./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.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_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/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_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/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_5b7a5e53-7c76-43b8-8f90-0552bf089e00/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 af00d5f4cc6a18cb9fd8a5151467217fe3ddb5ee0fa30b2cfbd9dd374105ee15 --- 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 17:34:52,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:34:52,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:34:52,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:34:52,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:34:52,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:34:52,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:34:52,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:34:52,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:34:52,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:34:52,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:34:52,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:34:52,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:34:52,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:34:52,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:34:52,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:34:52,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:34:52,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:34:52,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:34:52,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:34:52,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:34:52,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:34:52,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:34:52,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:34:52,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:34:52,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:34:52,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:34:52,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:34:52,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:34:52,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:34:52,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:34:52,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:34:52,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:34:52,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:34:52,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:34:52,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:34:52,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:34:52,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:34:52,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:34:52,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:34:52,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:34:52,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 17:34:52,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:34:52,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:34:52,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:34:52,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:34:52,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:34:52,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:34:52,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:34:52,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:34:52,990 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:34:52,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:34:52,990 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:34:52,990 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:34:52,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:34:52,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:34:52,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:34:52,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:34:52,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:34:52,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:34:52,991 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 17:34:52,991 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:34:52,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:34:52,991 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:34:52,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:34:52,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:34:52,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:34:52,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:34:52,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:34:52,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:34:52,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:34:52,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:34:52,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:34:52,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:34:52,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:34:52,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:34:52,993 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:34:52,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:34:52,993 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:34:52,993 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_5b7a5e53-7c76-43b8-8f90-0552bf089e00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af00d5f4cc6a18cb9fd8a5151467217fe3ddb5ee0fa30b2cfbd9dd374105ee15 [2022-12-13 17:34:53,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:34:53,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:34:53,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:34:53,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:34:53,177 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:34:53,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i [2022-12-13 17:34:55,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:34:55,969 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:34:55,969 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i [2022-12-13 17:34:55,978 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/data/c765fcabb/547316e3beda415586a3c1bf1dc8c66a/FLAG5819d299d [2022-12-13 17:34:55,991 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/data/c765fcabb/547316e3beda415586a3c1bf1dc8c66a [2022-12-13 17:34:55,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:34:55,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:34:55,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:34:55,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:34:56,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:34:56,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:34:55" (1/1) ... [2022-12-13 17:34:56,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589bf98b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56, skipping insertion in model container [2022-12-13 17:34:56,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:34:55" (1/1) ... [2022-12-13 17:34:56,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:34:56,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:34:56,302 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_5b7a5e53-7c76-43b8-8f90-0552bf089e00/sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i[30176,30189] [2022-12-13 17:34:56,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:34:56,327 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:34:56,350 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_5b7a5e53-7c76-43b8-8f90-0552bf089e00/sv-benchmarks/c/goblint-regression/28-race_reach_41-trylock_racefree.i[30176,30189] [2022-12-13 17:34:56,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:34:56,379 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:34:56,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56 WrapperNode [2022-12-13 17:34:56,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:34:56,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:34:56,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:34:56,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:34:56,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,409 INFO L138 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2022-12-13 17:34:56,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:34:56,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:34:56,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:34:56,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:34:56,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:34:56,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:34:56,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:34:56,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:34:56,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (1/1) ... [2022-12-13 17:34:56,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:34:56,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:34:56,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:34:56,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7a5e53-7c76-43b8-8f90-0552bf089e00/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:34:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:34:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:34:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 17:34:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:34:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:34:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 17:34:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 17:34:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:34:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2022-12-13 17:34:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:34:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:34:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:34:56,493 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 17:34:56,585 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:34:56,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:34:56,766 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:34:56,772 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:34:56,772 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-13 17:34:56,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:34:56 BoogieIcfgContainer [2022-12-13 17:34:56,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:34:56,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:34:56,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:34:56,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:34:56,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:34:55" (1/3) ... [2022-12-13 17:34:56,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc1ea1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:34:56, skipping insertion in model container [2022-12-13 17:34:56,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:34:56" (2/3) ... [2022-12-13 17:34:56,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc1ea1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:34:56, skipping insertion in model container [2022-12-13 17:34:56,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:34:56" (3/3) ... [2022-12-13 17:34:56,783 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2022-12-13 17:34:56,791 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 17:34:56,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:34:56,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 17:34:56,799 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 17:34:56,851 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 17:34:56,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 133 transitions, 274 flow [2022-12-13 17:34:56,946 INFO L130 PetriNetUnfolder]: 21/181 cut-off events. [2022-12-13 17:34:56,946 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 17:34:56,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 181 events. 21/181 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 559 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 97. Up to 6 conditions per place. [2022-12-13 17:34:56,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 133 transitions, 274 flow [2022-12-13 17:34:56,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 133 transitions, 274 flow [2022-12-13 17:34:56,962 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:34:56,972 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 133 transitions, 274 flow [2022-12-13 17:34:56,975 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 133 transitions, 274 flow [2022-12-13 17:34:56,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 133 transitions, 274 flow [2022-12-13 17:34:57,013 INFO L130 PetriNetUnfolder]: 21/181 cut-off events. [2022-12-13 17:34:57,013 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 17:34:57,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 181 events. 21/181 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 559 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 97. Up to 6 conditions per place. [2022-12-13 17:34:57,017 INFO L119 LiptonReduction]: Number of co-enabled transitions 4752 [2022-12-13 17:34:59,140 INFO L134 LiptonReduction]: Checked pairs total: 12488 [2022-12-13 17:34:59,140 INFO L136 LiptonReduction]: Total number of compositions: 99 [2022-12-13 17:34:59,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:34:59,161 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;@494473b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:34:59,161 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-12-13 17:34:59,165 INFO L130 PetriNetUnfolder]: 1/11 cut-off events. [2022-12-13 17:34:59,165 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:34:59,165 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:34:59,166 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:34:59,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-13 17:34:59,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:59,170 INFO L85 PathProgramCache]: Analyzing trace with hash 475702868, now seen corresponding path program 1 times [2022-12-13 17:34:59,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:59,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600984190] [2022-12-13 17:34:59,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:59,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:34:59,329 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 17:34:59,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:34:59,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600984190] [2022-12-13 17:34:59,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600984190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:34:59,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:34:59,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:34:59,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467483099] [2022-12-13 17:34:59,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:34:59,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:34:59,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:34:59,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:34:59,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:34:59,376 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 232 [2022-12-13 17:34:59,379 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 49 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:34:59,379 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:34:59,380 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 232 [2022-12-13 17:34:59,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:34:59,468 INFO L130 PetriNetUnfolder]: 145/355 cut-off events. [2022-12-13 17:34:59,468 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 17:34:59,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 355 events. 145/355 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1607 event pairs, 0 based on Foata normal form. 36/348 useless extension candidates. Maximal degree in co-relation 635. Up to 293 conditions per place. [2022-12-13 17:34:59,471 INFO L137 encePairwiseOnDemand]: 220/232 looper letters, 37 selfloop transitions, 2 changer transitions 2/53 dead transitions. [2022-12-13 17:34:59,471 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 53 transitions, 196 flow [2022-12-13 17:34:59,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:34:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:34:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2022-12-13 17:34:59,481 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5732758620689655 [2022-12-13 17:34:59,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 399 transitions. [2022-12-13 17:34:59,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions. [2022-12-13 17:34:59,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:34:59,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions. [2022-12-13 17:34:59,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:34:59,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:34:59,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:34:59,492 INFO L175 Difference]: Start difference. First operand has 42 places, 49 transitions, 106 flow. Second operand 3 states and 399 transitions. [2022-12-13 17:34:59,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 53 transitions, 196 flow [2022-12-13 17:34:59,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 53 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:34:59,497 INFO L231 Difference]: Finished difference. Result has 44 places, 38 transitions, 89 flow [2022-12-13 17:34:59,499 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=89, PETRI_PLACES=44, PETRI_TRANSITIONS=38} [2022-12-13 17:34:59,503 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places. [2022-12-13 17:34:59,503 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 89 flow [2022-12-13 17:34:59,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:34:59,503 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:34:59,504 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2022-12-13 17:34:59,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:34:59,504 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-13 17:34:59,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:34:59,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1891832087, now seen corresponding path program 1 times [2022-12-13 17:34:59,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:34:59,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646059892] [2022-12-13 17:34:59,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:34:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:34:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:34:59,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:34:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:34:59,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:34:59,570 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:34:59,571 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2022-12-13 17:34:59,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-12-13 17:34:59,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2022-12-13 17:34:59,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-12-13 17:34:59,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2022-12-13 17:34:59,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-12-13 17:34:59,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-12-13 17:34:59,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-12-13 17:34:59,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-12-13 17:34:59,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-12-13 17:34:59,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-12-13 17:34:59,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:34:59,574 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 17:34:59,576 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 17:34:59,577 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-13 17:34:59,596 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 17:34:59,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 163 places, 179 transitions, 376 flow [2022-12-13 17:34:59,623 INFO L130 PetriNetUnfolder]: 37/306 cut-off events. [2022-12-13 17:34:59,623 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 17:34:59,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 306 events. 37/306 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1095 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 183. Up to 9 conditions per place. [2022-12-13 17:34:59,625 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 179 transitions, 376 flow [2022-12-13 17:34:59,626 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 179 transitions, 376 flow [2022-12-13 17:34:59,626 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:34:59,626 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 179 transitions, 376 flow [2022-12-13 17:34:59,627 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 179 transitions, 376 flow [2022-12-13 17:34:59,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 163 places, 179 transitions, 376 flow [2022-12-13 17:34:59,649 INFO L130 PetriNetUnfolder]: 37/306 cut-off events. [2022-12-13 17:34:59,649 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 17:34:59,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 306 events. 37/306 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1095 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 183. Up to 9 conditions per place. [2022-12-13 17:34:59,657 INFO L119 LiptonReduction]: Number of co-enabled transitions 14344 [2022-12-13 17:35:01,635 INFO L134 LiptonReduction]: Checked pairs total: 47592 [2022-12-13 17:35:01,635 INFO L136 LiptonReduction]: Total number of compositions: 116 [2022-12-13 17:35:01,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:35:01,637 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;@494473b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:35:01,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-12-13 17:35:01,638 INFO L130 PetriNetUnfolder]: 1/11 cut-off events. [2022-12-13 17:35:01,639 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:35:01,639 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:35:01,639 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:35:01,639 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2022-12-13 17:35:01,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:01,639 INFO L85 PathProgramCache]: Analyzing trace with hash 800973689, now seen corresponding path program 1 times [2022-12-13 17:35:01,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:01,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442822553] [2022-12-13 17:35:01,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:01,671 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 17:35:01,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:01,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442822553] [2022-12-13 17:35:01,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442822553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:01,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:01,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:35:01,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307505144] [2022-12-13 17:35:01,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:01,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:35:01,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:01,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:35:01,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:35:01,679 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 295 [2022-12-13 17:35:01,680 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 84 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:01,680 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:35:01,680 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 295 [2022-12-13 17:35:01,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:35:02,152 INFO L130 PetriNetUnfolder]: 2834/5715 cut-off events. [2022-12-13 17:35:02,152 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-12-13 17:35:02,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10265 conditions, 5715 events. 2834/5715 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 41805 event pairs, 2394 based on Foata normal form. 281/5301 useless extension candidates. Maximal degree in co-relation 6837. Up to 4467 conditions per place. [2022-12-13 17:35:02,172 INFO L137 encePairwiseOnDemand]: 277/295 looper letters, 48 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2022-12-13 17:35:02,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 81 transitions, 280 flow [2022-12-13 17:35:02,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:35:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:35:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2022-12-13 17:35:02,175 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5966101694915255 [2022-12-13 17:35:02,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 528 transitions. [2022-12-13 17:35:02,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 528 transitions. [2022-12-13 17:35:02,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:35:02,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 528 transitions. [2022-12-13 17:35:02,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:02,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:02,181 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:02,181 INFO L175 Difference]: Start difference. First operand has 72 places, 84 transitions, 186 flow. Second operand 3 states and 528 transitions. [2022-12-13 17:35:02,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 81 transitions, 280 flow [2022-12-13 17:35:02,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 81 transitions, 280 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:35:02,184 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 168 flow [2022-12-13 17:35:02,185 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2022-12-13 17:35:02,185 INFO L288 CegarLoopForPetriNet]: 72 programPoint places, 2 predicate places. [2022-12-13 17:35:02,185 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 168 flow [2022-12-13 17:35:02,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:02,185 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:35:02,186 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:35:02,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:35:02,186 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2022-12-13 17:35:02,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:02,186 INFO L85 PathProgramCache]: Analyzing trace with hash 733046804, now seen corresponding path program 1 times [2022-12-13 17:35:02,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:02,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385274211] [2022-12-13 17:35:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:02,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:02,229 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 17:35:02,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:02,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385274211] [2022-12-13 17:35:02,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385274211] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:02,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:02,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:35:02,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692623475] [2022-12-13 17:35:02,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:02,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:35:02,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:02,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:35:02,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:35:02,257 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 295 [2022-12-13 17:35:02,258 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:02,258 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:35:02,258 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 295 [2022-12-13 17:35:02,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:35:03,612 INFO L130 PetriNetUnfolder]: 11519/19926 cut-off events. [2022-12-13 17:35:03,612 INFO L131 PetriNetUnfolder]: For 928/928 co-relation queries the response was YES. [2022-12-13 17:35:03,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39126 conditions, 19926 events. 11519/19926 cut-off events. For 928/928 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 147030 event pairs, 4389 based on Foata normal form. 0/18192 useless extension candidates. Maximal degree in co-relation 39015. Up to 9438 conditions per place. [2022-12-13 17:35:03,730 INFO L137 encePairwiseOnDemand]: 276/295 looper letters, 89 selfloop transitions, 14 changer transitions 0/118 dead transitions. [2022-12-13 17:35:03,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 118 transitions, 488 flow [2022-12-13 17:35:03,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:35:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:35:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2022-12-13 17:35:03,732 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.584180790960452 [2022-12-13 17:35:03,732 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2022-12-13 17:35:03,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2022-12-13 17:35:03,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:35:03,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2022-12-13 17:35:03,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:03,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:03,735 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 295.0) internal successors, (1180), 4 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:03,735 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 168 flow. Second operand 3 states and 517 transitions. [2022-12-13 17:35:03,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 118 transitions, 488 flow [2022-12-13 17:35:03,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 118 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:35:03,738 INFO L231 Difference]: Finished difference. Result has 77 places, 84 transitions, 288 flow [2022-12-13 17:35:03,738 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=77, PETRI_TRANSITIONS=84} [2022-12-13 17:35:03,738 INFO L288 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2022-12-13 17:35:03,738 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 84 transitions, 288 flow [2022-12-13 17:35:03,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:03,739 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:35:03,739 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 17:35:03,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:35:03,739 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 12 more)] === [2022-12-13 17:35:03,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:03,739 INFO L85 PathProgramCache]: Analyzing trace with hash 682143258, now seen corresponding path program 1 times [2022-12-13 17:35:03,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:03,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336761475] [2022-12-13 17:35:03,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:03,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:35:03,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:35:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:35:03,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:35:03,765 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:35:03,765 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 15 remaining) [2022-12-13 17:35:03,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2022-12-13 17:35:03,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2022-12-13 17:35:03,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2022-12-13 17:35:03,767 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2022-12-13 17:35:03,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:35:03,767 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 17:35:03,767 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 17:35:03,767 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-13 17:35:03,790 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 17:35:03,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 225 transitions, 480 flow [2022-12-13 17:35:03,850 INFO L130 PetriNetUnfolder]: 58/476 cut-off events. [2022-12-13 17:35:03,850 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-13 17:35:03,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 476 events. 58/476 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1877 event pairs, 1 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 314. Up to 16 conditions per place. [2022-12-13 17:35:03,852 INFO L82 GeneralOperation]: Start removeDead. Operand has 204 places, 225 transitions, 480 flow [2022-12-13 17:35:03,855 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 225 transitions, 480 flow [2022-12-13 17:35:03,855 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:35:03,855 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 225 transitions, 480 flow [2022-12-13 17:35:03,855 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 225 transitions, 480 flow [2022-12-13 17:35:03,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 204 places, 225 transitions, 480 flow [2022-12-13 17:35:03,892 INFO L130 PetriNetUnfolder]: 58/476 cut-off events. [2022-12-13 17:35:03,892 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-13 17:35:03,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 476 events. 58/476 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1877 event pairs, 1 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 314. Up to 16 conditions per place. [2022-12-13 17:35:03,905 INFO L119 LiptonReduction]: Number of co-enabled transitions 27720 [2022-12-13 17:35:06,018 INFO L134 LiptonReduction]: Checked pairs total: 97549 [2022-12-13 17:35:06,018 INFO L136 LiptonReduction]: Total number of compositions: 134 [2022-12-13 17:35:06,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:35:06,021 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;@494473b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:35:06,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2022-12-13 17:35:06,022 INFO L130 PetriNetUnfolder]: 1/11 cut-off events. [2022-12-13 17:35:06,023 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:35:06,023 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:35:06,023 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:35:06,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 16 more)] === [2022-12-13 17:35:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1187319282, now seen corresponding path program 1 times [2022-12-13 17:35:06,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:06,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074884987] [2022-12-13 17:35:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:06,048 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 17:35:06,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:06,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074884987] [2022-12-13 17:35:06,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074884987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:06,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:06,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:35:06,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775200826] [2022-12-13 17:35:06,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:06,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:35:06,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:06,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:35:06,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:35:06,060 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 359 [2022-12-13 17:35:06,062 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 115 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:06,062 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:35:06,062 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 359 [2022-12-13 17:35:06,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:35:10,932 INFO L130 PetriNetUnfolder]: 48690/78570 cut-off events. [2022-12-13 17:35:10,932 INFO L131 PetriNetUnfolder]: For 1405/1405 co-relation queries the response was YES. [2022-12-13 17:35:11,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147014 conditions, 78570 events. 48690/78570 cut-off events. For 1405/1405 co-relation queries the response was YES. Maximal size of possible extension queue 1915. Compared 670667 event pairs, 43761 based on Foata normal form. 12768/83272 useless extension candidates. Maximal degree in co-relation 70268. Up to 67428 conditions per place. [2022-12-13 17:35:11,235 INFO L137 encePairwiseOnDemand]: 335/359 looper letters, 60 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2022-12-13 17:35:11,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 106 transitions, 366 flow [2022-12-13 17:35:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:35:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:35:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2022-12-13 17:35:11,237 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6128133704735376 [2022-12-13 17:35:11,237 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 660 transitions. [2022-12-13 17:35:11,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 660 transitions. [2022-12-13 17:35:11,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:35:11,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 660 transitions. [2022-12-13 17:35:11,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:11,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:11,240 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:11,240 INFO L175 Difference]: Start difference. First operand has 98 places, 115 transitions, 260 flow. Second operand 3 states and 660 transitions. [2022-12-13 17:35:11,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 106 transitions, 366 flow [2022-12-13 17:35:11,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 106 transitions, 366 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:35:11,244 INFO L231 Difference]: Finished difference. Result has 100 places, 95 transitions, 230 flow [2022-12-13 17:35:11,244 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=100, PETRI_TRANSITIONS=95} [2022-12-13 17:35:11,245 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, 2 predicate places. [2022-12-13 17:35:11,245 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 95 transitions, 230 flow [2022-12-13 17:35:11,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:11,245 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:35:11,245 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:35:11,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 17:35:11,245 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 16 more)] === [2022-12-13 17:35:11,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:11,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1898173094, now seen corresponding path program 1 times [2022-12-13 17:35:11,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:11,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251214469] [2022-12-13 17:35:11,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:11,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:11,266 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 17:35:11,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:11,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251214469] [2022-12-13 17:35:11,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251214469] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:11,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:11,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:35:11,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882292207] [2022-12-13 17:35:11,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:11,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:35:11,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:11,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:35:11,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:35:11,304 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 359 [2022-12-13 17:35:11,306 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 95 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:11,306 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:35:11,306 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 359 [2022-12-13 17:35:11,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:35:32,600 INFO L130 PetriNetUnfolder]: 227966/354059 cut-off events. [2022-12-13 17:35:32,600 INFO L131 PetriNetUnfolder]: For 15753/15753 co-relation queries the response was YES. [2022-12-13 17:35:33,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686950 conditions, 354059 events. 227966/354059 cut-off events. For 15753/15753 co-relation queries the response was YES. Maximal size of possible extension queue 6799. Compared 3258155 event pairs, 93012 based on Foata normal form. 0/320319 useless extension candidates. Maximal degree in co-relation 686843. Up to 163794 conditions per place. [2022-12-13 17:35:34,165 INFO L137 encePairwiseOnDemand]: 332/359 looper letters, 103 selfloop transitions, 20 changer transitions 0/152 dead transitions. [2022-12-13 17:35:34,165 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 152 transitions, 618 flow [2022-12-13 17:35:34,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:35:34,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:35:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2022-12-13 17:35:34,168 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5840297121634169 [2022-12-13 17:35:34,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 629 transitions. [2022-12-13 17:35:34,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 629 transitions. [2022-12-13 17:35:34,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:35:34,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 629 transitions. [2022-12-13 17:35:34,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:34,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:34,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:34,173 INFO L175 Difference]: Start difference. First operand has 100 places, 95 transitions, 230 flow. Second operand 3 states and 629 transitions. [2022-12-13 17:35:34,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 152 transitions, 618 flow [2022-12-13 17:35:34,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 152 transitions, 615 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:35:34,196 INFO L231 Difference]: Finished difference. Result has 103 places, 115 transitions, 402 flow [2022-12-13 17:35:34,196 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=103, PETRI_TRANSITIONS=115} [2022-12-13 17:35:34,197 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, 5 predicate places. [2022-12-13 17:35:34,197 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 115 transitions, 402 flow [2022-12-13 17:35:34,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:34,197 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:35:34,197 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:35:34,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:35:34,198 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 16 more)] === [2022-12-13 17:35:34,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:34,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1039446605, now seen corresponding path program 1 times [2022-12-13 17:35:34,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:34,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076415615] [2022-12-13 17:35:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:34,219 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 17:35:34,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:34,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076415615] [2022-12-13 17:35:34,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076415615] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:34,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:34,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:35:34,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243721953] [2022-12-13 17:35:34,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:34,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:35:34,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:34,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:35:34,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:35:34,254 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 359 [2022-12-13 17:35:34,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 115 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:34,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:35:34,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 359 [2022-12-13 17:35:34,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:35:39,607 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [113#L701-4true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 73#L701-8true, 164#L701-11true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:39,607 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2022-12-13 17:35:39,607 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 17:35:39,607 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 17:35:39,607 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 17:35:39,608 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1101] L701-6-->L701-8: Formula: (= |v_#race~global~0_52| |v_t_funThread3of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread3of3ForFork0_#t~nondet6=|v_t_funThread3of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_52|} AuxVars[] AssignedVars[t_funThread3of3ForFork0_#t~nondet6, #race~global~0][73], [Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 164#L701-11true, Black: 214#(= |#race~global~0| 0), 21#L701-8true, t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true, 212#true]) [2022-12-13 17:35:39,609 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2022-12-13 17:35:39,609 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 17:35:39,609 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 17:35:39,609 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 17:35:40,131 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [113#L701-4true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 101#ULTIMATE.startEXITtrue, 73#L701-8true, 164#L701-11true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:40,131 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,131 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,132 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,132 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,132 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [113#L701-4true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 73#L701-8true, 164#L701-11true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 54#L711-9true, 212#true]) [2022-12-13 17:35:40,132 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,132 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,132 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,132 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,135 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1101] L701-6-->L701-8: Formula: (= |v_#race~global~0_52| |v_t_funThread3of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread3of3ForFork0_#t~nondet6=|v_t_funThread3of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_52|} AuxVars[] AssignedVars[t_funThread3of3ForFork0_#t~nondet6, #race~global~0][73], [Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 101#ULTIMATE.startEXITtrue, 164#L701-11true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 21#L701-8true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true, 212#true]) [2022-12-13 17:35:40,135 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,135 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,135 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,135 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,135 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1101] L701-6-->L701-8: Formula: (= |v_#race~global~0_52| |v_t_funThread3of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread3of3ForFork0_#t~nondet6=|v_t_funThread3of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_52|} AuxVars[] AssignedVars[t_funThread3of3ForFork0_#t~nondet6, #race~global~0][73], [Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 164#L701-11true, Black: 214#(= |#race~global~0| 0), 21#L701-8true, t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true, 54#L711-9true, 212#true]) [2022-12-13 17:35:40,135 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,135 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,135 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:40,135 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 17:35:42,196 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, 3#L709-2true, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true]) [2022-12-13 17:35:42,196 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2022-12-13 17:35:42,196 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 17:35:42,197 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 17:35:42,197 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 17:35:42,767 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1084] L709-2-->L709-4: Formula: (= |v_#race~global~0_46| 0) InVars {#race~global~0=|v_#race~global~0_46|} OutVars{#race~global~0=|v_#race~global~0_46|} AuxVars[] AssignedVars[][22], [214#(= |#race~global~0| 0), 116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 212#true, t_funThread1of3ForFork0InUse, 31#L709-4true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true]) [2022-12-13 17:35:42,767 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is not cut-off event [2022-12-13 17:35:42,767 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2022-12-13 17:35:42,767 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2022-12-13 17:35:42,767 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2022-12-13 17:35:42,768 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, t_funThread1of3ForFork0InUse, Black: 212#true, 31#L709-4true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true]) [2022-12-13 17:35:42,768 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2022-12-13 17:35:42,768 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 17:35:42,768 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 17:35:42,768 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 17:35:43,663 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), 27#L709-6true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true]) [2022-12-13 17:35:43,663 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,664 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,664 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,664 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,877 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 73#L701-8true, 3#L709-2true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:43,877 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,877 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,877 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,877 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,902 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, 3#L709-2true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true, 212#true]) [2022-12-13 17:35:43,902 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,902 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,902 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:43,902 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 17:35:44,518 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, 99#L709-9true, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, 196#L701-4true, t_funThread3of3ForFork0InUse]) [2022-12-13 17:35:44,518 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,518 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,518 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,518 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,606 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 73#L701-8true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 31#L709-4true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:44,606 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,606 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,606 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,606 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,617 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 31#L709-4true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true, 212#true]) [2022-12-13 17:35:44,617 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,617 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,617 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:44,617 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 17:35:45,333 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, 196#L701-4true, t_funThread3of3ForFork0InUse]) [2022-12-13 17:35:45,333 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,333 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,333 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,334 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,354 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [116#L701-16true, 27#L709-6true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 73#L701-8true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:45,354 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,354 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,354 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,354 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,365 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, 27#L709-6true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 196#L701-4true, 212#true]) [2022-12-13 17:35:45,365 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,365 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,365 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,365 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,399 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, 59#L701-10true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:45,399 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,399 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,400 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,400 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,401 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), 9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, t_funThread3of3ForFork0InUse]) [2022-12-13 17:35:45,401 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,401 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,401 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,401 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 17:35:45,967 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 99#L709-9true, 73#L701-8true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:45,967 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,967 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,967 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,967 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,987 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, 101#ULTIMATE.startEXITtrue, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, 196#L701-4true, t_funThread3of3ForFork0InUse]) [2022-12-13 17:35:45,987 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,987 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,987 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,987 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,988 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, 196#L701-4true, t_funThread3of3ForFork0InUse, 54#L711-9true]) [2022-12-13 17:35:45,989 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,989 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,989 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,989 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,992 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, 99#L709-9true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, 196#L701-4true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:45,992 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,992 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,992 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:45,992 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,058 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, 101#ULTIMATE.startEXITtrue, 59#L701-10true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:46,059 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,059 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,059 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,059 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,060 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), 9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 101#ULTIMATE.startEXITtrue, 124#L701-17true, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse]) [2022-12-13 17:35:46,060 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,060 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,060 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,060 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,061 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, 59#L701-10true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 54#L711-9true, 212#true]) [2022-12-13 17:35:46,061 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,061 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,061 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,061 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,062 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1005] L701-16-->L701-17: Formula: (= |v_#race~global~0_10| 0) InVars {} OutVars{#race~global~0=|v_#race~global~0_10|} AuxVars[] AssignedVars[#race~global~0][125], [214#(= |#race~global~0| 0), 9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 124#L701-17true, t_funThread1of3ForFork0InUse, Black: 212#true, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 54#L711-9true]) [2022-12-13 17:35:46,063 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,063 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,063 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,063 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,065 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, 85#L701-27true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:46,065 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,065 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,065 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,065 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 17:35:46,583 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 73#L701-8true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 191#L701-18true, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:46,583 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,583 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,583 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,583 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,630 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, 196#L701-4true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:46,630 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,630 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,630 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,630 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,705 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 101#ULTIMATE.startEXITtrue, 147#L701-22true, 85#L701-27true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:46,705 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,705 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,705 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,705 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,707 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, 85#L701-27true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 54#L711-9true, 212#true]) [2022-12-13 17:35:46,707 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,707 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,707 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,707 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,712 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, 9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 48#L711-14true, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:46,712 INFO L383 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,712 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,712 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:46,712 INFO L386 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-13 17:35:47,370 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 101#ULTIMATE.startEXITtrue, 73#L701-8true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:47,370 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,370 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,370 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,370 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,378 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1121] L701-6-->L701-8: Formula: (= |v_#race~global~0_60| |v_t_funThread2of3ForFork0_#t~nondet6_15|) InVars {} OutVars{t_funThread2of3ForFork0_#t~nondet6=|v_t_funThread2of3ForFork0_#t~nondet6_15|, #race~global~0=|v_#race~global~0_60|} AuxVars[] AssignedVars[t_funThread2of3ForFork0_#t~nondet6, #race~global~0][49], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 73#L701-8true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, 191#L701-18true, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 54#L711-9true, 212#true]) [2022-12-13 17:35:47,378 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,378 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,378 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,378 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,435 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 101#ULTIMATE.startEXITtrue, 147#L701-22true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, 196#L701-4true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:47,435 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,435 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,435 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,435 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,436 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, 196#L701-4true, t_funThread3of3ForFork0InUse, 54#L711-9true, 212#true]) [2022-12-13 17:35:47,436 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,437 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,437 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,437 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,513 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, 9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, 101#ULTIMATE.startEXITtrue, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 212#true]) [2022-12-13 17:35:47,513 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,513 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,513 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,513 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,516 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1119] L701-20-->L701-22: Formula: (= |v_#race~global~0_58| |v_t_funThread1of3ForFork0_#t~nondet9_15|) InVars {} OutVars{t_funThread1of3ForFork0_#t~nondet9=|v_t_funThread1of3ForFork0_#t~nondet9_15|, #race~global~0=|v_#race~global~0_58|} AuxVars[] AssignedVars[t_funThread1of3ForFork0_#t~nondet9, #race~global~0][77], [116#L701-16true, 9#t_funErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 209#(= |ULTIMATE.start_main_~i~0#1| 0), 147#L701-22true, Black: 214#(= |#race~global~0| 0), t_funThread1of3ForFork0InUse, t_funThread2of3ForFork0InUse, 218#true, t_funThread3of3ForFork0InUse, 54#L711-9true, 212#true]) [2022-12-13 17:35:47,516 INFO L383 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,516 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,516 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:47,516 INFO L386 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-13 17:35:54,419 INFO L130 PetriNetUnfolder]: 197673/312828 cut-off events. [2022-12-13 17:35:54,419 INFO L131 PetriNetUnfolder]: For 199670/207359 co-relation queries the response was YES. [2022-12-13 17:35:55,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769827 conditions, 312828 events. 197673/312828 cut-off events. For 199670/207359 co-relation queries the response was YES. Maximal size of possible extension queue 6933. Compared 2974410 event pairs, 134850 based on Foata normal form. 338/275576 useless extension candidates. Maximal degree in co-relation 168792. Up to 255436 conditions per place. [2022-12-13 17:35:56,126 INFO L137 encePairwiseOnDemand]: 347/359 looper letters, 97 selfloop transitions, 21 changer transitions 0/165 dead transitions. [2022-12-13 17:35:56,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 165 transitions, 822 flow [2022-12-13 17:35:56,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:35:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:35:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2022-12-13 17:35:56,129 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5793871866295265 [2022-12-13 17:35:56,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2022-12-13 17:35:56,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2022-12-13 17:35:56,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:35:56,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2022-12-13 17:35:56,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:56,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:56,133 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 359.0) internal successors, (1436), 4 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:56,133 INFO L175 Difference]: Start difference. First operand has 103 places, 115 transitions, 402 flow. Second operand 3 states and 624 transitions. [2022-12-13 17:35:56,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 165 transitions, 822 flow [2022-12-13 17:35:56,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 165 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 17:35:56,378 INFO L231 Difference]: Finished difference. Result has 104 places, 134 transitions, 539 flow [2022-12-13 17:35:56,378 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=359, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=539, PETRI_PLACES=104, PETRI_TRANSITIONS=134} [2022-12-13 17:35:56,378 INFO L288 CegarLoopForPetriNet]: 98 programPoint places, 6 predicate places. [2022-12-13 17:35:56,378 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 134 transitions, 539 flow [2022-12-13 17:35:56,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:56,379 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:35:56,379 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-12-13 17:35:56,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:35:56,379 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 16 more)] === [2022-12-13 17:35:56,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:56,379 INFO L85 PathProgramCache]: Analyzing trace with hash -766323143, now seen corresponding path program 1 times [2022-12-13 17:35:56,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:56,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512409676] [2022-12-13 17:35:56,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:56,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:35:56,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:35:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:35:56,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:35:56,411 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:35:56,411 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2022-12-13 17:35:56,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining) [2022-12-13 17:35:56,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining) [2022-12-13 17:35:56,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (14 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (13 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining) [2022-12-13 17:35:56,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining) [2022-12-13 17:35:56,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:35:56,413 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 17:35:56,413 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 17:35:56,413 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-12-13 17:35:56,433 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-13 17:35:56,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 271 transitions, 586 flow [2022-12-13 17:35:56,512 INFO L130 PetriNetUnfolder]: 91/738 cut-off events. [2022-12-13 17:35:56,512 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-13 17:35:56,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 793 conditions, 738 events. 91/738 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3249 event pairs, 6 based on Foata normal form. 0/610 useless extension candidates. Maximal degree in co-relation 496. Up to 32 conditions per place. [2022-12-13 17:35:56,517 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 271 transitions, 586 flow [2022-12-13 17:35:56,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 271 transitions, 586 flow [2022-12-13 17:35:56,520 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:35:56,520 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 271 transitions, 586 flow [2022-12-13 17:35:56,520 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 271 transitions, 586 flow [2022-12-13 17:35:56,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 271 transitions, 586 flow [2022-12-13 17:35:56,593 INFO L130 PetriNetUnfolder]: 91/738 cut-off events. [2022-12-13 17:35:56,593 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-13 17:35:56,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 793 conditions, 738 events. 91/738 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3249 event pairs, 6 based on Foata normal form. 0/610 useless extension candidates. Maximal degree in co-relation 496. Up to 32 conditions per place. [2022-12-13 17:35:56,617 INFO L119 LiptonReduction]: Number of co-enabled transitions 45232 [2022-12-13 17:35:58,672 INFO L134 LiptonReduction]: Checked pairs total: 198465 [2022-12-13 17:35:58,672 INFO L136 LiptonReduction]: Total number of compositions: 153 [2022-12-13 17:35:58,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:35:58,674 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;@494473b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:35:58,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2022-12-13 17:35:58,675 INFO L130 PetriNetUnfolder]: 1/12 cut-off events. [2022-12-13 17:35:58,675 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:35:58,675 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:35:58,675 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:35:58,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 20 more)] === [2022-12-13 17:35:58,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:35:58,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1635693490, now seen corresponding path program 1 times [2022-12-13 17:35:58,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:35:58,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462989003] [2022-12-13 17:35:58,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:35:58,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:35:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:35:58,692 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 17:35:58,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:35:58,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462989003] [2022-12-13 17:35:58,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462989003] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:35:58,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:35:58,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:35:58,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006532997] [2022-12-13 17:35:58,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:35:58,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:35:58,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:35:58,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:35:58,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:35:58,701 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 424 [2022-12-13 17:35:58,701 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 146 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:35:58,701 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:35:58,701 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 424 [2022-12-13 17:35:58,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:37:17,116 INFO L130 PetriNetUnfolder]: 740884/1107847 cut-off events. [2022-12-13 17:37:17,116 INFO L131 PetriNetUnfolder]: For 25500/25500 co-relation queries the response was YES. [2022-12-13 17:37:19,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2076564 conditions, 1107847 events. 740884/1107847 cut-off events. For 25500/25500 co-relation queries the response was YES. Maximal size of possible extension queue 19896. Compared 11084213 event pairs, 704131 based on Foata normal form. 164729/1176667 useless extension candidates. Maximal degree in co-relation 486964. Up to 954113 conditions per place. [2022-12-13 17:37:24,109 INFO L137 encePairwiseOnDemand]: 394/424 looper letters, 72 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2022-12-13 17:37:24,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 131 transitions, 454 flow [2022-12-13 17:37:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:37:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:37:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2022-12-13 17:37:24,112 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6226415094339622 [2022-12-13 17:37:24,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 792 transitions. [2022-12-13 17:37:24,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 792 transitions. [2022-12-13 17:37:24,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:37:24,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 792 transitions. [2022-12-13 17:37:24,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:37:24,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:37:24,116 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:37:24,116 INFO L175 Difference]: Start difference. First operand has 124 places, 146 transitions, 336 flow. Second operand 3 states and 792 transitions. [2022-12-13 17:37:24,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 131 transitions, 454 flow [2022-12-13 17:37:24,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 131 transitions, 454 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:37:24,134 INFO L231 Difference]: Finished difference. Result has 126 places, 120 transitions, 294 flow [2022-12-13 17:37:24,134 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=126, PETRI_TRANSITIONS=120} [2022-12-13 17:37:24,135 INFO L288 CegarLoopForPetriNet]: 124 programPoint places, 2 predicate places. [2022-12-13 17:37:24,135 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 120 transitions, 294 flow [2022-12-13 17:37:24,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:37:24,135 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:37:24,136 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:37:24,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 17:37:24,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 20 more)] === [2022-12-13 17:37:24,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:37:24,136 INFO L85 PathProgramCache]: Analyzing trace with hash 863022146, now seen corresponding path program 1 times [2022-12-13 17:37:24,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:37:24,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333660879] [2022-12-13 17:37:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:37:24,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:37:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:37:24,154 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 17:37:24,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:37:24,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333660879] [2022-12-13 17:37:24,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333660879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:37:24,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:37:24,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:37:24,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579221289] [2022-12-13 17:37:24,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:37:24,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:37:24,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:37:24,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:37:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:37:24,200 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 424 [2022-12-13 17:37:24,201 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 120 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:37:24,201 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:37:24,201 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 424 [2022-12-13 17:37:24,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand