corresponding path program 2 times [2022-12-13 13:41:06,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:06,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861716621] [2022-12-13 13:41:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:07,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:07,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861716621] [2022-12-13 13:41:07,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861716621] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:07,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:07,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:07,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520293563] [2022-12-13 13:41:07,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:07,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:07,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:07,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:07,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:07,971 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:41:07,973 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 115 transitions, 760 flow. Second operand has 10 states, 10 states have (on average 220.4) internal successors, (2204), 10 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:07,973 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:07,973 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:41:07,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:10,066 INFO L130 PetriNetUnfolder]: 966/1895 cut-off events. [2022-12-13 13:41:10,066 INFO L131 PetriNetUnfolder]: For 3929/3929 co-relation queries the response was YES. [2022-12-13 13:41:10,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7571 conditions, 1895 events. 966/1895 cut-off events. For 3929/3929 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10172 event pairs, 265 based on Foata normal form. 18/1886 useless extension candidates. Maximal degree in co-relation 7551. Up to 1081 conditions per place. [2022-12-13 13:41:10,073 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 105 selfloop transitions, 52 changer transitions 0/174 dead transitions. [2022-12-13 13:41:10,074 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 174 transitions, 1414 flow [2022-12-13 13:41:10,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:41:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 13:41:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1858 transitions. [2022-12-13 13:41:10,077 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42458866544789764 [2022-12-13 13:41:10,077 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1858 transitions. [2022-12-13 13:41:10,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1858 transitions. [2022-12-13 13:41:10,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:10,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1858 transitions. [2022-12-13 13:41:10,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 232.25) internal successors, (1858), 8 states have internal predecessors, (1858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:10,084 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 547.0) internal successors, (4923), 9 states have internal predecessors, (4923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:10,084 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 547.0) internal successors, (4923), 9 states have internal predecessors, (4923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:10,084 INFO L175 Difference]: Start difference. First operand has 94 places, 115 transitions, 760 flow. Second operand 8 states and 1858 transitions. [2022-12-13 13:41:10,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 174 transitions, 1414 flow [2022-12-13 13:41:10,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 174 transitions, 1412 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:41:10,096 INFO L231 Difference]: Finished difference. Result has 103 places, 129 transitions, 1097 flow [2022-12-13 13:41:10,096 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1097, PETRI_PLACES=103, PETRI_TRANSITIONS=129} [2022-12-13 13:41:10,097 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 20 predicate places. [2022-12-13 13:41:10,097 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 129 transitions, 1097 flow [2022-12-13 13:41:10,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 220.4) internal successors, (2204), 10 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:10,098 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:10,098 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:10,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 13:41:10,098 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:10,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:10,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1152399456, now seen corresponding path program 3 times [2022-12-13 13:41:10,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:10,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387684520] [2022-12-13 13:41:10,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:10,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:10,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:10,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387684520] [2022-12-13 13:41:10,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387684520] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:10,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:10,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:10,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258995924] [2022-12-13 13:41:10,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:10,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:10,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:10,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:10,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:11,434 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:41:11,435 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 129 transitions, 1097 flow. Second operand has 10 states, 10 states have (on average 220.4) internal successors, (2204), 10 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:11,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:11,435 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:41:11,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:13,751 INFO L130 PetriNetUnfolder]: 1195/2393 cut-off events. [2022-12-13 13:41:13,751 INFO L131 PetriNetUnfolder]: For 7993/7993 co-relation queries the response was YES. [2022-12-13 13:41:13,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10520 conditions, 2393 events. 1195/2393 cut-off events. For 7993/7993 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14009 event pairs, 235 based on Foata normal form. 18/2372 useless extension candidates. Maximal degree in co-relation 10497. Up to 1028 conditions per place. [2022-12-13 13:41:13,760 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 120 selfloop transitions, 90 changer transitions 0/227 dead transitions. [2022-12-13 13:41:13,760 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 227 transitions, 2371 flow [2022-12-13 13:41:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:41:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:41:13,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2088 transitions. [2022-12-13 13:41:13,765 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42413162705667273 [2022-12-13 13:41:13,765 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2088 transitions. [2022-12-13 13:41:13,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2088 transitions. [2022-12-13 13:41:13,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:13,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2088 transitions. [2022-12-13 13:41:13,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 232.0) internal successors, (2088), 9 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:13,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:13,776 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:13,777 INFO L175 Difference]: Start difference. First operand has 103 places, 129 transitions, 1097 flow. Second operand 9 states and 2088 transitions. [2022-12-13 13:41:13,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 227 transitions, 2371 flow [2022-12-13 13:41:13,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 227 transitions, 2312 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-12-13 13:41:13,808 INFO L231 Difference]: Finished difference. Result has 113 places, 176 transitions, 1948 flow [2022-12-13 13:41:13,808 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1948, PETRI_PLACES=113, PETRI_TRANSITIONS=176} [2022-12-13 13:41:13,808 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 30 predicate places. [2022-12-13 13:41:13,809 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 176 transitions, 1948 flow [2022-12-13 13:41:13,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 220.4) internal successors, (2204), 10 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:13,809 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:13,809 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:13,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 13:41:13,810 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:13,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:13,813 INFO L85 PathProgramCache]: Analyzing trace with hash 232283876, now seen corresponding path program 4 times [2022-12-13 13:41:13,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:13,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802729449] [2022-12-13 13:41:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:13,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:14,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:14,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802729449] [2022-12-13 13:41:14,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802729449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:14,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:14,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:14,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89951083] [2022-12-13 13:41:14,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:14,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:14,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:14,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:14,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:15,179 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:41:15,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 176 transitions, 1948 flow. Second operand has 10 states, 10 states have (on average 220.4) internal successors, (2204), 10 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:15,181 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:15,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:41:15,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:17,943 INFO L130 PetriNetUnfolder]: 1326/2724 cut-off events. [2022-12-13 13:41:17,943 INFO L131 PetriNetUnfolder]: For 13425/13425 co-relation queries the response was YES. [2022-12-13 13:41:17,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13243 conditions, 2724 events. 1326/2724 cut-off events. For 13425/13425 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 16847 event pairs, 379 based on Foata normal form. 18/2691 useless extension candidates. Maximal degree in co-relation 13214. Up to 1451 conditions per place. [2022-12-13 13:41:17,954 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 128 selfloop transitions, 100 changer transitions 0/245 dead transitions. [2022-12-13 13:41:17,954 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 245 transitions, 2950 flow [2022-12-13 13:41:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:41:17,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:41:17,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2086 transitions. [2022-12-13 13:41:17,958 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4237253707089173 [2022-12-13 13:41:17,958 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2086 transitions. [2022-12-13 13:41:17,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2086 transitions. [2022-12-13 13:41:17,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:17,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2086 transitions. [2022-12-13 13:41:17,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 231.77777777777777) internal successors, (2086), 9 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:17,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:17,964 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:17,964 INFO L175 Difference]: Start difference. First operand has 113 places, 176 transitions, 1948 flow. Second operand 9 states and 2086 transitions. [2022-12-13 13:41:17,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 245 transitions, 2950 flow [2022-12-13 13:41:17,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 245 transitions, 2867 flow, removed 38 selfloop flow, removed 2 redundant places. [2022-12-13 13:41:18,000 INFO L231 Difference]: Finished difference. Result has 124 places, 197 transitions, 2579 flow [2022-12-13 13:41:18,001 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=1877, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2579, PETRI_PLACES=124, PETRI_TRANSITIONS=197} [2022-12-13 13:41:18,001 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 41 predicate places. [2022-12-13 13:41:18,001 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 197 transitions, 2579 flow [2022-12-13 13:41:18,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 220.4) internal successors, (2204), 10 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:18,002 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:18,002 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:18,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 13:41:18,002 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:18,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:18,002 INFO L85 PathProgramCache]: Analyzing trace with hash 566538896, now seen corresponding path program 5 times [2022-12-13 13:41:18,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:18,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593711218] [2022-12-13 13:41:18,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:18,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:18,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:18,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593711218] [2022-12-13 13:41:18,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593711218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:18,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:18,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:18,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705766361] [2022-12-13 13:41:18,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:18,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:18,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:18,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:18,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:19,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:41:19,235 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 197 transitions, 2579 flow. Second operand has 10 states, 10 states have (on average 220.4) internal successors, (2204), 10 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:19,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:19,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:41:19,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:21,502 INFO L130 PetriNetUnfolder]: 1354/2886 cut-off events. [2022-12-13 13:41:21,502 INFO L131 PetriNetUnfolder]: For 18389/18389 co-relation queries the response was YES. [2022-12-13 13:41:21,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14749 conditions, 2886 events. 1354/2886 cut-off events. For 18389/18389 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 18689 event pairs, 319 based on Foata normal form. 18/2841 useless extension candidates. Maximal degree in co-relation 14716. Up to 1317 conditions per place. [2022-12-13 13:41:21,523 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 134 selfloop transitions, 115 changer transitions 0/266 dead transitions. [2022-12-13 13:41:21,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 266 transitions, 3672 flow [2022-12-13 13:41:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:41:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:41:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2087 transitions. [2022-12-13 13:41:21,531 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42392849888279505 [2022-12-13 13:41:21,531 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2087 transitions. [2022-12-13 13:41:21,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2087 transitions. [2022-12-13 13:41:21,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:21,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2087 transitions. [2022-12-13 13:41:21,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 231.88888888888889) internal successors, (2087), 9 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:21,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:21,547 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:21,547 INFO L175 Difference]: Start difference. First operand has 124 places, 197 transitions, 2579 flow. Second operand 9 states and 2087 transitions. [2022-12-13 13:41:21,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 266 transitions, 3672 flow [2022-12-13 13:41:21,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 266 transitions, 3603 flow, removed 17 selfloop flow, removed 3 redundant places. [2022-12-13 13:41:21,605 INFO L231 Difference]: Finished difference. Result has 134 places, 220 transitions, 3263 flow [2022-12-13 13:41:21,605 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=2514, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3263, PETRI_PLACES=134, PETRI_TRANSITIONS=220} [2022-12-13 13:41:21,605 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 51 predicate places. [2022-12-13 13:41:21,606 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 220 transitions, 3263 flow [2022-12-13 13:41:21,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 220.4) internal successors, (2204), 10 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:21,606 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:21,606 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:21,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 13:41:21,606 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:21,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:21,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2056924853, now seen corresponding path program 1 times [2022-12-13 13:41:21,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:21,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168969484] [2022-12-13 13:41:21,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:21,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:21,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:21,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168969484] [2022-12-13 13:41:21,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168969484] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:21,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:21,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:21,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746761807] [2022-12-13 13:41:21,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:21,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:21,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:21,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:21,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:22,600 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 547 [2022-12-13 13:41:22,601 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 220 transitions, 3263 flow. Second operand has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:22,601 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:22,601 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 547 [2022-12-13 13:41:22,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:24,315 INFO L130 PetriNetUnfolder]: 1516/3106 cut-off events. [2022-12-13 13:41:24,315 INFO L131 PetriNetUnfolder]: For 26891/26892 co-relation queries the response was YES. [2022-12-13 13:41:24,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17628 conditions, 3106 events. 1516/3106 cut-off events. For 26891/26892 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 19942 event pairs, 280 based on Foata normal form. 13/3062 useless extension candidates. Maximal degree in co-relation 17590. Up to 1409 conditions per place. [2022-12-13 13:41:24,334 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 272 selfloop transitions, 123 changer transitions 0/412 dead transitions. [2022-12-13 13:41:24,334 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 412 transitions, 6596 flow [2022-12-13 13:41:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:41:24,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:41:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2098 transitions. [2022-12-13 13:41:24,338 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42616290879544994 [2022-12-13 13:41:24,338 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2098 transitions. [2022-12-13 13:41:24,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2098 transitions. [2022-12-13 13:41:24,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:24,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2098 transitions. [2022-12-13 13:41:24,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 233.11111111111111) internal successors, (2098), 9 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:24,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:24,346 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:24,346 INFO L175 Difference]: Start difference. First operand has 134 places, 220 transitions, 3263 flow. Second operand 9 states and 2098 transitions. [2022-12-13 13:41:24,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 412 transitions, 6596 flow [2022-12-13 13:41:24,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 412 transitions, 6469 flow, removed 47 selfloop flow, removed 2 redundant places. [2022-12-13 13:41:24,428 INFO L231 Difference]: Finished difference. Result has 146 places, 301 transitions, 4961 flow [2022-12-13 13:41:24,428 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=3203, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4961, PETRI_PLACES=146, PETRI_TRANSITIONS=301} [2022-12-13 13:41:24,429 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 63 predicate places. [2022-12-13 13:41:24,429 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 301 transitions, 4961 flow [2022-12-13 13:41:24,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:24,429 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:24,429 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:24,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 13:41:24,430 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:24,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:24,430 INFO L85 PathProgramCache]: Analyzing trace with hash 150302969, now seen corresponding path program 2 times [2022-12-13 13:41:24,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:24,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503325170] [2022-12-13 13:41:24,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:24,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:24,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:24,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503325170] [2022-12-13 13:41:24,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503325170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:24,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:24,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:24,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670174438] [2022-12-13 13:41:24,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:24,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:24,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:24,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:24,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:25,585 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 547 [2022-12-13 13:41:25,587 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 301 transitions, 4961 flow. Second operand has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:25,587 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:25,587 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 547 [2022-12-13 13:41:25,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:27,445 INFO L130 PetriNetUnfolder]: 1623/3370 cut-off events. [2022-12-13 13:41:27,445 INFO L131 PetriNetUnfolder]: For 37639/37640 co-relation queries the response was YES. [2022-12-13 13:41:27,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21124 conditions, 3370 events. 1623/3370 cut-off events. For 37639/37640 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 22320 event pairs, 430 based on Foata normal form. 13/3316 useless extension candidates. Maximal degree in co-relation 21080. Up to 1969 conditions per place. [2022-12-13 13:41:27,467 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 192 selfloop transitions, 179 changer transitions 0/388 dead transitions. [2022-12-13 13:41:27,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 388 transitions, 6898 flow [2022-12-13 13:41:27,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:41:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-13 13:41:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1864 transitions. [2022-12-13 13:41:27,472 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4259597806215722 [2022-12-13 13:41:27,472 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1864 transitions. [2022-12-13 13:41:27,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1864 transitions. [2022-12-13 13:41:27,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:27,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1864 transitions. [2022-12-13 13:41:27,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 233.0) internal successors, (1864), 8 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:27,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 547.0) internal successors, (4923), 9 states have internal predecessors, (4923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:27,481 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 547.0) internal successors, (4923), 9 states have internal predecessors, (4923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:27,481 INFO L175 Difference]: Start difference. First operand has 146 places, 301 transitions, 4961 flow. Second operand 8 states and 1864 transitions. [2022-12-13 13:41:27,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 388 transitions, 6898 flow [2022-12-13 13:41:27,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 388 transitions, 6886 flow, removed 5 selfloop flow, removed 1 redundant places. [2022-12-13 13:41:27,622 INFO L231 Difference]: Finished difference. Result has 155 places, 343 transitions, 6513 flow [2022-12-13 13:41:27,622 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=4949, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6513, PETRI_PLACES=155, PETRI_TRANSITIONS=343} [2022-12-13 13:41:27,622 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 72 predicate places. [2022-12-13 13:41:27,622 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 343 transitions, 6513 flow [2022-12-13 13:41:27,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:27,623 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:27,623 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:27,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 13:41:27,623 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:27,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:27,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1578234823, now seen corresponding path program 3 times [2022-12-13 13:41:27,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:27,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675895339] [2022-12-13 13:41:27,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:27,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:27,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:27,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675895339] [2022-12-13 13:41:27,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675895339] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:27,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:27,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:27,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429034092] [2022-12-13 13:41:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:27,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:27,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:27,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:27,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:28,757 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 547 [2022-12-13 13:41:28,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 343 transitions, 6513 flow. Second operand has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:28,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:28,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 547 [2022-12-13 13:41:28,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:30,869 INFO L130 PetriNetUnfolder]: 1836/3757 cut-off events. [2022-12-13 13:41:30,870 INFO L131 PetriNetUnfolder]: For 55942/55943 co-relation queries the response was YES. [2022-12-13 13:41:30,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25975 conditions, 3757 events. 1836/3757 cut-off events. For 55942/55943 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 25289 event pairs, 443 based on Foata normal form. 13/3698 useless extension candidates. Maximal degree in co-relation 25928. Up to 1981 conditions per place. [2022-12-13 13:41:30,888 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 255 selfloop transitions, 255 changer transitions 0/527 dead transitions. [2022-12-13 13:41:30,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 527 transitions, 10923 flow [2022-12-13 13:41:30,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:41:30,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:41:30,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2095 transitions. [2022-12-13 13:41:30,892 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42555352427381676 [2022-12-13 13:41:30,892 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2095 transitions. [2022-12-13 13:41:30,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2095 transitions. [2022-12-13 13:41:30,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:30,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2095 transitions. [2022-12-13 13:41:30,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 232.77777777777777) internal successors, (2095), 9 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:30,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:30,897 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:30,897 INFO L175 Difference]: Start difference. First operand has 155 places, 343 transitions, 6513 flow. Second operand 9 states and 2095 transitions. [2022-12-13 13:41:30,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 527 transitions, 10923 flow [2022-12-13 13:41:31,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 527 transitions, 10839 flow, removed 3 selfloop flow, removed 2 redundant places. [2022-12-13 13:41:31,058 INFO L231 Difference]: Finished difference. Result has 167 places, 457 transitions, 9834 flow [2022-12-13 13:41:31,059 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=6467, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9834, PETRI_PLACES=167, PETRI_TRANSITIONS=457} [2022-12-13 13:41:31,059 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 84 predicate places. [2022-12-13 13:41:31,059 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 457 transitions, 9834 flow [2022-12-13 13:41:31,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:31,059 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:31,059 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:31,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 13:41:31,059 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:31,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:31,060 INFO L85 PathProgramCache]: Analyzing trace with hash 155262659, now seen corresponding path program 4 times [2022-12-13 13:41:31,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:31,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621612144] [2022-12-13 13:41:31,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:31,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:31,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:31,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621612144] [2022-12-13 13:41:31,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621612144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:31,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:31,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:31,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554461406] [2022-12-13 13:41:31,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:31,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:31,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:31,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:31,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:32,347 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 547 [2022-12-13 13:41:32,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 457 transitions, 9834 flow. Second operand has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:32,348 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:32,348 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 547 [2022-12-13 13:41:32,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:34,633 INFO L130 PetriNetUnfolder]: 1962/3995 cut-off events. [2022-12-13 13:41:34,633 INFO L131 PetriNetUnfolder]: For 73517/73518 co-relation queries the response was YES. [2022-12-13 13:41:34,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30445 conditions, 3995 events. 1962/3995 cut-off events. For 73517/73518 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 27150 event pairs, 504 based on Foata normal form. 13/3933 useless extension candidates. Maximal degree in co-relation 30392. Up to 2310 conditions per place. [2022-12-13 13:41:34,658 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 243 selfloop transitions, 303 changer transitions 0/563 dead transitions. [2022-12-13 13:41:34,658 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 563 transitions, 12779 flow [2022-12-13 13:41:34,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:41:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:41:34,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2093 transitions. [2022-12-13 13:41:34,661 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42514726792606133 [2022-12-13 13:41:34,661 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2093 transitions. [2022-12-13 13:41:34,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2093 transitions. [2022-12-13 13:41:34,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:34,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2093 transitions. [2022-12-13 13:41:34,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 232.55555555555554) internal successors, (2093), 9 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:34,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:34,667 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:34,667 INFO L175 Difference]: Start difference. First operand has 167 places, 457 transitions, 9834 flow. Second operand 9 states and 2093 transitions. [2022-12-13 13:41:34,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 563 transitions, 12779 flow [2022-12-13 13:41:34,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 563 transitions, 12598 flow, removed 79 selfloop flow, removed 2 redundant places. [2022-12-13 13:41:34,890 INFO L231 Difference]: Finished difference. Result has 178 places, 515 transitions, 12335 flow [2022-12-13 13:41:34,890 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=9675, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=457, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=12335, PETRI_PLACES=178, PETRI_TRANSITIONS=515} [2022-12-13 13:41:34,890 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 95 predicate places. [2022-12-13 13:41:34,890 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 515 transitions, 12335 flow [2022-12-13 13:41:34,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:34,891 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:34,891 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:34,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 13:41:34,891 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:34,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:34,891 INFO L85 PathProgramCache]: Analyzing trace with hash 442898639, now seen corresponding path program 5 times [2022-12-13 13:41:34,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:34,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632667843] [2022-12-13 13:41:34,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:34,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:35,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:35,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632667843] [2022-12-13 13:41:35,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632667843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:35,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:35,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:41:35,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278657014] [2022-12-13 13:41:35,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:35,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:41:35,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:35,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:41:35,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:41:36,227 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 547 [2022-12-13 13:41:36,228 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 515 transitions, 12335 flow. Second operand has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:36,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:36,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 547 [2022-12-13 13:41:36,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:38,621 INFO L130 PetriNetUnfolder]: 1986/4088 cut-off events. [2022-12-13 13:41:38,621 INFO L131 PetriNetUnfolder]: For 89774/89775 co-relation queries the response was YES. [2022-12-13 13:41:38,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32900 conditions, 4088 events. 1986/4088 cut-off events. For 89774/89775 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 28208 event pairs, 504 based on Foata normal form. 13/4021 useless extension candidates. Maximal degree in co-relation 32843. Up to 2224 conditions per place. [2022-12-13 13:41:38,646 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 275 selfloop transitions, 329 changer transitions 0/621 dead transitions. [2022-12-13 13:41:38,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 621 transitions, 15478 flow [2022-12-13 13:41:38,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:41:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:41:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2094 transitions. [2022-12-13 13:41:38,649 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4253503960999391 [2022-12-13 13:41:38,649 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2094 transitions. [2022-12-13 13:41:38,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2094 transitions. [2022-12-13 13:41:38,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:38,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2094 transitions. [2022-12-13 13:41:38,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 232.66666666666666) internal successors, (2094), 9 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:38,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:38,653 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:38,653 INFO L175 Difference]: Start difference. First operand has 178 places, 515 transitions, 12335 flow. Second operand 9 states and 2094 transitions. [2022-12-13 13:41:38,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 621 transitions, 15478 flow [2022-12-13 13:41:38,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 621 transitions, 15294 flow, removed 47 selfloop flow, removed 3 redundant places. [2022-12-13 13:41:38,921 INFO L231 Difference]: Finished difference. Result has 188 places, 578 transitions, 14886 flow [2022-12-13 13:41:38,921 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=12159, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=270, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14886, PETRI_PLACES=188, PETRI_TRANSITIONS=578} [2022-12-13 13:41:38,922 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 105 predicate places. [2022-12-13 13:41:38,922 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 578 transitions, 14886 flow [2022-12-13 13:41:38,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 221.4) internal successors, (2214), 10 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:38,922 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:38,922 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:38,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 13:41:38,922 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:38,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:38,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1623718651, now seen corresponding path program 1 times [2022-12-13 13:41:38,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:38,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141598680] [2022-12-13 13:41:38,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:38,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:39,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:39,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141598680] [2022-12-13 13:41:39,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141598680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:39,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:39,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:41:39,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908287046] [2022-12-13 13:41:39,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:39,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:41:39,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:39,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:41:39,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:41:40,381 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:41:40,384 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 578 transitions, 14886 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:40,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:40,384 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:41:40,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:42,660 INFO L130 PetriNetUnfolder]: 2006/4067 cut-off events. [2022-12-13 13:41:42,660 INFO L131 PetriNetUnfolder]: For 99736/99740 co-relation queries the response was YES. [2022-12-13 13:41:42,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35028 conditions, 4067 events. 2006/4067 cut-off events. For 99736/99740 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 27826 event pairs, 328 based on Foata normal form. 8/4007 useless extension candidates. Maximal degree in co-relation 34966. Up to 1840 conditions per place. [2022-12-13 13:41:42,686 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 424 selfloop transitions, 307 changer transitions 0/748 dead transitions. [2022-12-13 13:41:42,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 748 transitions, 19306 flow [2022-12-13 13:41:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:41:42,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:41:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2536 transitions. [2022-12-13 13:41:42,689 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42147249459863717 [2022-12-13 13:41:42,689 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2536 transitions. [2022-12-13 13:41:42,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2536 transitions. [2022-12-13 13:41:42,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:42,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2536 transitions. [2022-12-13 13:41:42,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 230.54545454545453) internal successors, (2536), 11 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:42,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:42,694 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:42,694 INFO L175 Difference]: Start difference. First operand has 188 places, 578 transitions, 14886 flow. Second operand 11 states and 2536 transitions. [2022-12-13 13:41:42,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 748 transitions, 19306 flow [2022-12-13 13:41:43,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 748 transitions, 19153 flow, removed 56 selfloop flow, removed 2 redundant places. [2022-12-13 13:41:43,048 INFO L231 Difference]: Finished difference. Result has 202 places, 660 transitions, 18262 flow [2022-12-13 13:41:43,048 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=14741, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=229, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18262, PETRI_PLACES=202, PETRI_TRANSITIONS=660} [2022-12-13 13:41:43,048 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 119 predicate places. [2022-12-13 13:41:43,048 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 660 transitions, 18262 flow [2022-12-13 13:41:43,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:43,049 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:43,049 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:43,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 13:41:43,049 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:43,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:43,049 INFO L85 PathProgramCache]: Analyzing trace with hash -8429145, now seen corresponding path program 2 times [2022-12-13 13:41:43,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:43,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980702278] [2022-12-13 13:41:43,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:43,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:43,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:43,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980702278] [2022-12-13 13:41:43,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980702278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:43,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:43,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:41:43,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130013588] [2022-12-13 13:41:43,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:43,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:41:43,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:43,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:41:43,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:41:44,214 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:41:44,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 660 transitions, 18262 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:44,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:44,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:41:44,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:46,968 INFO L130 PetriNetUnfolder]: 2051/4183 cut-off events. [2022-12-13 13:41:46,968 INFO L131 PetriNetUnfolder]: For 121009/121017 co-relation queries the response was YES. [2022-12-13 13:41:46,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37997 conditions, 4183 events. 2051/4183 cut-off events. For 121009/121017 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 28953 event pairs, 340 based on Foata normal form. 9/4122 useless extension candidates. Maximal degree in co-relation 37929. Up to 1912 conditions per place. [2022-12-13 13:41:47,017 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 429 selfloop transitions, 306 changer transitions 0/752 dead transitions. [2022-12-13 13:41:47,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 752 transitions, 20845 flow [2022-12-13 13:41:47,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 13:41:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-13 13:41:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2311 transitions. [2022-12-13 13:41:47,021 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4224862888482633 [2022-12-13 13:41:47,021 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2311 transitions. [2022-12-13 13:41:47,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2311 transitions. [2022-12-13 13:41:47,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:47,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2311 transitions. [2022-12-13 13:41:47,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 231.1) internal successors, (2311), 10 states have internal predecessors, (2311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:47,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 547.0) internal successors, (6017), 11 states have internal predecessors, (6017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:47,030 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 547.0) internal successors, (6017), 11 states have internal predecessors, (6017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:47,030 INFO L175 Difference]: Start difference. First operand has 202 places, 660 transitions, 18262 flow. Second operand 10 states and 2311 transitions. [2022-12-13 13:41:47,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 752 transitions, 20845 flow [2022-12-13 13:41:47,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 752 transitions, 20635 flow, removed 18 selfloop flow, removed 4 redundant places. [2022-12-13 13:41:47,671 INFO L231 Difference]: Finished difference. Result has 210 places, 678 transitions, 19699 flow [2022-12-13 13:41:47,672 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=18052, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19699, PETRI_PLACES=210, PETRI_TRANSITIONS=678} [2022-12-13 13:41:47,672 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 127 predicate places. [2022-12-13 13:41:47,672 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 678 transitions, 19699 flow [2022-12-13 13:41:47,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:47,673 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:47,673 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:47,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 13:41:47,673 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:47,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:47,673 INFO L85 PathProgramCache]: Analyzing trace with hash 133154985, now seen corresponding path program 3 times [2022-12-13 13:41:47,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:47,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224635810] [2022-12-13 13:41:47,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:47,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:48,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:48,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224635810] [2022-12-13 13:41:48,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224635810] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:48,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:48,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:41:48,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937528483] [2022-12-13 13:41:48,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:48,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:41:48,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:48,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:41:48,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:41:49,058 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:41:49,061 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 678 transitions, 19699 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:49,061 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:49,061 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:41:49,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:51,954 INFO L130 PetriNetUnfolder]: 2123/4356 cut-off events. [2022-12-13 13:41:51,954 INFO L131 PetriNetUnfolder]: For 140538/140546 co-relation queries the response was YES. [2022-12-13 13:41:51,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41137 conditions, 4356 events. 2123/4356 cut-off events. For 140538/140546 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 30594 event pairs, 345 based on Foata normal form. 9/4291 useless extension candidates. Maximal degree in co-relation 41066. Up to 1973 conditions per place. [2022-12-13 13:41:51,986 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 437 selfloop transitions, 328 changer transitions 0/782 dead transitions. [2022-12-13 13:41:51,986 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 782 transitions, 22572 flow [2022-12-13 13:41:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:41:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:41:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2537 transitions. [2022-12-13 13:41:52,012 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4216386903772644 [2022-12-13 13:41:52,012 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2537 transitions. [2022-12-13 13:41:52,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2537 transitions. [2022-12-13 13:41:52,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:52,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2537 transitions. [2022-12-13 13:41:52,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 230.63636363636363) internal successors, (2537), 11 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:52,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:52,017 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:52,017 INFO L175 Difference]: Start difference. First operand has 210 places, 678 transitions, 19699 flow. Second operand 11 states and 2537 transitions. [2022-12-13 13:41:52,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 782 transitions, 22572 flow [2022-12-13 13:41:52,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 782 transitions, 22484 flow, removed 7 selfloop flow, removed 4 redundant places. [2022-12-13 13:41:52,700 INFO L231 Difference]: Finished difference. Result has 221 places, 704 transitions, 21596 flow [2022-12-13 13:41:52,701 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=19611, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=21596, PETRI_PLACES=221, PETRI_TRANSITIONS=704} [2022-12-13 13:41:52,701 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 138 predicate places. [2022-12-13 13:41:52,701 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 704 transitions, 21596 flow [2022-12-13 13:41:52,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:52,701 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:52,701 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:52,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 13:41:52,701 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:52,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:52,702 INFO L85 PathProgramCache]: Analyzing trace with hash 365229223, now seen corresponding path program 4 times [2022-12-13 13:41:52,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:52,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138494553] [2022-12-13 13:41:52,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:52,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:53,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:53,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138494553] [2022-12-13 13:41:53,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138494553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:53,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:53,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:41:53,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591237984] [2022-12-13 13:41:53,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:53,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:41:53,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:53,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:41:53,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:41:53,978 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:41:53,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 704 transitions, 21596 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:53,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:53,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:41:53,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:41:57,327 INFO L130 PetriNetUnfolder]: 2222/4580 cut-off events. [2022-12-13 13:41:57,327 INFO L131 PetriNetUnfolder]: For 165761/165766 co-relation queries the response was YES. [2022-12-13 13:41:57,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45151 conditions, 4580 events. 2222/4580 cut-off events. For 165761/165766 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 32678 event pairs, 329 based on Foata normal form. 8/4509 useless extension candidates. Maximal degree in co-relation 45075. Up to 2071 conditions per place. [2022-12-13 13:41:57,361 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 451 selfloop transitions, 351 changer transitions 0/819 dead transitions. [2022-12-13 13:41:57,362 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 819 transitions, 24907 flow [2022-12-13 13:41:57,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:41:57,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:41:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2539 transitions. [2022-12-13 13:41:57,364 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4219710819345189 [2022-12-13 13:41:57,364 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2539 transitions. [2022-12-13 13:41:57,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2539 transitions. [2022-12-13 13:41:57,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:41:57,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2539 transitions. [2022-12-13 13:41:57,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 230.8181818181818) internal successors, (2539), 11 states have internal predecessors, (2539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:57,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:57,369 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:57,369 INFO L175 Difference]: Start difference. First operand has 221 places, 704 transitions, 21596 flow. Second operand 11 states and 2539 transitions. [2022-12-13 13:41:57,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 819 transitions, 24907 flow [2022-12-13 13:41:58,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 819 transitions, 24702 flow, removed 22 selfloop flow, removed 6 redundant places. [2022-12-13 13:41:58,134 INFO L231 Difference]: Finished difference. Result has 231 places, 742 transitions, 23929 flow [2022-12-13 13:41:58,134 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=21402, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23929, PETRI_PLACES=231, PETRI_TRANSITIONS=742} [2022-12-13 13:41:58,135 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 148 predicate places. [2022-12-13 13:41:58,135 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 742 transitions, 23929 flow [2022-12-13 13:41:58,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:58,135 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:41:58,135 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:41:58,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 13:41:58,135 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:41:58,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:41:58,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1070354455, now seen corresponding path program 5 times [2022-12-13 13:41:58,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:41:58,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539428876] [2022-12-13 13:41:58,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:41:58,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:41:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:41:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:41:58,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:41:58,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539428876] [2022-12-13 13:41:58,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539428876] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:41:58,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:41:58,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:41:58,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228734823] [2022-12-13 13:41:58,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:41:58,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:41:58,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:41:58,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:41:58,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:41:59,347 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:41:59,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 742 transitions, 23929 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:41:59,348 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:41:59,348 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:41:59,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:02,698 INFO L130 PetriNetUnfolder]: 2260/4707 cut-off events. [2022-12-13 13:42:02,698 INFO L131 PetriNetUnfolder]: For 194716/194721 co-relation queries the response was YES. [2022-12-13 13:42:02,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48333 conditions, 4707 events. 2260/4707 cut-off events. For 194716/194721 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 34077 event pairs, 363 based on Foata normal form. 8/4632 useless extension candidates. Maximal degree in co-relation 48251. Up to 2118 conditions per place. [2022-12-13 13:42:02,733 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 466 selfloop transitions, 358 changer transitions 0/841 dead transitions. [2022-12-13 13:42:02,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 841 transitions, 26909 flow [2022-12-13 13:42:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:42:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:42:02,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2540 transitions. [2022-12-13 13:42:02,736 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4221372777131461 [2022-12-13 13:42:02,736 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2540 transitions. [2022-12-13 13:42:02,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2540 transitions. [2022-12-13 13:42:02,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:02,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2540 transitions. [2022-12-13 13:42:02,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 230.9090909090909) internal successors, (2540), 11 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:02,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:02,741 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:02,741 INFO L175 Difference]: Start difference. First operand has 231 places, 742 transitions, 23929 flow. Second operand 11 states and 2540 transitions. [2022-12-13 13:42:02,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 841 transitions, 26909 flow [2022-12-13 13:42:03,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 841 transitions, 26695 flow, removed 70 selfloop flow, removed 4 redundant places. [2022-12-13 13:42:03,661 INFO L231 Difference]: Finished difference. Result has 243 places, 765 transitions, 25835 flow [2022-12-13 13:42:03,661 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=23731, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=742, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=25835, PETRI_PLACES=243, PETRI_TRANSITIONS=765} [2022-12-13 13:42:03,661 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 160 predicate places. [2022-12-13 13:42:03,662 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 765 transitions, 25835 flow [2022-12-13 13:42:03,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:03,662 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:03,662 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:03,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 13:42:03,663 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:42:03,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:03,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1587544385, now seen corresponding path program 6 times [2022-12-13 13:42:03,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:03,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700713312] [2022-12-13 13:42:03,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:03,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:04,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:04,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700713312] [2022-12-13 13:42:04,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700713312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:04,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:04,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:04,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146378584] [2022-12-13 13:42:04,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:04,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:42:04,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:04,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:42:04,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:42:04,962 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:42:04,964 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 765 transitions, 25835 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:04,964 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:04,964 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:42:04,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:08,972 INFO L130 PetriNetUnfolder]: 2265/4785 cut-off events. [2022-12-13 13:42:08,972 INFO L131 PetriNetUnfolder]: For 228412/228420 co-relation queries the response was YES. [2022-12-13 13:42:08,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50411 conditions, 4785 events. 2265/4785 cut-off events. For 228412/228420 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 35229 event pairs, 587 based on Foata normal form. 12/4708 useless extension candidates. Maximal degree in co-relation 50323. Up to 2840 conditions per place. [2022-12-13 13:42:09,047 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 346 selfloop transitions, 465 changer transitions 0/828 dead transitions. [2022-12-13 13:42:09,047 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 828 transitions, 28484 flow [2022-12-13 13:42:09,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:42:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 13:42:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2077 transitions. [2022-12-13 13:42:09,050 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4218972171440179 [2022-12-13 13:42:09,050 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2077 transitions. [2022-12-13 13:42:09,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2077 transitions. [2022-12-13 13:42:09,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:09,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2077 transitions. [2022-12-13 13:42:09,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 230.77777777777777) internal successors, (2077), 9 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:09,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:09,054 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 547.0) internal successors, (5470), 10 states have internal predecessors, (5470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:09,054 INFO L175 Difference]: Start difference. First operand has 243 places, 765 transitions, 25835 flow. Second operand 9 states and 2077 transitions. [2022-12-13 13:42:09,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 828 transitions, 28484 flow [2022-12-13 13:42:10,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 828 transitions, 28298 flow, removed 68 selfloop flow, removed 3 redundant places. [2022-12-13 13:42:10,047 INFO L231 Difference]: Finished difference. Result has 250 places, 779 transitions, 27584 flow [2022-12-13 13:42:10,048 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=25653, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=451, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=27584, PETRI_PLACES=250, PETRI_TRANSITIONS=779} [2022-12-13 13:42:10,048 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 167 predicate places. [2022-12-13 13:42:10,048 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 779 transitions, 27584 flow [2022-12-13 13:42:10,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:10,048 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:10,049 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:10,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 13:42:10,049 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:42:10,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:10,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1114087341, now seen corresponding path program 7 times [2022-12-13 13:42:10,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:10,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353499488] [2022-12-13 13:42:10,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:10,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:10,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:10,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353499488] [2022-12-13 13:42:10,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353499488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:10,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:10,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:10,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427087893] [2022-12-13 13:42:10,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:10,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:42:10,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:10,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:42:10,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:42:11,629 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:42:11,630 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 779 transitions, 27584 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:11,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:11,631 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:42:11,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:16,058 INFO L130 PetriNetUnfolder]: 2275/4850 cut-off events. [2022-12-13 13:42:16,058 INFO L131 PetriNetUnfolder]: For 250509/250520 co-relation queries the response was YES. [2022-12-13 13:42:16,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52165 conditions, 4850 events. 2275/4850 cut-off events. For 250509/250520 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 36100 event pairs, 577 based on Foata normal form. 13/4772 useless extension candidates. Maximal degree in co-relation 52075. Up to 2734 conditions per place. [2022-12-13 13:42:16,098 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 347 selfloop transitions, 483 changer transitions 0/847 dead transitions. [2022-12-13 13:42:16,099 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 847 transitions, 30206 flow [2022-12-13 13:42:16,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:42:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:42:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2528 transitions. [2022-12-13 13:42:16,102 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4201429283696194 [2022-12-13 13:42:16,102 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2528 transitions. [2022-12-13 13:42:16,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2528 transitions. [2022-12-13 13:42:16,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:16,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2528 transitions. [2022-12-13 13:42:16,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 229.8181818181818) internal successors, (2528), 11 states have internal predecessors, (2528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:16,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:16,107 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:16,107 INFO L175 Difference]: Start difference. First operand has 250 places, 779 transitions, 27584 flow. Second operand 11 states and 2528 transitions. [2022-12-13 13:42:16,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 847 transitions, 30206 flow [2022-12-13 13:42:17,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 847 transitions, 29087 flow, removed 12 selfloop flow, removed 6 redundant places. [2022-12-13 13:42:17,176 INFO L231 Difference]: Finished difference. Result has 257 places, 796 transitions, 28582 flow [2022-12-13 13:42:17,176 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=26483, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=779, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=468, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=28582, PETRI_PLACES=257, PETRI_TRANSITIONS=796} [2022-12-13 13:42:17,177 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 174 predicate places. [2022-12-13 13:42:17,177 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 796 transitions, 28582 flow [2022-12-13 13:42:17,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:17,177 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:17,177 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:17,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 13:42:17,177 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:42:17,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:17,177 INFO L85 PathProgramCache]: Analyzing trace with hash 565604375, now seen corresponding path program 8 times [2022-12-13 13:42:17,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:17,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762335806] [2022-12-13 13:42:17,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:17,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:17,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:17,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762335806] [2022-12-13 13:42:17,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762335806] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:17,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:17,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:17,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423658174] [2022-12-13 13:42:17,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:17,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:42:17,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:17,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:42:17,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:42:18,620 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:42:18,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 796 transitions, 28582 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:18,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:18,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:42:18,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:22,557 INFO L130 PetriNetUnfolder]: 2347/5033 cut-off events. [2022-12-13 13:42:22,557 INFO L131 PetriNetUnfolder]: For 268660/268674 co-relation queries the response was YES. [2022-12-13 13:42:22,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54524 conditions, 5033 events. 2347/5033 cut-off events. For 268660/268674 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 38052 event pairs, 538 based on Foata normal form. 14/4952 useless extension candidates. Maximal degree in co-relation 54431. Up to 2699 conditions per place. [2022-12-13 13:42:22,598 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 379 selfloop transitions, 490 changer transitions 0/886 dead transitions. [2022-12-13 13:42:22,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 886 transitions, 32038 flow [2022-12-13 13:42:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:42:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:42:22,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2533 transitions. [2022-12-13 13:42:22,601 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4209739072627555 [2022-12-13 13:42:22,601 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2533 transitions. [2022-12-13 13:42:22,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2533 transitions. [2022-12-13 13:42:22,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:22,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2533 transitions. [2022-12-13 13:42:22,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 230.27272727272728) internal successors, (2533), 11 states have internal predecessors, (2533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:22,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:22,606 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:22,606 INFO L175 Difference]: Start difference. First operand has 257 places, 796 transitions, 28582 flow. Second operand 11 states and 2533 transitions. [2022-12-13 13:42:22,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 886 transitions, 32038 flow [2022-12-13 13:42:23,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 886 transitions, 31004 flow, removed 57 selfloop flow, removed 8 redundant places. [2022-12-13 13:42:23,713 INFO L231 Difference]: Finished difference. Result has 264 places, 828 transitions, 30371 flow [2022-12-13 13:42:23,714 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=27576, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=460, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30371, PETRI_PLACES=264, PETRI_TRANSITIONS=828} [2022-12-13 13:42:23,714 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 181 predicate places. [2022-12-13 13:42:23,714 INFO L495 AbstractCegarLoop]: Abstraction has has 264 places, 828 transitions, 30371 flow [2022-12-13 13:42:23,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:23,714 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:23,714 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:23,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 13:42:23,715 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:42:23,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:23,715 INFO L85 PathProgramCache]: Analyzing trace with hash 934058253, now seen corresponding path program 9 times [2022-12-13 13:42:23,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:23,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677372652] [2022-12-13 13:42:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:23,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:24,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:24,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677372652] [2022-12-13 13:42:24,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677372652] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:24,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:24,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:24,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727765731] [2022-12-13 13:42:24,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:24,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:42:24,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:24,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:42:24,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:42:25,547 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:42:25,548 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 828 transitions, 30371 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:25,548 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:25,548 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:42:25,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:30,109 INFO L130 PetriNetUnfolder]: 2505/5362 cut-off events. [2022-12-13 13:42:30,109 INFO L131 PetriNetUnfolder]: For 307266/307285 co-relation queries the response was YES. [2022-12-13 13:42:30,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59032 conditions, 5362 events. 2505/5362 cut-off events. For 307266/307285 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 41032 event pairs, 513 based on Foata normal form. 15/5278 useless extension candidates. Maximal degree in co-relation 58935. Up to 2627 conditions per place. [2022-12-13 13:42:30,154 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 403 selfloop transitions, 520 changer transitions 0/940 dead transitions. [2022-12-13 13:42:30,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 940 transitions, 34561 flow [2022-12-13 13:42:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:42:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:42:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2536 transitions. [2022-12-13 13:42:30,157 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42147249459863717 [2022-12-13 13:42:30,157 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2536 transitions. [2022-12-13 13:42:30,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2536 transitions. [2022-12-13 13:42:30,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:30,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2536 transitions. [2022-12-13 13:42:30,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 230.54545454545453) internal successors, (2536), 11 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:30,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:30,162 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:30,162 INFO L175 Difference]: Start difference. First operand has 264 places, 828 transitions, 30371 flow. Second operand 11 states and 2536 transitions. [2022-12-13 13:42:30,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 940 transitions, 34561 flow [2022-12-13 13:42:31,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 940 transitions, 33836 flow, removed 60 selfloop flow, removed 6 redundant places. [2022-12-13 13:42:31,582 INFO L231 Difference]: Finished difference. Result has 273 places, 878 transitions, 32793 flow [2022-12-13 13:42:31,583 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=29682, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=828, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=476, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=32793, PETRI_PLACES=273, PETRI_TRANSITIONS=878} [2022-12-13 13:42:31,583 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 190 predicate places. [2022-12-13 13:42:31,583 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 878 transitions, 32793 flow [2022-12-13 13:42:31,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:31,584 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:31,584 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:31,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 13:42:31,584 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:42:31,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:31,584 INFO L85 PathProgramCache]: Analyzing trace with hash 797678613, now seen corresponding path program 10 times [2022-12-13 13:42:31,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:31,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789290783] [2022-12-13 13:42:31,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:31,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:31,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:31,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789290783] [2022-12-13 13:42:31,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789290783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:31,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:31,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:31,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036587719] [2022-12-13 13:42:31,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:31,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:42:31,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:31,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:42:31,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:42:32,896 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:42:32,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 878 transitions, 32793 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:32,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:32,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:42:32,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:37,198 INFO L130 PetriNetUnfolder]: 2520/5422 cut-off events. [2022-12-13 13:42:37,198 INFO L131 PetriNetUnfolder]: For 319972/319992 co-relation queries the response was YES. [2022-12-13 13:42:37,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60876 conditions, 5422 events. 2520/5422 cut-off events. For 319972/319992 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 41721 event pairs, 593 based on Foata normal form. 16/5338 useless extension candidates. Maximal degree in co-relation 60775. Up to 2857 conditions per place. [2022-12-13 13:42:37,247 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 397 selfloop transitions, 533 changer transitions 0/947 dead transitions. [2022-12-13 13:42:37,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 947 transitions, 35786 flow [2022-12-13 13:42:37,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:42:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:42:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2529 transitions. [2022-12-13 13:42:37,253 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4203091241482466 [2022-12-13 13:42:37,253 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2529 transitions. [2022-12-13 13:42:37,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2529 transitions. [2022-12-13 13:42:37,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:37,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2529 transitions. [2022-12-13 13:42:37,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 229.9090909090909) internal successors, (2529), 11 states have internal predecessors, (2529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:37,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:37,261 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:37,261 INFO L175 Difference]: Start difference. First operand has 273 places, 878 transitions, 32793 flow. Second operand 11 states and 2529 transitions. [2022-12-13 13:42:37,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 947 transitions, 35786 flow [2022-12-13 13:42:38,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 947 transitions, 35234 flow, removed 91 selfloop flow, removed 4 redundant places. [2022-12-13 13:42:38,793 INFO L231 Difference]: Finished difference. Result has 283 places, 897 transitions, 34745 flow [2022-12-13 13:42:38,794 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=32249, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=516, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=34745, PETRI_PLACES=283, PETRI_TRANSITIONS=897} [2022-12-13 13:42:38,794 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 200 predicate places. [2022-12-13 13:42:38,794 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 897 transitions, 34745 flow [2022-12-13 13:42:38,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:38,795 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:38,795 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:38,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 13:42:38,795 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:42:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:38,795 INFO L85 PathProgramCache]: Analyzing trace with hash 701984015, now seen corresponding path program 11 times [2022-12-13 13:42:38,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:38,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664818890] [2022-12-13 13:42:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:38,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:39,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:39,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664818890] [2022-12-13 13:42:39,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664818890] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:39,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:39,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:39,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514163418] [2022-12-13 13:42:39,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:39,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:42:39,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:39,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:42:39,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:42:40,247 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:42:40,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 897 transitions, 34745 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:40,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:40,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:42:40,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:44,596 INFO L130 PetriNetUnfolder]: 2533/5500 cut-off events. [2022-12-13 13:42:44,596 INFO L131 PetriNetUnfolder]: For 342874/342893 co-relation queries the response was YES. [2022-12-13 13:42:44,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62909 conditions, 5500 events. 2533/5500 cut-off events. For 342874/342893 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 42853 event pairs, 524 based on Foata normal form. 15/5410 useless extension candidates. Maximal degree in co-relation 62805. Up to 2735 conditions per place. [2022-12-13 13:42:44,661 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 419 selfloop transitions, 540 changer transitions 0/976 dead transitions. [2022-12-13 13:42:44,661 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 976 transitions, 38027 flow [2022-12-13 13:42:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:42:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:42:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2533 transitions. [2022-12-13 13:42:44,665 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4209739072627555 [2022-12-13 13:42:44,666 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2533 transitions. [2022-12-13 13:42:44,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2533 transitions. [2022-12-13 13:42:44,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:44,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2533 transitions. [2022-12-13 13:42:44,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 230.27272727272728) internal successors, (2533), 11 states have internal predecessors, (2533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:44,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:44,673 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:44,673 INFO L175 Difference]: Start difference. First operand has 283 places, 897 transitions, 34745 flow. Second operand 11 states and 2533 transitions. [2022-12-13 13:42:44,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 976 transitions, 38027 flow [2022-12-13 13:42:46,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 976 transitions, 37190 flow, removed 104 selfloop flow, removed 4 redundant places. [2022-12-13 13:42:46,302 INFO L231 Difference]: Finished difference. Result has 293 places, 920 transitions, 36218 flow [2022-12-13 13:42:46,303 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=33934, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=897, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=519, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=36218, PETRI_PLACES=293, PETRI_TRANSITIONS=920} [2022-12-13 13:42:46,303 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 210 predicate places. [2022-12-13 13:42:46,303 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 920 transitions, 36218 flow [2022-12-13 13:42:46,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:46,304 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:46,304 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:46,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 13:42:46,304 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:42:46,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:46,304 INFO L85 PathProgramCache]: Analyzing trace with hash -501525425, now seen corresponding path program 12 times [2022-12-13 13:42:46,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:46,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747881468] [2022-12-13 13:42:46,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:46,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:46,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747881468] [2022-12-13 13:42:46,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747881468] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:46,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:46,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:46,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990325006] [2022-12-13 13:42:46,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:46,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:42:46,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:46,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:42:46,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:42:47,627 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 547 [2022-12-13 13:42:47,628 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 920 transitions, 36218 flow. Second operand has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:47,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:47,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 547 [2022-12-13 13:42:47,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:51,802 INFO L130 PetriNetUnfolder]: 2538/5547 cut-off events. [2022-12-13 13:42:51,802 INFO L131 PetriNetUnfolder]: For 348509/348526 co-relation queries the response was YES. [2022-12-13 13:42:51,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64485 conditions, 5547 events. 2538/5547 cut-off events. For 348509/348526 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 43428 event pairs, 547 based on Foata normal form. 15/5455 useless extension candidates. Maximal degree in co-relation 64377. Up to 2469 conditions per place. [2022-12-13 13:42:51,860 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 391 selfloop transitions, 580 changer transitions 0/988 dead transitions. [2022-12-13 13:42:51,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 988 transitions, 39228 flow [2022-12-13 13:42:51,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 13:42:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-13 13:42:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2529 transitions. [2022-12-13 13:42:51,864 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4203091241482466 [2022-12-13 13:42:51,864 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2529 transitions. [2022-12-13 13:42:51,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2529 transitions. [2022-12-13 13:42:51,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:51,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2529 transitions. [2022-12-13 13:42:51,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 229.9090909090909) internal successors, (2529), 11 states have internal predecessors, (2529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:51,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:51,869 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 547.0) internal successors, (6564), 12 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:51,869 INFO L175 Difference]: Start difference. First operand has 293 places, 920 transitions, 36218 flow. Second operand 11 states and 2529 transitions. [2022-12-13 13:42:51,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 988 transitions, 39228 flow [2022-12-13 13:42:53,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 988 transitions, 38934 flow, removed 29 selfloop flow, removed 4 redundant places. [2022-12-13 13:42:53,534 INFO L231 Difference]: Finished difference. Result has 304 places, 939 transitions, 38586 flow [2022-12-13 13:42:53,534 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=35924, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=920, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=563, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=38586, PETRI_PLACES=304, PETRI_TRANSITIONS=939} [2022-12-13 13:42:53,535 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 221 predicate places. [2022-12-13 13:42:53,535 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 939 transitions, 38586 flow [2022-12-13 13:42:53,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 219.45454545454547) internal successors, (2414), 11 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:53,535 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:42:53,535 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:42:53,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 13:42:53,535 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:42:53,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:42:53,535 INFO L85 PathProgramCache]: Analyzing trace with hash 26626716, now seen corresponding path program 1 times [2022-12-13 13:42:53,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:42:53,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025299392] [2022-12-13 13:42:53,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:42:53,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:42:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:42:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:42:53,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:42:53,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025299392] [2022-12-13 13:42:53,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025299392] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:42:53,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:42:53,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:42:53,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768357380] [2022-12-13 13:42:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:42:53,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:42:53,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:42:53,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:42:53,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:42:54,815 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 547 [2022-12-13 13:42:54,817 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 939 transitions, 38586 flow. Second operand has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:54,818 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:42:54,818 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 547 [2022-12-13 13:42:54,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:42:59,174 INFO L130 PetriNetUnfolder]: 2848/6205 cut-off events. [2022-12-13 13:42:59,174 INFO L131 PetriNetUnfolder]: For 415657/415679 co-relation queries the response was YES. [2022-12-13 13:42:59,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73545 conditions, 6205 events. 2848/6205 cut-off events. For 415657/415679 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 49882 event pairs, 285 based on Foata normal form. 24/6105 useless extension candidates. Maximal degree in co-relation 73432. Up to 2805 conditions per place. [2022-12-13 13:42:59,232 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 782 selfloop transitions, 349 changer transitions 0/1148 dead transitions. [2022-12-13 13:42:59,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 1148 transitions, 45030 flow [2022-12-13 13:42:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 13:42:59,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-13 13:42:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3707 transitions. [2022-12-13 13:42:59,235 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4235603290676417 [2022-12-13 13:42:59,235 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3707 transitions. [2022-12-13 13:42:59,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3707 transitions. [2022-12-13 13:42:59,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:42:59,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3707 transitions. [2022-12-13 13:42:59,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 231.6875) internal successors, (3707), 16 states have internal predecessors, (3707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:59,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 547.0) internal successors, (9299), 17 states have internal predecessors, (9299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:59,242 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 547.0) internal successors, (9299), 17 states have internal predecessors, (9299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:42:59,242 INFO L175 Difference]: Start difference. First operand has 304 places, 939 transitions, 38586 flow. Second operand 16 states and 3707 transitions. [2022-12-13 13:42:59,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 1148 transitions, 45030 flow [2022-12-13 13:43:01,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 1148 transitions, 44539 flow, removed 185 selfloop flow, removed 2 redundant places. [2022-12-13 13:43:01,251 INFO L231 Difference]: Finished difference. Result has 323 places, 1021 transitions, 41772 flow [2022-12-13 13:43:01,252 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=38243, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=939, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=274, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=628, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=41772, PETRI_PLACES=323, PETRI_TRANSITIONS=1021} [2022-12-13 13:43:01,252 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 240 predicate places. [2022-12-13 13:43:01,252 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 1021 transitions, 41772 flow [2022-12-13 13:43:01,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:01,252 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:43:01,252 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:01,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 13:43:01,253 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:43:01,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1337221258, now seen corresponding path program 2 times [2022-12-13 13:43:01,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:01,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203142374] [2022-12-13 13:43:01,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:43:01,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:01,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203142374] [2022-12-13 13:43:01,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203142374] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:01,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:43:01,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:43:01,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968544676] [2022-12-13 13:43:01,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:01,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:43:01,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:01,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:43:01,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:43:02,449 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 547 [2022-12-13 13:43:02,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 1021 transitions, 41772 flow. Second operand has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:02,451 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:43:02,451 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 547 [2022-12-13 13:43:02,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:43:07,642 INFO L130 PetriNetUnfolder]: 3044/6659 cut-off events. [2022-12-13 13:43:07,642 INFO L131 PetriNetUnfolder]: For 468482/468501 co-relation queries the response was YES. [2022-12-13 13:43:07,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81598 conditions, 6659 events. 3044/6659 cut-off events. For 468482/468501 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 54371 event pairs, 364 based on Foata normal form. 29/6551 useless extension candidates. Maximal degree in co-relation 81479. Up to 3087 conditions per place. [2022-12-13 13:43:07,743 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 597 selfloop transitions, 585 changer transitions 0/1199 dead transitions. [2022-12-13 13:43:07,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 1199 transitions, 49176 flow [2022-12-13 13:43:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 13:43:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-13 13:43:07,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3258 transitions. [2022-12-13 13:43:07,746 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42543745103160097 [2022-12-13 13:43:07,746 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3258 transitions. [2022-12-13 13:43:07,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3258 transitions. [2022-12-13 13:43:07,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:43:07,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3258 transitions. [2022-12-13 13:43:07,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 232.71428571428572) internal successors, (3258), 14 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:07,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 547.0) internal successors, (8205), 15 states have internal predecessors, (8205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:07,755 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 547.0) internal successors, (8205), 15 states have internal predecessors, (8205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:07,755 INFO L175 Difference]: Start difference. First operand has 323 places, 1021 transitions, 41772 flow. Second operand 14 states and 3258 transitions. [2022-12-13 13:43:07,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 1199 transitions, 49176 flow [2022-12-13 13:43:10,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 1199 transitions, 48797 flow, removed 62 selfloop flow, removed 2 redundant places. [2022-12-13 13:43:10,251 INFO L231 Difference]: Finished difference. Result has 337 places, 1096 transitions, 47041 flow [2022-12-13 13:43:10,252 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=41461, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=47041, PETRI_PLACES=337, PETRI_TRANSITIONS=1096} [2022-12-13 13:43:10,252 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 254 predicate places. [2022-12-13 13:43:10,252 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 1096 transitions, 47041 flow [2022-12-13 13:43:10,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:10,253 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:43:10,253 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:10,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 13:43:10,253 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:43:10,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:10,253 INFO L85 PathProgramCache]: Analyzing trace with hash -690424900, now seen corresponding path program 3 times [2022-12-13 13:43:10,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:10,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196467347] [2022-12-13 13:43:10,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:10,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:43:10,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:10,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196467347] [2022-12-13 13:43:10,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196467347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:10,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:43:10,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:43:10,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431941405] [2022-12-13 13:43:10,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:10,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:43:10,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:10,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:43:10,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:43:11,344 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 547 [2022-12-13 13:43:11,345 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 1096 transitions, 47041 flow. Second operand has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:11,345 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:43:11,345 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 547 [2022-12-13 13:43:11,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:43:17,359 INFO L130 PetriNetUnfolder]: 4143/9014 cut-off events. [2022-12-13 13:43:17,359 INFO L131 PetriNetUnfolder]: For 678544/678571 co-relation queries the response was YES. [2022-12-13 13:43:17,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114471 conditions, 9014 events. 4143/9014 cut-off events. For 678544/678571 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 77653 event pairs, 366 based on Foata normal form. 35/8866 useless extension candidates. Maximal degree in co-relation 114350. Up to 4405 conditions per place. [2022-12-13 13:43:17,452 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1236 selfloop transitions, 434 changer transitions 0/1687 dead transitions. [2022-12-13 13:43:17,452 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1687 transitions, 70068 flow [2022-12-13 13:43:17,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 13:43:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-13 13:43:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3269 transitions. [2022-12-13 13:43:17,455 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42687385740402195 [2022-12-13 13:43:17,455 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3269 transitions. [2022-12-13 13:43:17,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3269 transitions. [2022-12-13 13:43:17,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:43:17,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3269 transitions. [2022-12-13 13:43:17,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 233.5) internal successors, (3269), 14 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:17,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 547.0) internal successors, (8205), 15 states have internal predecessors, (8205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:17,461 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 547.0) internal successors, (8205), 15 states have internal predecessors, (8205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:17,462 INFO L175 Difference]: Start difference. First operand has 337 places, 1096 transitions, 47041 flow. Second operand 14 states and 3269 transitions. [2022-12-13 13:43:17,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1687 transitions, 70068 flow [2022-12-13 13:43:22,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 1687 transitions, 68668 flow, removed 141 selfloop flow, removed 5 redundant places. [2022-12-13 13:43:22,122 INFO L231 Difference]: Finished difference. Result has 354 places, 1281 transitions, 55874 flow [2022-12-13 13:43:22,123 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=46021, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1096, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=748, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=55874, PETRI_PLACES=354, PETRI_TRANSITIONS=1281} [2022-12-13 13:43:22,123 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 271 predicate places. [2022-12-13 13:43:22,123 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 1281 transitions, 55874 flow [2022-12-13 13:43:22,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:22,124 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:43:22,124 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:22,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-13 13:43:22,124 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:43:22,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:22,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1339074532, now seen corresponding path program 4 times [2022-12-13 13:43:22,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:22,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116670105] [2022-12-13 13:43:22,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:22,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:43:22,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:22,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116670105] [2022-12-13 13:43:22,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116670105] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:22,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:43:22,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:43:22,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687981373] [2022-12-13 13:43:22,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:22,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:43:22,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:22,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:43:22,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:43:23,265 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 547 [2022-12-13 13:43:23,266 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 1281 transitions, 55874 flow. Second operand has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:23,266 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:43:23,266 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 547 [2022-12-13 13:43:23,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:43:30,801 INFO L130 PetriNetUnfolder]: 4298/9414 cut-off events. [2022-12-13 13:43:30,801 INFO L131 PetriNetUnfolder]: For 724716/724740 co-relation queries the response was YES. [2022-12-13 13:43:30,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120775 conditions, 9414 events. 4298/9414 cut-off events. For 724716/724740 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 82198 event pairs, 673 based on Foata normal form. 28/9243 useless extension candidates. Maximal degree in co-relation 120647. Up to 4634 conditions per place. [2022-12-13 13:43:30,907 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 833 selfloop transitions, 573 changer transitions 0/1423 dead transitions. [2022-12-13 13:43:30,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 1423 transitions, 62428 flow [2022-12-13 13:43:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:43:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-13 13:43:30,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2797 transitions. [2022-12-13 13:43:30,911 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4261121267519805 [2022-12-13 13:43:30,911 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2797 transitions. [2022-12-13 13:43:30,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2797 transitions. [2022-12-13 13:43:30,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:43:30,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2797 transitions. [2022-12-13 13:43:30,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 233.08333333333334) internal successors, (2797), 12 states have internal predecessors, (2797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:30,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 547.0) internal successors, (7111), 13 states have internal predecessors, (7111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:30,916 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 547.0) internal successors, (7111), 13 states have internal predecessors, (7111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:30,916 INFO L175 Difference]: Start difference. First operand has 354 places, 1281 transitions, 55874 flow. Second operand 12 states and 2797 transitions. [2022-12-13 13:43:30,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 1423 transitions, 62428 flow [2022-12-13 13:43:35,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 1423 transitions, 62240 flow, removed 32 selfloop flow, removed 3 redundant places. [2022-12-13 13:43:35,917 INFO L231 Difference]: Finished difference. Result has 368 places, 1341 transitions, 60605 flow [2022-12-13 13:43:35,917 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=55700, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=514, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=731, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=60605, PETRI_PLACES=368, PETRI_TRANSITIONS=1341} [2022-12-13 13:43:35,918 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 285 predicate places. [2022-12-13 13:43:35,918 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 1341 transitions, 60605 flow [2022-12-13 13:43:35,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:35,918 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:43:35,918 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:35,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-13 13:43:35,918 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:43:35,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:35,918 INFO L85 PathProgramCache]: Analyzing trace with hash 375416760, now seen corresponding path program 5 times [2022-12-13 13:43:35,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:35,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787053118] [2022-12-13 13:43:35,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:35,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:43:36,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:36,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787053118] [2022-12-13 13:43:36,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787053118] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:36,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:43:36,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:43:36,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629383004] [2022-12-13 13:43:36,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:36,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:43:36,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:36,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:43:36,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:43:37,100 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 547 [2022-12-13 13:43:37,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 1341 transitions, 60605 flow. Second operand has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:37,102 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:43:37,102 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 547 [2022-12-13 13:43:37,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:43:44,050 INFO L130 PetriNetUnfolder]: 4377/9572 cut-off events. [2022-12-13 13:43:44,050 INFO L131 PetriNetUnfolder]: For 796139/796163 co-relation queries the response was YES. [2022-12-13 13:43:44,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126465 conditions, 9572 events. 4377/9572 cut-off events. For 796139/796163 co-relation queries the response was YES. Maximal size of possible extension queue 553. Compared 83371 event pairs, 583 based on Foata normal form. 28/9400 useless extension candidates. Maximal degree in co-relation 126331. Up to 4705 conditions per place. [2022-12-13 13:43:44,156 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 1260 selfloop transitions, 479 changer transitions 0/1756 dead transitions. [2022-12-13 13:43:44,156 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 1756 transitions, 76504 flow [2022-12-13 13:43:44,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:43:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-13 13:43:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2811 transitions. [2022-12-13 13:43:44,158 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4282449725776965 [2022-12-13 13:43:44,158 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2811 transitions. [2022-12-13 13:43:44,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2811 transitions. [2022-12-13 13:43:44,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:43:44,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2811 transitions. [2022-12-13 13:43:44,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 234.25) internal successors, (2811), 12 states have internal predecessors, (2811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:44,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 547.0) internal successors, (7111), 13 states have internal predecessors, (7111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:44,163 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 547.0) internal successors, (7111), 13 states have internal predecessors, (7111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:44,163 INFO L175 Difference]: Start difference. First operand has 368 places, 1341 transitions, 60605 flow. Second operand 12 states and 2811 transitions. [2022-12-13 13:43:44,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 1756 transitions, 76504 flow [2022-12-13 13:43:49,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 1756 transitions, 76338 flow, removed 29 selfloop flow, removed 3 redundant places. [2022-12-13 13:43:49,973 INFO L231 Difference]: Finished difference. Result has 383 places, 1429 transitions, 67143 flow [2022-12-13 13:43:49,973 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=60467, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=392, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=866, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=67143, PETRI_PLACES=383, PETRI_TRANSITIONS=1429} [2022-12-13 13:43:49,974 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 300 predicate places. [2022-12-13 13:43:49,974 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 1429 transitions, 67143 flow [2022-12-13 13:43:49,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:49,974 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:43:49,974 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:43:49,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-13 13:43:49,974 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:43:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:43:49,975 INFO L85 PathProgramCache]: Analyzing trace with hash 655537590, now seen corresponding path program 6 times [2022-12-13 13:43:49,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:43:49,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528511109] [2022-12-13 13:43:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:43:49,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:43:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:43:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:43:50,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:43:50,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528511109] [2022-12-13 13:43:50,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528511109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:43:50,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:43:50,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:43:50,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368622174] [2022-12-13 13:43:50,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:43:50,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:43:50,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:43:50,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:43:50,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:43:51,193 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 547 [2022-12-13 13:43:51,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 1429 transitions, 67143 flow. Second operand has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:43:51,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:43:51,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 547 [2022-12-13 13:43:51,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:44:00,140 INFO L130 PetriNetUnfolder]: 4719/10374 cut-off events. [2022-12-13 13:44:00,140 INFO L131 PetriNetUnfolder]: For 929307/929331 co-relation queries the response was YES. [2022-12-13 13:44:00,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140042 conditions, 10374 events. 4719/10374 cut-off events. For 929307/929331 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 92035 event pairs, 548 based on Foata normal form. 40/10185 useless extension candidates. Maximal degree in co-relation 139901. Up to 5157 conditions per place. [2022-12-13 13:44:00,275 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 817 selfloop transitions, 837 changer transitions 0/1671 dead transitions. [2022-12-13 13:44:00,275 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 1671 transitions, 78001 flow [2022-12-13 13:44:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 13:44:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-13 13:44:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4168 transitions. [2022-12-13 13:44:00,278 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4233191143611619 [2022-12-13 13:44:00,278 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 4168 transitions. [2022-12-13 13:44:00,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 4168 transitions. [2022-12-13 13:44:00,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:44:00,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 4168 transitions. [2022-12-13 13:44:00,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 231.55555555555554) internal successors, (4168), 18 states have internal predecessors, (4168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:00,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 547.0) internal successors, (10393), 19 states have internal predecessors, (10393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:00,286 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 547.0) internal successors, (10393), 19 states have internal predecessors, (10393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:00,286 INFO L175 Difference]: Start difference. First operand has 383 places, 1429 transitions, 67143 flow. Second operand 18 states and 4168 transitions. [2022-12-13 13:44:00,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 1671 transitions, 78001 flow [2022-12-13 13:44:07,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 1671 transitions, 77845 flow, removed 51 selfloop flow, removed 2 redundant places. [2022-12-13 13:44:07,172 INFO L231 Difference]: Finished difference. Result has 405 places, 1574 transitions, 76564 flow [2022-12-13 13:44:07,173 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=66994, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=696, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=670, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=76564, PETRI_PLACES=405, PETRI_TRANSITIONS=1574} [2022-12-13 13:44:07,173 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 322 predicate places. [2022-12-13 13:44:07,173 INFO L495 AbstractCegarLoop]: Abstraction has has 405 places, 1574 transitions, 76564 flow [2022-12-13 13:44:07,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:07,173 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:44:07,174 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:07,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-13 13:44:07,174 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:44:07,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:07,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1069595492, now seen corresponding path program 7 times [2022-12-13 13:44:07,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:07,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895739692] [2022-12-13 13:44:07,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:07,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:44:07,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:44:07,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895739692] [2022-12-13 13:44:07,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895739692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:07,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:07,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:44:07,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099302784] [2022-12-13 13:44:07,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:07,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:44:07,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:44:07,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:44:07,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:44:08,271 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 547 [2022-12-13 13:44:08,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 1574 transitions, 76564 flow. Second operand has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:08,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:44:08,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 547 [2022-12-13 13:44:08,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:44:17,508 INFO L130 PetriNetUnfolder]: 4821/10706 cut-off events. [2022-12-13 13:44:17,509 INFO L131 PetriNetUnfolder]: For 1002205/1002229 co-relation queries the response was YES. [2022-12-13 13:44:17,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149146 conditions, 10706 events. 4821/10706 cut-off events. For 1002205/1002229 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 96376 event pairs, 530 based on Foata normal form. 34/10494 useless extension candidates. Maximal degree in co-relation 148998. Up to 5345 conditions per place. [2022-12-13 13:44:17,673 INFO L137 encePairwiseOnDemand]: 533/547 looper letters, 906 selfloop transitions, 837 changer transitions 0/1760 dead transitions. [2022-12-13 13:44:17,673 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 1760 transitions, 86402 flow [2022-12-13 13:44:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 13:44:17,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-13 13:44:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3715 transitions. [2022-12-13 13:44:17,676 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4244744058500914 [2022-12-13 13:44:17,676 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3715 transitions. [2022-12-13 13:44:17,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3715 transitions. [2022-12-13 13:44:17,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:44:17,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3715 transitions. [2022-12-13 13:44:17,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 232.1875) internal successors, (3715), 16 states have internal predecessors, (3715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:17,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 547.0) internal successors, (9299), 17 states have internal predecessors, (9299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:17,684 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 547.0) internal successors, (9299), 17 states have internal predecessors, (9299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:17,684 INFO L175 Difference]: Start difference. First operand has 405 places, 1574 transitions, 76564 flow. Second operand 16 states and 3715 transitions. [2022-12-13 13:44:17,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 1760 transitions, 86402 flow [2022-12-13 13:44:26,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1760 transitions, 85924 flow, removed 115 selfloop flow, removed 6 redundant places. [2022-12-13 13:44:26,160 INFO L231 Difference]: Finished difference. Result has 421 places, 1686 transitions, 85389 flow [2022-12-13 13:44:26,161 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=76096, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=726, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=771, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=85389, PETRI_PLACES=421, PETRI_TRANSITIONS=1686} [2022-12-13 13:44:26,161 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 338 predicate places. [2022-12-13 13:44:26,161 INFO L495 AbstractCegarLoop]: Abstraction has has 421 places, 1686 transitions, 85389 flow [2022-12-13 13:44:26,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 222.54545454545453) internal successors, (2448), 11 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:26,162 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:44:26,162 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:26,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-13 13:44:26,162 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:44:26,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:26,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1897532868, now seen corresponding path program 1 times [2022-12-13 13:44:26,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:26,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312318151] [2022-12-13 13:44:26,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:26,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:44:26,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:44:26,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312318151] [2022-12-13 13:44:26,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312318151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:26,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:26,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:44:26,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428608176] [2022-12-13 13:44:26,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:26,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:44:26,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:44:26,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:44:26,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:44:27,593 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:44:27,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 1686 transitions, 85389 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:27,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:44:27,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:44:27,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:44:37,186 INFO L130 PetriNetUnfolder]: 4829/10582 cut-off events. [2022-12-13 13:44:37,186 INFO L131 PetriNetUnfolder]: For 1091135/1091158 co-relation queries the response was YES. [2022-12-13 13:44:37,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154198 conditions, 10582 events. 4829/10582 cut-off events. For 1091135/1091158 co-relation queries the response was YES. Maximal size of possible extension queue 627. Compared 94352 event pairs, 509 based on Foata normal form. 16/10376 useless extension candidates. Maximal degree in co-relation 154043. Up to 5353 conditions per place. [2022-12-13 13:44:37,327 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1509 selfloop transitions, 491 changer transitions 0/2017 dead transitions. [2022-12-13 13:44:37,327 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 2017 transitions, 97934 flow [2022-12-13 13:44:37,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 13:44:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-13 13:44:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3002 transitions. [2022-12-13 13:44:37,329 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42216284629447337 [2022-12-13 13:44:37,329 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3002 transitions. [2022-12-13 13:44:37,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3002 transitions. [2022-12-13 13:44:37,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:44:37,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3002 transitions. [2022-12-13 13:44:37,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 230.92307692307693) internal successors, (3002), 13 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:37,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 547.0) internal successors, (7658), 14 states have internal predecessors, (7658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:37,335 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 547.0) internal successors, (7658), 14 states have internal predecessors, (7658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:37,335 INFO L175 Difference]: Start difference. First operand has 421 places, 1686 transitions, 85389 flow. Second operand 13 states and 3002 transitions. [2022-12-13 13:44:37,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 2017 transitions, 97934 flow [2022-12-13 13:44:47,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 2017 transitions, 97456 flow, removed 238 selfloop flow, removed 1 redundant places. [2022-12-13 13:44:47,607 INFO L231 Difference]: Finished difference. Result has 438 places, 1724 transitions, 87503 flow [2022-12-13 13:44:47,608 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=85027, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=453, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=87503, PETRI_PLACES=438, PETRI_TRANSITIONS=1724} [2022-12-13 13:44:47,608 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 355 predicate places. [2022-12-13 13:44:47,608 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 1724 transitions, 87503 flow [2022-12-13 13:44:47,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:47,608 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:44:47,609 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:44:47,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-13 13:44:47,609 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:44:47,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:44:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1675672600, now seen corresponding path program 2 times [2022-12-13 13:44:47,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:44:47,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608474176] [2022-12-13 13:44:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:44:47,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:44:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:44:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:44:47,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:44:47,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608474176] [2022-12-13 13:44:47,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608474176] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:44:47,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:44:47,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:44:47,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000553660] [2022-12-13 13:44:47,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:44:47,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:44:47,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:44:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:44:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:44:49,130 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:44:49,131 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 1724 transitions, 87503 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:44:49,131 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:44:49,131 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:44:49,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:44:59,915 INFO L130 PetriNetUnfolder]: 4918/10847 cut-off events. [2022-12-13 13:44:59,915 INFO L131 PetriNetUnfolder]: For 1164415/1164446 co-relation queries the response was YES. [2022-12-13 13:45:00,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159436 conditions, 10847 events. 4918/10847 cut-off events. For 1164415/1164446 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 97548 event pairs, 486 based on Foata normal form. 24/10645 useless extension candidates. Maximal degree in co-relation 159275. Up to 5479 conditions per place. [2022-12-13 13:45:00,103 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1556 selfloop transitions, 490 changer transitions 0/2063 dead transitions. [2022-12-13 13:45:00,104 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 2063 transitions, 100696 flow [2022-12-13 13:45:00,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 13:45:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-13 13:45:00,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3460 transitions. [2022-12-13 13:45:00,107 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42169408897014016 [2022-12-13 13:45:00,107 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3460 transitions. [2022-12-13 13:45:00,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3460 transitions. [2022-12-13 13:45:00,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:45:00,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3460 transitions. [2022-12-13 13:45:00,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 230.66666666666666) internal successors, (3460), 15 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:00,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 547.0) internal successors, (8752), 16 states have internal predecessors, (8752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:00,114 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 547.0) internal successors, (8752), 16 states have internal predecessors, (8752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:00,114 INFO L175 Difference]: Start difference. First operand has 438 places, 1724 transitions, 87503 flow. Second operand 15 states and 3460 transitions. [2022-12-13 13:45:00,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 2063 transitions, 100696 flow [2022-12-13 13:45:11,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 2063 transitions, 100149 flow, removed 76 selfloop flow, removed 7 redundant places. [2022-12-13 13:45:11,578 INFO L231 Difference]: Finished difference. Result has 450 places, 1748 transitions, 89277 flow [2022-12-13 13:45:11,579 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=86964, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1724, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=467, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=89277, PETRI_PLACES=450, PETRI_TRANSITIONS=1748} [2022-12-13 13:45:11,579 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 367 predicate places. [2022-12-13 13:45:11,579 INFO L495 AbstractCegarLoop]: Abstraction has has 450 places, 1748 transitions, 89277 flow [2022-12-13 13:45:11,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:11,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:45:11,580 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:45:11,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-13 13:45:11,580 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:45:11,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:45:11,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1665099552, now seen corresponding path program 1 times [2022-12-13 13:45:11,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:45:11,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401374791] [2022-12-13 13:45:11,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:45:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:45:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:45:11,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:45:11,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401374791] [2022-12-13 13:45:11,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401374791] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:45:11,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:45:11,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:45:11,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020977185] [2022-12-13 13:45:11,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:45:11,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:45:11,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:45:11,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:45:11,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:45:12,165 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 547 [2022-12-13 13:45:12,166 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 1748 transitions, 89277 flow. Second operand has 6 states, 6 states have (on average 223.33333333333334) internal successors, (1340), 6 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:12,166 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:45:12,166 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 547 [2022-12-13 13:45:12,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:45:19,084 INFO L130 PetriNetUnfolder]: 3805/9640 cut-off events. [2022-12-13 13:45:19,084 INFO L131 PetriNetUnfolder]: For 1078401/1081525 co-relation queries the response was YES. [2022-12-13 13:45:19,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142340 conditions, 9640 events. 3805/9640 cut-off events. For 1078401/1081525 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 96032 event pairs, 963 based on Foata normal form. 52/9064 useless extension candidates. Maximal degree in co-relation 142178. Up to 6309 conditions per place. [2022-12-13 13:45:19,226 INFO L137 encePairwiseOnDemand]: 537/547 looper letters, 1135 selfloop transitions, 239 changer transitions 0/1803 dead transitions. [2022-12-13 13:45:19,227 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 1803 transitions, 94826 flow [2022-12-13 13:45:19,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:45:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 13:45:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1373 transitions. [2022-12-13 13:45:19,229 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4183424741011578 [2022-12-13 13:45:19,229 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1373 transitions. [2022-12-13 13:45:19,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1373 transitions. [2022-12-13 13:45:19,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:45:19,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1373 transitions. [2022-12-13 13:45:19,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.83333333333334) internal successors, (1373), 6 states have internal predecessors, (1373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:19,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 547.0) internal successors, (3829), 7 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:19,232 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 547.0) internal successors, (3829), 7 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:19,232 INFO L175 Difference]: Start difference. First operand has 450 places, 1748 transitions, 89277 flow. Second operand 6 states and 1373 transitions. [2022-12-13 13:45:19,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 1803 transitions, 94826 flow [2022-12-13 13:45:26,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 1803 transitions, 94323 flow, removed 88 selfloop flow, removed 4 redundant places. [2022-12-13 13:45:27,003 INFO L231 Difference]: Finished difference. Result has 451 places, 1781 transitions, 91571 flow [2022-12-13 13:45:27,004 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=88789, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1747, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=91571, PETRI_PLACES=451, PETRI_TRANSITIONS=1781} [2022-12-13 13:45:27,005 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 368 predicate places. [2022-12-13 13:45:27,005 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 1781 transitions, 91571 flow [2022-12-13 13:45:27,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 223.33333333333334) internal successors, (1340), 6 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:27,005 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:45:27,005 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:45:27,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-13 13:45:27,005 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:45:27,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:45:27,005 INFO L85 PathProgramCache]: Analyzing trace with hash -925392188, now seen corresponding path program 3 times [2022-12-13 13:45:27,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:45:27,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917500768] [2022-12-13 13:45:27,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:45:27,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:45:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:27,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:45:27,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:45:27,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917500768] [2022-12-13 13:45:27,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917500768] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:45:27,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:45:27,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:45:27,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544454197] [2022-12-13 13:45:27,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:45:27,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:45:27,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:45:27,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:45:27,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:45:28,505 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:45:28,506 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 1781 transitions, 91571 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:28,506 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:45:28,506 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:45:28,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:45:38,633 INFO L130 PetriNetUnfolder]: 4962/10944 cut-off events. [2022-12-13 13:45:38,634 INFO L131 PetriNetUnfolder]: For 1208800/1208839 co-relation queries the response was YES. [2022-12-13 13:45:38,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 162297 conditions, 10944 events. 4962/10944 cut-off events. For 1208800/1208839 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 98879 event pairs, 443 based on Foata normal form. 28/10748 useless extension candidates. Maximal degree in co-relation 162134. Up to 5541 conditions per place. [2022-12-13 13:45:38,772 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1564 selfloop transitions, 524 changer transitions 0/2104 dead transitions. [2022-12-13 13:45:38,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 2104 transitions, 104291 flow [2022-12-13 13:45:38,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 13:45:38,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-13 13:45:38,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3456 transitions. [2022-12-13 13:45:38,775 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4212065813528336 [2022-12-13 13:45:38,775 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3456 transitions. [2022-12-13 13:45:38,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3456 transitions. [2022-12-13 13:45:38,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:45:38,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3456 transitions. [2022-12-13 13:45:38,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 230.4) internal successors, (3456), 15 states have internal predecessors, (3456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:38,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 547.0) internal successors, (8752), 16 states have internal predecessors, (8752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:38,783 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 547.0) internal successors, (8752), 16 states have internal predecessors, (8752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:38,783 INFO L175 Difference]: Start difference. First operand has 451 places, 1781 transitions, 91571 flow. Second operand 15 states and 3456 transitions. [2022-12-13 13:45:38,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 2104 transitions, 104291 flow [2022-12-13 13:45:50,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 2104 transitions, 103515 flow, removed 259 selfloop flow, removed 4 redundant places. [2022-12-13 13:45:50,228 INFO L231 Difference]: Finished difference. Result has 467 places, 1797 transitions, 93023 flow [2022-12-13 13:45:50,229 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=90847, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1781, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=509, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=93023, PETRI_PLACES=467, PETRI_TRANSITIONS=1797} [2022-12-13 13:45:50,229 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 384 predicate places. [2022-12-13 13:45:50,230 INFO L495 AbstractCegarLoop]: Abstraction has has 467 places, 1797 transitions, 93023 flow [2022-12-13 13:45:50,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:50,230 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:45:50,230 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:45:50,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-13 13:45:50,230 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:45:50,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:45:50,230 INFO L85 PathProgramCache]: Analyzing trace with hash -240088922, now seen corresponding path program 4 times [2022-12-13 13:45:50,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:45:50,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958543727] [2022-12-13 13:45:50,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:45:50,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:45:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:45:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:45:50,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:45:50,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958543727] [2022-12-13 13:45:50,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958543727] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:45:50,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:45:50,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:45:50,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108333411] [2022-12-13 13:45:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:45:50,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:45:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:45:50,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:45:50,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:45:51,584 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:45:51,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 1797 transitions, 93023 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:45:51,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:45:51,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:45:51,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:46:02,386 INFO L130 PetriNetUnfolder]: 4980/11083 cut-off events. [2022-12-13 13:46:02,386 INFO L131 PetriNetUnfolder]: For 1266668/1266703 co-relation queries the response was YES. [2022-12-13 13:46:02,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165320 conditions, 11083 events. 4980/11083 cut-off events. For 1266668/1266703 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 100981 event pairs, 445 based on Foata normal form. 26/10873 useless extension candidates. Maximal degree in co-relation 165151. Up to 5267 conditions per place. [2022-12-13 13:46:02,545 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1574 selfloop transitions, 525 changer transitions 0/2115 dead transitions. [2022-12-13 13:46:02,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 2115 transitions, 105571 flow [2022-12-13 13:46:02,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 13:46:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-13 13:46:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3458 transitions. [2022-12-13 13:46:02,550 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4214503351614869 [2022-12-13 13:46:02,550 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 3458 transitions. [2022-12-13 13:46:02,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 3458 transitions. [2022-12-13 13:46:02,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:46:02,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 3458 transitions. [2022-12-13 13:46:02,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 230.53333333333333) internal successors, (3458), 15 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:02,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 547.0) internal successors, (8752), 16 states have internal predecessors, (8752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:02,560 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 547.0) internal successors, (8752), 16 states have internal predecessors, (8752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:02,560 INFO L175 Difference]: Start difference. First operand has 467 places, 1797 transitions, 93023 flow. Second operand 15 states and 3458 transitions. [2022-12-13 13:46:02,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 2115 transitions, 105571 flow [2022-12-13 13:46:14,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 2115 transitions, 105395 flow, removed 61 selfloop flow, removed 3 redundant places. [2022-12-13 13:46:14,847 INFO L231 Difference]: Finished difference. Result has 483 places, 1811 transitions, 94825 flow [2022-12-13 13:46:14,847 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=92847, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1797, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=511, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=94825, PETRI_PLACES=483, PETRI_TRANSITIONS=1811} [2022-12-13 13:46:14,848 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 400 predicate places. [2022-12-13 13:46:14,848 INFO L495 AbstractCegarLoop]: Abstraction has has 483 places, 1811 transitions, 94825 flow [2022-12-13 13:46:14,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:14,848 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:46:14,848 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:46:14,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-12-13 13:46:14,848 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:46:14,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:46:14,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1876054472, now seen corresponding path program 5 times [2022-12-13 13:46:14,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:46:14,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422577134] [2022-12-13 13:46:14,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:46:14,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:46:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:46:15,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:46:15,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422577134] [2022-12-13 13:46:15,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422577134] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:46:15,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:46:15,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:46:15,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275995054] [2022-12-13 13:46:15,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:46:15,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:46:15,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:46:15,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:46:15,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:46:16,473 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:46:16,475 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 1811 transitions, 94825 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:16,475 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:46:16,475 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:46:16,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:46:27,870 INFO L130 PetriNetUnfolder]: 5284/12050 cut-off events. [2022-12-13 13:46:27,870 INFO L131 PetriNetUnfolder]: For 1443126/1443176 co-relation queries the response was YES. [2022-12-13 13:46:27,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178806 conditions, 12050 events. 5284/12050 cut-off events. For 1443126/1443176 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 113806 event pairs, 651 based on Foata normal form. 38/11810 useless extension candidates. Maximal degree in co-relation 178632. Up to 5736 conditions per place. [2022-12-13 13:46:28,034 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1267 selfloop transitions, 714 changer transitions 0/1997 dead transitions. [2022-12-13 13:46:28,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 1997 transitions, 104917 flow [2022-12-13 13:46:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 13:46:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-13 13:46:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3671 transitions. [2022-12-13 13:46:28,037 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4194469835466179 [2022-12-13 13:46:28,038 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3671 transitions. [2022-12-13 13:46:28,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3671 transitions. [2022-12-13 13:46:28,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:46:28,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3671 transitions. [2022-12-13 13:46:28,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 229.4375) internal successors, (3671), 16 states have internal predecessors, (3671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:28,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 547.0) internal successors, (9299), 17 states have internal predecessors, (9299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:28,044 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 547.0) internal successors, (9299), 17 states have internal predecessors, (9299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:28,044 INFO L175 Difference]: Start difference. First operand has 483 places, 1811 transitions, 94825 flow. Second operand 16 states and 3671 transitions. [2022-12-13 13:46:28,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 1997 transitions, 104917 flow [2022-12-13 13:46:41,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 1997 transitions, 104064 flow, removed 56 selfloop flow, removed 10 redundant places. [2022-12-13 13:46:41,665 INFO L231 Difference]: Finished difference. Result has 491 places, 1860 transitions, 99212 flow [2022-12-13 13:46:41,666 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=94017, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1811, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=665, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=99212, PETRI_PLACES=491, PETRI_TRANSITIONS=1860} [2022-12-13 13:46:41,666 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 408 predicate places. [2022-12-13 13:46:41,666 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 1860 transitions, 99212 flow [2022-12-13 13:46:41,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:41,666 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:46:41,666 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:46:41,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-12-13 13:46:41,667 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:46:41,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:46:41,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1544181558, now seen corresponding path program 6 times [2022-12-13 13:46:41,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:46:41,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501011951] [2022-12-13 13:46:41,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:46:41,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:46:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:46:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:46:42,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:46:42,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501011951] [2022-12-13 13:46:42,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501011951] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:46:42,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:46:42,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:46:42,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210533329] [2022-12-13 13:46:42,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:46:42,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:46:42,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:46:42,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:46:42,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:46:42,953 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:46:42,954 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 1860 transitions, 99212 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:42,955 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:46:42,955 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:46:42,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:46:56,694 INFO L130 PetriNetUnfolder]: 5928/13897 cut-off events. [2022-12-13 13:46:56,694 INFO L131 PetriNetUnfolder]: For 1738333/1738389 co-relation queries the response was YES. [2022-12-13 13:46:56,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205781 conditions, 13897 events. 5928/13897 cut-off events. For 1738333/1738389 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 137726 event pairs, 738 based on Foata normal form. 40/13582 useless extension candidates. Maximal degree in co-relation 205604. Up to 6656 conditions per place. [2022-12-13 13:46:56,901 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1339 selfloop transitions, 788 changer transitions 0/2143 dead transitions. [2022-12-13 13:46:56,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 2143 transitions, 115504 flow [2022-12-13 13:46:56,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 13:46:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-13 13:46:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4126 transitions. [2022-12-13 13:46:56,904 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41905342270972984 [2022-12-13 13:46:56,904 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 4126 transitions. [2022-12-13 13:46:56,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 4126 transitions. [2022-12-13 13:46:56,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:46:56,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 4126 transitions. [2022-12-13 13:46:56,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 229.22222222222223) internal successors, (4126), 18 states have internal predecessors, (4126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:56,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 547.0) internal successors, (10393), 19 states have internal predecessors, (10393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:56,913 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 547.0) internal successors, (10393), 19 states have internal predecessors, (10393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:46:56,913 INFO L175 Difference]: Start difference. First operand has 491 places, 1860 transitions, 99212 flow. Second operand 18 states and 4126 transitions. [2022-12-13 13:46:56,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 2143 transitions, 115504 flow [2022-12-13 13:47:14,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 2143 transitions, 114331 flow, removed 99 selfloop flow, removed 3 redundant places. [2022-12-13 13:47:14,866 INFO L231 Difference]: Finished difference. Result has 512 places, 1963 transitions, 106826 flow [2022-12-13 13:47:14,867 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=98137, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=696, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=106826, PETRI_PLACES=512, PETRI_TRANSITIONS=1963} [2022-12-13 13:47:14,867 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 429 predicate places. [2022-12-13 13:47:14,867 INFO L495 AbstractCegarLoop]: Abstraction has has 512 places, 1963 transitions, 106826 flow [2022-12-13 13:47:14,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:47:14,867 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:47:14,867 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:47:14,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-13 13:47:14,868 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:47:14,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:47:14,868 INFO L85 PathProgramCache]: Analyzing trace with hash 509168526, now seen corresponding path program 7 times [2022-12-13 13:47:14,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:47:14,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636578901] [2022-12-13 13:47:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:47:14,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:47:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:47:15,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:47:15,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636578901] [2022-12-13 13:47:15,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636578901] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:47:15,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:47:15,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:47:15,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307532795] [2022-12-13 13:47:15,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:47:15,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:47:15,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:47:15,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:47:15,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:47:16,329 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:47:16,330 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 1963 transitions, 106826 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:47:16,330 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:47:16,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:47:16,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:47:32,003 INFO L130 PetriNetUnfolder]: 6277/15002 cut-off events. [2022-12-13 13:47:32,003 INFO L131 PetriNetUnfolder]: For 1921554/1921613 co-relation queries the response was YES. [2022-12-13 13:47:32,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221438 conditions, 15002 events. 6277/15002 cut-off events. For 1921554/1921613 co-relation queries the response was YES. Maximal size of possible extension queue 810. Compared 152791 event pairs, 663 based on Foata normal form. 39/14636 useless extension candidates. Maximal degree in co-relation 221254. Up to 7170 conditions per place. [2022-12-13 13:47:32,268 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1337 selfloop transitions, 822 changer transitions 0/2175 dead transitions. [2022-12-13 13:47:32,268 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 2175 transitions, 117930 flow [2022-12-13 13:47:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 13:47:32,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-13 13:47:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4570 transitions. [2022-12-13 13:47:32,272 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41773308957952465 [2022-12-13 13:47:32,272 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4570 transitions. [2022-12-13 13:47:32,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4570 transitions. [2022-12-13 13:47:32,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:47:32,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4570 transitions. [2022-12-13 13:47:32,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 228.5) internal successors, (4570), 20 states have internal predecessors, (4570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:47:32,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:47:32,281 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:47:32,281 INFO L175 Difference]: Start difference. First operand has 512 places, 1963 transitions, 106826 flow. Second operand 20 states and 4570 transitions. [2022-12-13 13:47:32,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 2175 transitions, 117930 flow [2022-12-13 13:47:54,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 2175 transitions, 117591 flow, removed 92 selfloop flow, removed 4 redundant places. [2022-12-13 13:47:54,192 INFO L231 Difference]: Finished difference. Result has 531 places, 2036 transitions, 112823 flow [2022-12-13 13:47:54,194 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=106512, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=751, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=112823, PETRI_PLACES=531, PETRI_TRANSITIONS=2036} [2022-12-13 13:47:54,194 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 448 predicate places. [2022-12-13 13:47:54,194 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 2036 transitions, 112823 flow [2022-12-13 13:47:54,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:47:54,194 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:47:54,195 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:47:54,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-13 13:47:54,195 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:47:54,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:47:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash -790035512, now seen corresponding path program 8 times [2022-12-13 13:47:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:47:54,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845522477] [2022-12-13 13:47:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:47:54,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:47:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:47:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:47:54,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:47:54,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845522477] [2022-12-13 13:47:54,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845522477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:47:54,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:47:54,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:47:54,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017122777] [2022-12-13 13:47:54,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:47:54,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:47:54,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:47:54,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:47:54,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:47:55,670 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:47:55,672 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 2036 transitions, 112823 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:47:55,672 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:47:55,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:47:55,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:48:12,315 INFO L130 PetriNetUnfolder]: 6429/15415 cut-off events. [2022-12-13 13:48:12,315 INFO L131 PetriNetUnfolder]: For 2087692/2087754 co-relation queries the response was YES. [2022-12-13 13:48:12,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230405 conditions, 15415 events. 6429/15415 cut-off events. For 2087692/2087754 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 158057 event pairs, 692 based on Foata normal form. 38/15037 useless extension candidates. Maximal degree in co-relation 230217. Up to 7346 conditions per place. [2022-12-13 13:48:12,605 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1366 selfloop transitions, 815 changer transitions 0/2197 dead transitions. [2022-12-13 13:48:12,606 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 2197 transitions, 121423 flow [2022-12-13 13:48:12,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 13:48:12,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-13 13:48:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4570 transitions. [2022-12-13 13:48:12,610 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41773308957952465 [2022-12-13 13:48:12,610 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4570 transitions. [2022-12-13 13:48:12,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4570 transitions. [2022-12-13 13:48:12,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:48:12,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4570 transitions. [2022-12-13 13:48:12,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 228.5) internal successors, (4570), 20 states have internal predecessors, (4570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:48:12,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:48:12,625 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:48:12,625 INFO L175 Difference]: Start difference. First operand has 531 places, 2036 transitions, 112823 flow. Second operand 20 states and 4570 transitions. [2022-12-13 13:48:12,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 2197 transitions, 121423 flow [2022-12-13 13:48:36,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 2197 transitions, 121067 flow, removed 164 selfloop flow, removed 3 redundant places. [2022-12-13 13:48:36,571 INFO L231 Difference]: Finished difference. Result has 551 places, 2078 transitions, 116797 flow [2022-12-13 13:48:36,572 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=112471, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2036, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=774, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=116797, PETRI_PLACES=551, PETRI_TRANSITIONS=2078} [2022-12-13 13:48:36,572 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 468 predicate places. [2022-12-13 13:48:36,572 INFO L495 AbstractCegarLoop]: Abstraction has has 551 places, 2078 transitions, 116797 flow [2022-12-13 13:48:36,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:48:36,572 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:48:36,572 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:48:36,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-13 13:48:36,572 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:48:36,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:48:36,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1402597428, now seen corresponding path program 9 times [2022-12-13 13:48:36,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:48:36,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19143654] [2022-12-13 13:48:36,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:48:36,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:48:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:48:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:48:36,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:48:36,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19143654] [2022-12-13 13:48:36,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19143654] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:48:36,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:48:36,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:48:36,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425513243] [2022-12-13 13:48:36,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:48:36,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:48:36,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:48:36,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:48:36,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:48:37,981 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:48:37,982 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 2078 transitions, 116797 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:48:37,982 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:48:37,982 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:48:37,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:48:55,409 INFO L130 PetriNetUnfolder]: 6437/15522 cut-off events. [2022-12-13 13:48:55,409 INFO L131 PetriNetUnfolder]: For 2197432/2197505 co-relation queries the response was YES. [2022-12-13 13:48:55,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 234049 conditions, 15522 events. 6437/15522 cut-off events. For 2197432/2197505 co-relation queries the response was YES. Maximal size of possible extension queue 843. Compared 160198 event pairs, 895 based on Foata normal form. 49/15151 useless extension candidates. Maximal degree in co-relation 233857. Up to 7372 conditions per place. [2022-12-13 13:48:55,669 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1359 selfloop transitions, 858 changer transitions 0/2233 dead transitions. [2022-12-13 13:48:55,670 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 570 places, 2233 transitions, 125299 flow [2022-12-13 13:48:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 13:48:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-13 13:48:55,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4567 transitions. [2022-12-13 13:48:55,673 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41745886654478975 [2022-12-13 13:48:55,673 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4567 transitions. [2022-12-13 13:48:55,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4567 transitions. [2022-12-13 13:48:55,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:48:55,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4567 transitions. [2022-12-13 13:48:55,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 228.35) internal successors, (4567), 20 states have internal predecessors, (4567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:48:55,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:48:55,682 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:48:55,682 INFO L175 Difference]: Start difference. First operand has 551 places, 2078 transitions, 116797 flow. Second operand 20 states and 4567 transitions. [2022-12-13 13:48:55,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 570 places, 2233 transitions, 125299 flow [2022-12-13 13:49:21,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 2233 transitions, 125045 flow, removed 113 selfloop flow, removed 2 redundant places. [2022-12-13 13:49:21,955 INFO L231 Difference]: Finished difference. Result has 571 places, 2095 transitions, 119945 flow [2022-12-13 13:49:21,957 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=116543, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2078, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=841, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=119945, PETRI_PLACES=571, PETRI_TRANSITIONS=2095} [2022-12-13 13:49:21,958 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 488 predicate places. [2022-12-13 13:49:21,958 INFO L495 AbstractCegarLoop]: Abstraction has has 571 places, 2095 transitions, 119945 flow [2022-12-13 13:49:21,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:21,958 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:49:21,958 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:49:21,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-13 13:49:21,959 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:49:21,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:49:21,959 INFO L85 PathProgramCache]: Analyzing trace with hash 135510158, now seen corresponding path program 10 times [2022-12-13 13:49:21,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:49:21,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622828182] [2022-12-13 13:49:21,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:49:21,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:49:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:49:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:49:22,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:49:22,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622828182] [2022-12-13 13:49:22,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622828182] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:49:22,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:49:22,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:49:22,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517105300] [2022-12-13 13:49:22,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:49:22,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:49:22,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:49:22,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:49:22,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:49:23,624 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:49:23,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 571 places, 2095 transitions, 119945 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:23,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:49:23,626 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:49:23,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:49:42,084 INFO L130 PetriNetUnfolder]: 6671/16229 cut-off events. [2022-12-13 13:49:42,084 INFO L131 PetriNetUnfolder]: For 2426841/2426922 co-relation queries the response was YES. [2022-12-13 13:49:42,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248603 conditions, 16229 events. 6671/16229 cut-off events. For 2426841/2426922 co-relation queries the response was YES. Maximal size of possible extension queue 881. Compared 169928 event pairs, 726 based on Foata normal form. 57/15841 useless extension candidates. Maximal degree in co-relation 248408. Up to 7715 conditions per place. [2022-12-13 13:49:42,370 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1354 selfloop transitions, 949 changer transitions 0/2319 dead transitions. [2022-12-13 13:49:42,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 2319 transitions, 134127 flow [2022-12-13 13:49:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 13:49:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-13 13:49:42,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4128 transitions. [2022-12-13 13:49:42,374 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4192565508836076 [2022-12-13 13:49:42,374 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 4128 transitions. [2022-12-13 13:49:42,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 4128 transitions. [2022-12-13 13:49:42,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:49:42,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 4128 transitions. [2022-12-13 13:49:42,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 229.33333333333334) internal successors, (4128), 18 states have internal predecessors, (4128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:42,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 547.0) internal successors, (10393), 19 states have internal predecessors, (10393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:42,381 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 547.0) internal successors, (10393), 19 states have internal predecessors, (10393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:49:42,381 INFO L175 Difference]: Start difference. First operand has 571 places, 2095 transitions, 119945 flow. Second operand 18 states and 4128 transitions. [2022-12-13 13:49:42,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 2319 transitions, 134127 flow [2022-12-13 13:50:11,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 579 places, 2319 transitions, 133568 flow, removed 39 selfloop flow, removed 9 redundant places. [2022-12-13 13:50:11,246 INFO L231 Difference]: Finished difference. Result has 586 places, 2164 transitions, 127124 flow [2022-12-13 13:50:11,247 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=119392, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2095, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=885, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=127124, PETRI_PLACES=586, PETRI_TRANSITIONS=2164} [2022-12-13 13:50:11,247 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 503 predicate places. [2022-12-13 13:50:11,247 INFO L495 AbstractCegarLoop]: Abstraction has has 586 places, 2164 transitions, 127124 flow [2022-12-13 13:50:11,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:50:11,248 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:50:11,248 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:50:11,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-13 13:50:11,248 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:50:11,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:50:11,248 INFO L85 PathProgramCache]: Analyzing trace with hash 413473928, now seen corresponding path program 11 times [2022-12-13 13:50:11,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:50:11,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376613245] [2022-12-13 13:50:11,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:50:11,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:50:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:50:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:50:11,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:50:11,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376613245] [2022-12-13 13:50:11,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376613245] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:50:11,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:50:11,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:50:11,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481640911] [2022-12-13 13:50:11,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:50:11,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:50:11,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:50:11,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:50:11,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:50:12,958 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:50:12,959 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 2164 transitions, 127124 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:50:12,959 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:50:12,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:50:12,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:50:33,607 INFO L130 PetriNetUnfolder]: 6879/16861 cut-off events. [2022-12-13 13:50:33,607 INFO L131 PetriNetUnfolder]: For 2656938/2657029 co-relation queries the response was YES. [2022-12-13 13:50:33,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261590 conditions, 16861 events. 6879/16861 cut-off events. For 2656938/2657029 co-relation queries the response was YES. Maximal size of possible extension queue 906. Compared 178816 event pairs, 621 based on Foata normal form. 61/16451 useless extension candidates. Maximal degree in co-relation 261389. Up to 8009 conditions per place. [2022-12-13 13:50:33,984 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1302 selfloop transitions, 1005 changer transitions 0/2323 dead transitions. [2022-12-13 13:50:33,984 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 2323 transitions, 136764 flow [2022-12-13 13:50:33,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 13:50:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-13 13:50:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4577 transitions. [2022-12-13 13:50:33,990 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4183729433272395 [2022-12-13 13:50:33,990 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4577 transitions. [2022-12-13 13:50:33,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4577 transitions. [2022-12-13 13:50:33,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:50:33,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4577 transitions. [2022-12-13 13:50:33,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 228.85) internal successors, (4577), 20 states have internal predecessors, (4577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:50:33,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:50:33,998 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:50:33,998 INFO L175 Difference]: Start difference. First operand has 586 places, 2164 transitions, 127124 flow. Second operand 20 states and 4577 transitions. [2022-12-13 13:50:33,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 2323 transitions, 136764 flow [2022-12-13 13:51:05,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 2323 transitions, 136311 flow, removed 77 selfloop flow, removed 6 redundant places. [2022-12-13 13:51:05,101 INFO L231 Difference]: Finished difference. Result has 604 places, 2207 transitions, 132320 flow [2022-12-13 13:51:05,102 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=126671, PETRI_DIFFERENCE_MINUEND_PLACES=580, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=962, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=132320, PETRI_PLACES=604, PETRI_TRANSITIONS=2207} [2022-12-13 13:51:05,102 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 521 predicate places. [2022-12-13 13:51:05,102 INFO L495 AbstractCegarLoop]: Abstraction has has 604 places, 2207 transitions, 132320 flow [2022-12-13 13:51:05,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:51:05,103 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:51:05,103 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:51:05,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-13 13:51:05,103 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:51:05,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:51:05,103 INFO L85 PathProgramCache]: Analyzing trace with hash 277094288, now seen corresponding path program 12 times [2022-12-13 13:51:05,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:51:05,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261004750] [2022-12-13 13:51:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:51:05,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:51:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:51:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:51:05,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:51:05,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261004750] [2022-12-13 13:51:05,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261004750] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:51:05,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:51:05,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:51:05,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419129241] [2022-12-13 13:51:05,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:51:05,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:51:05,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:51:05,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:51:05,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:51:06,624 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:51:06,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 2207 transitions, 132320 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:51:06,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:51:06,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:51:06,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:51:28,921 INFO L130 PetriNetUnfolder]: 6985/17366 cut-off events. [2022-12-13 13:51:28,921 INFO L131 PetriNetUnfolder]: For 2851206/2851289 co-relation queries the response was YES. [2022-12-13 13:51:29,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270656 conditions, 17366 events. 6985/17366 cut-off events. For 2851206/2851289 co-relation queries the response was YES. Maximal size of possible extension queue 922. Compared 186895 event pairs, 794 based on Foata normal form. 59/16919 useless extension candidates. Maximal degree in co-relation 270451. Up to 8199 conditions per place. [2022-12-13 13:51:29,248 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1370 selfloop transitions, 985 changer transitions 0/2371 dead transitions. [2022-12-13 13:51:29,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 2371 transitions, 141867 flow [2022-12-13 13:51:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 13:51:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-13 13:51:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4577 transitions. [2022-12-13 13:51:29,252 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4183729433272395 [2022-12-13 13:51:29,252 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4577 transitions. [2022-12-13 13:51:29,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4577 transitions. [2022-12-13 13:51:29,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:51:29,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4577 transitions. [2022-12-13 13:51:29,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 228.85) internal successors, (4577), 20 states have internal predecessors, (4577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:51:29,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:51:29,261 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:51:29,261 INFO L175 Difference]: Start difference. First operand has 604 places, 2207 transitions, 132320 flow. Second operand 20 states and 4577 transitions. [2022-12-13 13:51:29,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 2371 transitions, 141867 flow [2022-12-13 13:52:03,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 2371 transitions, 141185 flow, removed 47 selfloop flow, removed 5 redundant places. [2022-12-13 13:52:03,900 INFO L231 Difference]: Finished difference. Result has 622 places, 2243 transitions, 136298 flow [2022-12-13 13:52:03,901 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=131657, PETRI_DIFFERENCE_MINUEND_PLACES=599, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=949, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=136298, PETRI_PLACES=622, PETRI_TRANSITIONS=2243} [2022-12-13 13:52:03,902 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 539 predicate places. [2022-12-13 13:52:03,902 INFO L495 AbstractCegarLoop]: Abstraction has has 622 places, 2243 transitions, 136298 flow [2022-12-13 13:52:03,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:52:03,902 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:52:03,902 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:03,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-13 13:52:03,902 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:52:03,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash 645548166, now seen corresponding path program 13 times [2022-12-13 13:52:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:52:03,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141787279] [2022-12-13 13:52:03,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:03,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:52:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:52:04,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:52:04,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141787279] [2022-12-13 13:52:04,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141787279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:52:04,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:52:04,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:52:04,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840913118] [2022-12-13 13:52:04,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:52:04,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:52:04,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:52:04,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:52:04,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:52:05,358 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:52:05,359 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 2243 transitions, 136298 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:52:05,359 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:52:05,359 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:52:05,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:52:26,748 INFO L130 PetriNetUnfolder]: 7091/17817 cut-off events. [2022-12-13 13:52:26,748 INFO L131 PetriNetUnfolder]: For 2955698/2955790 co-relation queries the response was YES. [2022-12-13 13:52:26,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278625 conditions, 17817 events. 7091/17817 cut-off events. For 2955698/2955790 co-relation queries the response was YES. Maximal size of possible extension queue 946. Compared 194209 event pairs, 608 based on Foata normal form. 62/17347 useless extension candidates. Maximal degree in co-relation 278416. Up to 8389 conditions per place. [2022-12-13 13:52:27,037 INFO L137 encePairwiseOnDemand]: 534/547 looper letters, 1341 selfloop transitions, 1039 changer transitions 0/2396 dead transitions. [2022-12-13 13:52:27,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 2396 transitions, 145931 flow [2022-12-13 13:52:27,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 13:52:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-13 13:52:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4581 transitions. [2022-12-13 13:52:27,040 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41873857404021936 [2022-12-13 13:52:27,041 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 4581 transitions. [2022-12-13 13:52:27,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 4581 transitions. [2022-12-13 13:52:27,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:52:27,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 4581 transitions. [2022-12-13 13:52:27,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 229.05) internal successors, (4581), 20 states have internal predecessors, (4581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:52:27,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:52:27,049 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 547.0) internal successors, (11487), 21 states have internal predecessors, (11487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:52:27,049 INFO L175 Difference]: Start difference. First operand has 622 places, 2243 transitions, 136298 flow. Second operand 20 states and 4581 transitions. [2022-12-13 13:52:27,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 2396 transitions, 145931 flow [2022-12-13 13:53:00,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 2396 transitions, 145754 flow, removed 43 selfloop flow, removed 4 redundant places. [2022-12-13 13:53:00,471 INFO L231 Difference]: Finished difference. Result has 642 places, 2288 transitions, 141814 flow [2022-12-13 13:53:00,472 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=547, PETRI_DIFFERENCE_MINUEND_FLOW=136121, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=994, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=141814, PETRI_PLACES=642, PETRI_TRANSITIONS=2288} [2022-12-13 13:53:00,472 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 559 predicate places. [2022-12-13 13:53:00,472 INFO L495 AbstractCegarLoop]: Abstraction has has 642 places, 2288 transitions, 141814 flow [2022-12-13 13:53:00,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:53:00,473 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:53:00,473 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:53:00,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-13 13:53:00,473 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:53:00,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:53:00,473 INFO L85 PathProgramCache]: Analyzing trace with hash 197739028, now seen corresponding path program 14 times [2022-12-13 13:53:00,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:53:00,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065378213] [2022-12-13 13:53:00,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:53:00,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:53:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:53:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:53:00,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:53:00,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065378213] [2022-12-13 13:53:00,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065378213] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:53:00,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:53:00,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:53:00,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815811274] [2022-12-13 13:53:00,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:53:00,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:53:00,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:53:00,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:53:00,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:53:01,625 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 547 [2022-12-13 13:53:01,627 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 2288 transitions, 141814 flow. Second operand has 12 states, 12 states have (on average 220.58333333333334) internal successors, (2647), 12 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:53:01,627 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:53:01,627 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 547 [2022-12-13 13:53:01,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand