./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS --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 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 --- 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-4e7fbc6 [2022-11-23 04:03:13,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:03:13,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:03:13,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:03:13,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:03:13,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:03:13,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:03:13,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:03:13,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:03:13,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:03:13,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:03:13,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:03:13,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:03:13,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:03:13,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:03:13,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:03:13,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:03:13,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:03:13,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:03:13,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:03:13,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:03:13,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:03:13,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:03:13,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:03:13,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:03:13,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:03:13,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:03:13,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:03:13,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:03:13,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:03:13,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:03:13,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:03:13,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:03:13,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:03:13,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:03:13,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:03:13,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:03:13,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:03:13,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:03:13,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:03:13,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:03:13,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 04:03:13,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:03:13,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:03:13,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:03:13,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:03:13,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:03:13,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:03:13,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:03:13,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:03:13,734 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:03:13,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:03:13,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 04:03:13,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 04:03:13,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:03:13,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 04:03:13,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:03:13,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:03:13,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:03:13,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:03:13,738 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 04:03:13,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 04:03:13,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:03:13,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:03:13,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:03:13,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:03:13,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:03:13,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:03:13,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:03:13,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:03:13,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:03:13,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:03:13,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:03:13,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:03:13,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:03:13,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:03:13,743 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:03:13,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:03:13,744 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_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 [2022-11-23 04:03:14,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:03:14,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:03:14,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:03:14,171 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:03:14,172 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:03:14,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-11-23 04:03:17,868 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:03:18,278 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:03:18,279 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-11-23 04:03:18,299 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/data/31b72fa3b/4b9fa2a90b374280b29d4987c183cd4d/FLAGd37448bc3 [2022-11-23 04:03:18,332 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/data/31b72fa3b/4b9fa2a90b374280b29d4987c183cd4d [2022-11-23 04:03:18,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:03:18,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:03:18,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:03:18,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:03:18,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:03:18,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:03:18" (1/1) ... [2022-11-23 04:03:18,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4de81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:18, skipping insertion in model container [2022-11-23 04:03:18,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:03:18" (1/1) ... [2022-11-23 04:03:18,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:03:18,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:03:18,602 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_d15436e2-901c-462a-be73-7e3ebc67a174/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-11-23 04:03:18,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:03:18,895 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:03:18,917 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_d15436e2-901c-462a-be73-7e3ebc67a174/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-11-23 04:03:19,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:03:19,063 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:03:19,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19 WrapperNode [2022-11-23 04:03:19,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:03:19,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:03:19,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:03:19,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:03:19,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,153 INFO L138 Inliner]: procedures = 163, calls = 52, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 122 [2022-11-23 04:03:19,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:03:19,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:03:19,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:03:19,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:03:19,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,204 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:03:19,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:03:19,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:03:19,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:03:19,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (1/1) ... [2022-11-23 04:03:19,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:03:19,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:03:19,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:03:19,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:03:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 04:03:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-23 04:03:19,338 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-23 04:03:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 04:03:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 04:03:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:03:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 04:03:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 04:03:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 04:03:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 04:03:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:03:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:03:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:03:19,341 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 04:03:19,593 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:03:19,595 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:03:20,244 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:03:20,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:03:20,259 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 04:03:20,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:03:20 BoogieIcfgContainer [2022-11-23 04:03:20,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:03:20,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:03:20,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:03:20,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:03:20,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:03:18" (1/3) ... [2022-11-23 04:03:20,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1684d623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:03:20, skipping insertion in model container [2022-11-23 04:03:20,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:19" (2/3) ... [2022-11-23 04:03:20,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1684d623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:03:20, skipping insertion in model container [2022-11-23 04:03:20,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:03:20" (3/3) ... [2022-11-23 04:03:20,284 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2022-11-23 04:03:20,296 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 04:03:20,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:03:20,310 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-23 04:03:20,312 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 04:03:20,505 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 04:03:20,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 211 transitions, 438 flow [2022-11-23 04:03:20,812 INFO L130 PetriNetUnfolder]: 4/209 cut-off events. [2022-11-23 04:03:20,812 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 04:03:20,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 209 events. 4/209 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 252 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2022-11-23 04:03:20,823 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 211 transitions, 438 flow [2022-11-23 04:03:20,843 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 199 transitions, 407 flow [2022-11-23 04:03:20,849 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 04:03:20,884 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 199 transitions, 407 flow [2022-11-23 04:03:20,906 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 199 transitions, 407 flow [2022-11-23 04:03:20,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 202 places, 199 transitions, 407 flow [2022-11-23 04:03:20,974 INFO L130 PetriNetUnfolder]: 4/199 cut-off events. [2022-11-23 04:03:20,974 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 04:03:20,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 199 events. 4/199 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 252 event pairs, 0 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2022-11-23 04:03:20,987 INFO L119 LiptonReduction]: Number of co-enabled transitions 13532 [2022-11-23 04:03:29,717 INFO L134 LiptonReduction]: Checked pairs total: 67063 [2022-11-23 04:03:29,718 INFO L136 LiptonReduction]: Total number of compositions: 185 [2022-11-23 04:03:29,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:03:29,761 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;@65820935, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:03:29,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-23 04:03:29,778 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-11-23 04:03:29,779 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:03:29,779 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:29,781 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-23 04:03:29,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:29,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:29,791 INFO L85 PathProgramCache]: Analyzing trace with hash 703613, now seen corresponding path program 1 times [2022-11-23 04:03:29,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:29,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368250520] [2022-11-23 04:03:29,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:30,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:30,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368250520] [2022-11-23 04:03:30,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368250520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:30,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:30,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 04:03:30,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243671868] [2022-11-23 04:03:30,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:30,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 04:03:30,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:30,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 04:03:30,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 04:03:30,174 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 396 [2022-11-23 04:03:30,183 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 77 transitions, 163 flow. Second operand has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:30,183 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:30,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 396 [2022-11-23 04:03:30,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:32,546 INFO L130 PetriNetUnfolder]: 6432/11525 cut-off events. [2022-11-23 04:03:32,546 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-11-23 04:03:32,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21604 conditions, 11525 events. 6432/11525 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 77989 event pairs, 6432 based on Foata normal form. 494/11637 useless extension candidates. Maximal degree in co-relation 21481. Up to 10035 conditions per place. [2022-11-23 04:03:32,654 INFO L137 encePairwiseOnDemand]: 387/396 looper letters, 50 selfloop transitions, 0 changer transitions 0/68 dead transitions. [2022-11-23 04:03:32,655 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 68 transitions, 245 flow [2022-11-23 04:03:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 04:03:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 04:03:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 457 transitions. [2022-11-23 04:03:32,689 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.577020202020202 [2022-11-23 04:03:32,690 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 457 transitions. [2022-11-23 04:03:32,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 457 transitions. [2022-11-23 04:03:32,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:32,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 457 transitions. [2022-11-23 04:03:32,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:32,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:32,722 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 396.0) internal successors, (1188), 3 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:32,725 INFO L175 Difference]: Start difference. First operand has 80 places, 77 transitions, 163 flow. Second operand 2 states and 457 transitions. [2022-11-23 04:03:32,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 68 transitions, 245 flow [2022-11-23 04:03:32,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 68 transitions, 240 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-23 04:03:32,745 INFO L231 Difference]: Finished difference. Result has 73 places, 68 transitions, 140 flow [2022-11-23 04:03:32,748 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=73, PETRI_TRANSITIONS=68} [2022-11-23 04:03:32,753 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, -7 predicate places. [2022-11-23 04:03:32,754 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 68 transitions, 140 flow [2022-11-23 04:03:32,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:32,755 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:32,755 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:32,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 04:03:32,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:32,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:32,771 INFO L85 PathProgramCache]: Analyzing trace with hash -493836153, now seen corresponding path program 1 times [2022-11-23 04:03:32,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:32,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550986287] [2022-11-23 04:03:32,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:32,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:32,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:32,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:32,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550986287] [2022-11-23 04:03:32,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550986287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:32,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:32,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:03:32,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057768286] [2022-11-23 04:03:32,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:32,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:03:32,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:32,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:03:32,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:03:33,012 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 396 [2022-11-23 04:03:33,014 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 68 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:33,014 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:33,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 396 [2022-11-23 04:03:33,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:35,012 INFO L130 PetriNetUnfolder]: 9156/15587 cut-off events. [2022-11-23 04:03:35,013 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 04:03:35,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29835 conditions, 15587 events. 9156/15587 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 104262 event pairs, 7482 based on Foata normal form. 0/14847 useless extension candidates. Maximal degree in co-relation 29832. Up to 12292 conditions per place. [2022-11-23 04:03:35,106 INFO L137 encePairwiseOnDemand]: 389/396 looper letters, 86 selfloop transitions, 6 changer transitions 0/106 dead transitions. [2022-11-23 04:03:35,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 106 transitions, 402 flow [2022-11-23 04:03:35,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:03:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:03:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2022-11-23 04:03:35,109 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.553030303030303 [2022-11-23 04:03:35,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2022-11-23 04:03:35,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2022-11-23 04:03:35,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:35,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2022-11-23 04:03:35,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:35,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:35,119 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:35,119 INFO L175 Difference]: Start difference. First operand has 73 places, 68 transitions, 140 flow. Second operand 3 states and 657 transitions. [2022-11-23 04:03:35,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 106 transitions, 402 flow [2022-11-23 04:03:35,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 106 transitions, 402 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 04:03:35,124 INFO L231 Difference]: Finished difference. Result has 77 places, 73 transitions, 186 flow [2022-11-23 04:03:35,125 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=77, PETRI_TRANSITIONS=73} [2022-11-23 04:03:35,126 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, -3 predicate places. [2022-11-23 04:03:35,127 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 73 transitions, 186 flow [2022-11-23 04:03:35,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:35,128 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:35,128 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:35,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 04:03:35,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:35,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:35,129 INFO L85 PathProgramCache]: Analyzing trace with hash 878229845, now seen corresponding path program 1 times [2022-11-23 04:03:35,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:35,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989791462] [2022-11-23 04:03:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:35,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:35,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989791462] [2022-11-23 04:03:35,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989791462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:35,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:35,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:03:35,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848967835] [2022-11-23 04:03:35,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:35,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:03:35,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:35,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:03:35,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:03:35,309 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 396 [2022-11-23 04:03:35,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 73 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:35,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:35,311 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 396 [2022-11-23 04:03:35,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:38,421 INFO L130 PetriNetUnfolder]: 12488/21081 cut-off events. [2022-11-23 04:03:38,422 INFO L131 PetriNetUnfolder]: For 4224/4445 co-relation queries the response was YES. [2022-11-23 04:03:38,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44835 conditions, 21081 events. 12488/21081 cut-off events. For 4224/4445 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 148681 event pairs, 3391 based on Foata normal form. 0/20235 useless extension candidates. Maximal degree in co-relation 44830. Up to 13031 conditions per place. [2022-11-23 04:03:38,594 INFO L137 encePairwiseOnDemand]: 383/396 looper letters, 97 selfloop transitions, 13 changer transitions 0/122 dead transitions. [2022-11-23 04:03:38,595 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 122 transitions, 527 flow [2022-11-23 04:03:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:03:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:03:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 652 transitions. [2022-11-23 04:03:38,599 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5488215488215489 [2022-11-23 04:03:38,599 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 652 transitions. [2022-11-23 04:03:38,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 652 transitions. [2022-11-23 04:03:38,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:38,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 652 transitions. [2022-11-23 04:03:38,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:38,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:38,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:38,609 INFO L175 Difference]: Start difference. First operand has 77 places, 73 transitions, 186 flow. Second operand 3 states and 652 transitions. [2022-11-23 04:03:38,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 122 transitions, 527 flow [2022-11-23 04:03:38,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 122 transitions, 509 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 04:03:38,658 INFO L231 Difference]: Finished difference. Result has 79 places, 83 transitions, 282 flow [2022-11-23 04:03:38,659 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=79, PETRI_TRANSITIONS=83} [2022-11-23 04:03:38,661 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, -1 predicate places. [2022-11-23 04:03:38,661 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 83 transitions, 282 flow [2022-11-23 04:03:38,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:38,662 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:38,662 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:38,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 04:03:38,663 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:38,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:38,664 INFO L85 PathProgramCache]: Analyzing trace with hash 390607852, now seen corresponding path program 1 times [2022-11-23 04:03:38,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:38,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802557499] [2022-11-23 04:03:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:38,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:38,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:38,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802557499] [2022-11-23 04:03:38,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802557499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:38,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:38,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:03:38,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827901191] [2022-11-23 04:03:38,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:38,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:03:38,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:38,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:03:38,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:03:38,813 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 396 [2022-11-23 04:03:38,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 83 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:38,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:38,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 396 [2022-11-23 04:03:38,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:42,260 INFO L130 PetriNetUnfolder]: 13628/23166 cut-off events. [2022-11-23 04:03:42,261 INFO L131 PetriNetUnfolder]: For 9327/9938 co-relation queries the response was YES. [2022-11-23 04:03:42,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52471 conditions, 23166 events. 13628/23166 cut-off events. For 9327/9938 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 164129 event pairs, 10701 based on Foata normal form. 29/22125 useless extension candidates. Maximal degree in co-relation 52465. Up to 19759 conditions per place. [2022-11-23 04:03:42,575 INFO L137 encePairwiseOnDemand]: 392/396 looper letters, 102 selfloop transitions, 3 changer transitions 0/127 dead transitions. [2022-11-23 04:03:42,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 127 transitions, 639 flow [2022-11-23 04:03:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:03:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:03:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2022-11-23 04:03:42,581 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-11-23 04:03:42,581 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 660 transitions. [2022-11-23 04:03:42,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 660 transitions. [2022-11-23 04:03:42,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:42,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 660 transitions. [2022-11-23 04:03:42,593 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) [2022-11-23 04:03:42,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:42,597 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:42,598 INFO L175 Difference]: Start difference. First operand has 79 places, 83 transitions, 282 flow. Second operand 3 states and 660 transitions. [2022-11-23 04:03:42,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 127 transitions, 639 flow [2022-11-23 04:03:42,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 127 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 04:03:42,637 INFO L231 Difference]: Finished difference. Result has 80 places, 85 transitions, 275 flow [2022-11-23 04:03:42,638 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=80, PETRI_TRANSITIONS=85} [2022-11-23 04:03:42,641 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 0 predicate places. [2022-11-23 04:03:42,642 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 85 transitions, 275 flow [2022-11-23 04:03:42,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:42,643 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:42,643 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:42,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 04:03:42,643 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:42,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:42,644 INFO L85 PathProgramCache]: Analyzing trace with hash -928901464, now seen corresponding path program 1 times [2022-11-23 04:03:42,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:42,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131344296] [2022-11-23 04:03:42,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:42,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:42,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:42,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131344296] [2022-11-23 04:03:42,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131344296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:42,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:42,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 04:03:42,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012344169] [2022-11-23 04:03:42,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:42,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 04:03:42,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:42,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 04:03:42,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 04:03:43,099 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 396 [2022-11-23 04:03:43,101 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 85 transitions, 275 flow. Second operand has 4 states, 4 states have (on average 193.5) internal successors, (774), 4 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:43,101 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:43,101 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 396 [2022-11-23 04:03:43,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:44,433 INFO L130 PetriNetUnfolder]: 5916/10661 cut-off events. [2022-11-23 04:03:44,434 INFO L131 PetriNetUnfolder]: For 3111/3534 co-relation queries the response was YES. [2022-11-23 04:03:44,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24389 conditions, 10661 events. 5916/10661 cut-off events. For 3111/3534 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 73250 event pairs, 1943 based on Foata normal form. 332/10386 useless extension candidates. Maximal degree in co-relation 24382. Up to 5949 conditions per place. [2022-11-23 04:03:44,519 INFO L137 encePairwiseOnDemand]: 389/396 looper letters, 105 selfloop transitions, 7 changer transitions 0/137 dead transitions. [2022-11-23 04:03:44,519 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 137 transitions, 647 flow [2022-11-23 04:03:44,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:03:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-23 04:03:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 862 transitions. [2022-11-23 04:03:44,523 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5441919191919192 [2022-11-23 04:03:44,524 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 862 transitions. [2022-11-23 04:03:44,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 862 transitions. [2022-11-23 04:03:44,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:44,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 862 transitions. [2022-11-23 04:03:44,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:44,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 396.0) internal successors, (1980), 5 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:44,534 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 396.0) internal successors, (1980), 5 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:44,535 INFO L175 Difference]: Start difference. First operand has 80 places, 85 transitions, 275 flow. Second operand 4 states and 862 transitions. [2022-11-23 04:03:44,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 137 transitions, 647 flow [2022-11-23 04:03:44,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 137 transitions, 642 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 04:03:44,541 INFO L231 Difference]: Finished difference. Result has 83 places, 89 transitions, 308 flow [2022-11-23 04:03:44,542 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=308, PETRI_PLACES=83, PETRI_TRANSITIONS=89} [2022-11-23 04:03:44,542 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 3 predicate places. [2022-11-23 04:03:44,543 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 89 transitions, 308 flow [2022-11-23 04:03:44,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.5) internal successors, (774), 4 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:44,552 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:44,552 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:44,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 04:03:44,553 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash 20564530, now seen corresponding path program 1 times [2022-11-23 04:03:44,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:44,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812250039] [2022-11-23 04:03:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:44,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:44,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:44,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812250039] [2022-11-23 04:03:44,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812250039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:44,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:44,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:03:44,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122025897] [2022-11-23 04:03:44,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:44,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:03:44,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:44,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:03:44,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:03:44,659 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 396 [2022-11-23 04:03:44,660 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 89 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:44,660 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:44,660 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 396 [2022-11-23 04:03:44,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:46,015 INFO L130 PetriNetUnfolder]: 6938/11880 cut-off events. [2022-11-23 04:03:46,015 INFO L131 PetriNetUnfolder]: For 4027/4413 co-relation queries the response was YES. [2022-11-23 04:03:46,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29513 conditions, 11880 events. 6938/11880 cut-off events. For 4027/4413 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 77597 event pairs, 4755 based on Foata normal form. 0/11158 useless extension candidates. Maximal degree in co-relation 29505. Up to 9881 conditions per place. [2022-11-23 04:03:46,113 INFO L137 encePairwiseOnDemand]: 389/396 looper letters, 111 selfloop transitions, 8 changer transitions 0/135 dead transitions. [2022-11-23 04:03:46,113 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 135 transitions, 691 flow [2022-11-23 04:03:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:03:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:03:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2022-11-23 04:03:46,117 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.553030303030303 [2022-11-23 04:03:46,117 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2022-11-23 04:03:46,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2022-11-23 04:03:46,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:46,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2022-11-23 04:03:46,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:46,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:46,126 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:46,127 INFO L175 Difference]: Start difference. First operand has 83 places, 89 transitions, 308 flow. Second operand 3 states and 657 transitions. [2022-11-23 04:03:46,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 135 transitions, 691 flow [2022-11-23 04:03:46,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 135 transitions, 690 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 04:03:46,135 INFO L231 Difference]: Finished difference. Result has 86 places, 96 transitions, 389 flow [2022-11-23 04:03:46,135 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=86, PETRI_TRANSITIONS=96} [2022-11-23 04:03:46,136 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 6 predicate places. [2022-11-23 04:03:46,136 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 96 transitions, 389 flow [2022-11-23 04:03:46,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:46,137 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:46,138 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:46,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 04:03:46,138 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:46,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:46,139 INFO L85 PathProgramCache]: Analyzing trace with hash 233687100, now seen corresponding path program 1 times [2022-11-23 04:03:46,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:46,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092879517] [2022-11-23 04:03:46,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:46,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:46,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:46,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092879517] [2022-11-23 04:03:46,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092879517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:46,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:46,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:03:46,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119046728] [2022-11-23 04:03:46,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:46,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:03:46,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:46,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:03:46,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:03:46,221 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 396 [2022-11-23 04:03:46,222 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 96 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:46,223 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:46,223 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 396 [2022-11-23 04:03:46,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:48,071 INFO L130 PetriNetUnfolder]: 8030/13800 cut-off events. [2022-11-23 04:03:48,071 INFO L131 PetriNetUnfolder]: For 8123/8665 co-relation queries the response was YES. [2022-11-23 04:03:48,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36179 conditions, 13800 events. 8030/13800 cut-off events. For 8123/8665 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 92875 event pairs, 5236 based on Foata normal form. 8/12822 useless extension candidates. Maximal degree in co-relation 36170. Up to 11449 conditions per place. [2022-11-23 04:03:48,176 INFO L137 encePairwiseOnDemand]: 391/396 looper letters, 108 selfloop transitions, 4 changer transitions 2/141 dead transitions. [2022-11-23 04:03:48,176 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 141 transitions, 774 flow [2022-11-23 04:03:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:03:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:03:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 661 transitions. [2022-11-23 04:03:48,180 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5563973063973064 [2022-11-23 04:03:48,181 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 661 transitions. [2022-11-23 04:03:48,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 661 transitions. [2022-11-23 04:03:48,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:48,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 661 transitions. [2022-11-23 04:03:48,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:48,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:48,191 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:48,191 INFO L175 Difference]: Start difference. First operand has 86 places, 96 transitions, 389 flow. Second operand 3 states and 661 transitions. [2022-11-23 04:03:48,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 141 transitions, 774 flow [2022-11-23 04:03:48,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 141 transitions, 742 flow, removed 5 selfloop flow, removed 2 redundant places. [2022-11-23 04:03:48,216 INFO L231 Difference]: Finished difference. Result has 88 places, 99 transitions, 395 flow [2022-11-23 04:03:48,216 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=395, PETRI_PLACES=88, PETRI_TRANSITIONS=99} [2022-11-23 04:03:48,217 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 8 predicate places. [2022-11-23 04:03:48,217 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 99 transitions, 395 flow [2022-11-23 04:03:48,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:48,218 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:48,219 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:48,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 04:03:48,219 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:48,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:48,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1199412357, now seen corresponding path program 1 times [2022-11-23 04:03:48,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:48,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548129722] [2022-11-23 04:03:48,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:48,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:48,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:48,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548129722] [2022-11-23 04:03:48,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548129722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:48,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:48,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:03:48,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633306328] [2022-11-23 04:03:48,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:48,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:03:48,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:48,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:03:48,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:03:48,302 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 396 [2022-11-23 04:03:48,303 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 99 transitions, 395 flow. Second operand has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:48,303 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:48,304 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 396 [2022-11-23 04:03:48,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:50,407 INFO L130 PetriNetUnfolder]: 10541/18063 cut-off events. [2022-11-23 04:03:50,408 INFO L131 PetriNetUnfolder]: For 11087/12095 co-relation queries the response was YES. [2022-11-23 04:03:50,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49287 conditions, 18063 events. 10541/18063 cut-off events. For 11087/12095 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 129421 event pairs, 4166 based on Foata normal form. 29/17081 useless extension candidates. Maximal degree in co-relation 49277. Up to 11147 conditions per place. [2022-11-23 04:03:50,715 INFO L137 encePairwiseOnDemand]: 389/396 looper letters, 117 selfloop transitions, 8 changer transitions 2/153 dead transitions. [2022-11-23 04:03:50,715 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 153 transitions, 833 flow [2022-11-23 04:03:50,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:03:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:03:50,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 664 transitions. [2022-11-23 04:03:50,719 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5589225589225589 [2022-11-23 04:03:50,719 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 664 transitions. [2022-11-23 04:03:50,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 664 transitions. [2022-11-23 04:03:50,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:50,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 664 transitions. [2022-11-23 04:03:50,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:50,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:50,727 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:50,728 INFO L175 Difference]: Start difference. First operand has 88 places, 99 transitions, 395 flow. Second operand 3 states and 664 transitions. [2022-11-23 04:03:50,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 153 transitions, 833 flow [2022-11-23 04:03:50,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 153 transitions, 821 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-23 04:03:50,754 INFO L231 Difference]: Finished difference. Result has 90 places, 103 transitions, 439 flow [2022-11-23 04:03:50,754 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=439, PETRI_PLACES=90, PETRI_TRANSITIONS=103} [2022-11-23 04:03:50,755 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 10 predicate places. [2022-11-23 04:03:50,755 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 103 transitions, 439 flow [2022-11-23 04:03:50,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:50,756 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:50,756 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:50,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 04:03:50,757 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:50,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:50,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1769232827, now seen corresponding path program 1 times [2022-11-23 04:03:50,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:50,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780670049] [2022-11-23 04:03:50,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:51,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:51,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780670049] [2022-11-23 04:03:51,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780670049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:51,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:51,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 04:03:51,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194259558] [2022-11-23 04:03:51,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:51,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:03:51,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:51,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:03:51,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:03:51,103 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 396 [2022-11-23 04:03:51,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 103 transitions, 439 flow. Second operand has 5 states, 5 states have (on average 181.2) internal successors, (906), 5 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:51,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:51,105 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 396 [2022-11-23 04:03:51,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:52,380 INFO L130 PetriNetUnfolder]: 4289/8556 cut-off events. [2022-11-23 04:03:52,381 INFO L131 PetriNetUnfolder]: For 5157/5186 co-relation queries the response was YES. [2022-11-23 04:03:52,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23441 conditions, 8556 events. 4289/8556 cut-off events. For 5157/5186 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 63341 event pairs, 1381 based on Foata normal form. 865/8661 useless extension candidates. Maximal degree in co-relation 23430. Up to 4650 conditions per place. [2022-11-23 04:03:52,428 INFO L137 encePairwiseOnDemand]: 377/396 looper letters, 91 selfloop transitions, 22 changer transitions 2/132 dead transitions. [2022-11-23 04:03:52,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 132 transitions, 748 flow [2022-11-23 04:03:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:03:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-23 04:03:52,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 814 transitions. [2022-11-23 04:03:52,433 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5138888888888888 [2022-11-23 04:03:52,433 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 814 transitions. [2022-11-23 04:03:52,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 814 transitions. [2022-11-23 04:03:52,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:52,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 814 transitions. [2022-11-23 04:03:52,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:52,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 396.0) internal successors, (1980), 5 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:52,451 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 396.0) internal successors, (1980), 5 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:52,451 INFO L175 Difference]: Start difference. First operand has 90 places, 103 transitions, 439 flow. Second operand 4 states and 814 transitions. [2022-11-23 04:03:52,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 132 transitions, 748 flow [2022-11-23 04:03:52,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 132 transitions, 666 flow, removed 22 selfloop flow, removed 6 redundant places. [2022-11-23 04:03:52,491 INFO L231 Difference]: Finished difference. Result has 83 places, 93 transitions, 402 flow [2022-11-23 04:03:52,491 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=402, PETRI_PLACES=83, PETRI_TRANSITIONS=93} [2022-11-23 04:03:52,492 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 3 predicate places. [2022-11-23 04:03:52,495 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 93 transitions, 402 flow [2022-11-23 04:03:52,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 181.2) internal successors, (906), 5 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:52,496 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:52,496 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:52,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 04:03:52,500 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:52,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:52,501 INFO L85 PathProgramCache]: Analyzing trace with hash -145578880, now seen corresponding path program 1 times [2022-11-23 04:03:52,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:52,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370034296] [2022-11-23 04:03:52,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:52,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:52,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:52,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370034296] [2022-11-23 04:03:52,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370034296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:52,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:52,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 04:03:52,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874401061] [2022-11-23 04:03:52,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:52,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 04:03:52,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:52,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 04:03:52,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 04:03:52,824 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 396 [2022-11-23 04:03:52,825 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 93 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:52,826 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:52,826 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 396 [2022-11-23 04:03:52,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:53,871 INFO L130 PetriNetUnfolder]: 2783/6158 cut-off events. [2022-11-23 04:03:53,871 INFO L131 PetriNetUnfolder]: For 3830/3857 co-relation queries the response was YES. [2022-11-23 04:03:53,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18242 conditions, 6158 events. 2783/6158 cut-off events. For 3830/3857 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 44928 event pairs, 1148 based on Foata normal form. 0/6131 useless extension candidates. Maximal degree in co-relation 18232. Up to 3411 conditions per place. [2022-11-23 04:03:53,898 INFO L137 encePairwiseOnDemand]: 394/396 looper letters, 64 selfloop transitions, 4 changer transitions 36/125 dead transitions. [2022-11-23 04:03:53,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 125 transitions, 752 flow [2022-11-23 04:03:53,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 04:03:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 04:03:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 656 transitions. [2022-11-23 04:03:53,910 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5521885521885522 [2022-11-23 04:03:53,910 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 656 transitions. [2022-11-23 04:03:53,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 656 transitions. [2022-11-23 04:03:53,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:53,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 656 transitions. [2022-11-23 04:03:53,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:53,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:53,921 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 396.0) internal successors, (1584), 4 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:53,922 INFO L175 Difference]: Start difference. First operand has 83 places, 93 transitions, 402 flow. Second operand 3 states and 656 transitions. [2022-11-23 04:03:53,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 125 transitions, 752 flow [2022-11-23 04:03:53,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 125 transitions, 751 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 04:03:53,936 INFO L231 Difference]: Finished difference. Result has 83 places, 82 transitions, 360 flow [2022-11-23 04:03:53,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=83, PETRI_TRANSITIONS=82} [2022-11-23 04:03:53,941 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 3 predicate places. [2022-11-23 04:03:53,941 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 82 transitions, 360 flow [2022-11-23 04:03:53,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:53,942 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 04:03:53,943 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:53,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 04:03:53,943 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-23 04:03:53,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:03:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1310270296, now seen corresponding path program 1 times [2022-11-23 04:03:53,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:03:53,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675630539] [2022-11-23 04:03:53,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:03:53,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 04:03:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 04:03:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 04:03:54,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 04:03:54,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675630539] [2022-11-23 04:03:54,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675630539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 04:03:54,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 04:03:54,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 04:03:54,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456047321] [2022-11-23 04:03:54,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 04:03:54,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 04:03:54,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 04:03:54,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 04:03:54,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 04:03:54,418 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 396 [2022-11-23 04:03:54,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 82 transitions, 360 flow. Second operand has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:54,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 04:03:54,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 396 [2022-11-23 04:03:54,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 04:03:55,030 INFO L130 PetriNetUnfolder]: 1667/4309 cut-off events. [2022-11-23 04:03:55,030 INFO L131 PetriNetUnfolder]: For 3481/3481 co-relation queries the response was YES. [2022-11-23 04:03:55,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13323 conditions, 4309 events. 1667/4309 cut-off events. For 3481/3481 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 32445 event pairs, 655 based on Foata normal form. 168/4460 useless extension candidates. Maximal degree in co-relation 13313. Up to 2812 conditions per place. [2022-11-23 04:03:55,040 INFO L137 encePairwiseOnDemand]: 377/396 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2022-11-23 04:03:55,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 120 transitions, 721 flow [2022-11-23 04:03:55,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 04:03:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-23 04:03:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 810 transitions. [2022-11-23 04:03:55,043 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2022-11-23 04:03:55,044 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 810 transitions. [2022-11-23 04:03:55,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 810 transitions. [2022-11-23 04:03:55,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 04:03:55,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 810 transitions. [2022-11-23 04:03:55,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:55,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 396.0) internal successors, (1980), 5 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:55,051 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 396.0) internal successors, (1980), 5 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:55,051 INFO L175 Difference]: Start difference. First operand has 83 places, 82 transitions, 360 flow. Second operand 4 states and 810 transitions. [2022-11-23 04:03:55,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 120 transitions, 721 flow [2022-11-23 04:03:55,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 120 transitions, 689 flow, removed 5 selfloop flow, removed 5 redundant places. [2022-11-23 04:03:55,062 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2022-11-23 04:03:55,062 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=396, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2022-11-23 04:03:55,063 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, -2 predicate places. [2022-11-23 04:03:55,063 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2022-11-23 04:03:55,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 04:03:55,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2022-11-23 04:03:55,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2022-11-23 04:03:55,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2022-11-23 04:03:55,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2022-11-23 04:03:55,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2022-11-23 04:03:55,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2022-11-23 04:03:55,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2022-11-23 04:03:55,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2022-11-23 04:03:55,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2022-11-23 04:03:55,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2022-11-23 04:03:55,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 24 remaining) [2022-11-23 04:03:55,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 24 remaining) [2022-11-23 04:03:55,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2022-11-23 04:03:55,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2022-11-23 04:03:55,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2022-11-23 04:03:55,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2022-11-23 04:03:55,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2022-11-23 04:03:55,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2022-11-23 04:03:55,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2022-11-23 04:03:55,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2022-11-23 04:03:55,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2022-11-23 04:03:55,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2022-11-23 04:03:55,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2022-11-23 04:03:55,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2022-11-23 04:03:55,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 04:03:55,071 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:03:55,076 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 04:03:55,076 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 04:03:55,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:03:55 BasicIcfg [2022-11-23 04:03:55,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 04:03:55,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 04:03:55,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 04:03:55,081 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 04:03:55,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:03:20" (3/4) ... [2022-11-23 04:03:55,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 04:03:55,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2022-11-23 04:03:55,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-23 04:03:55,097 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-23 04:03:55,098 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 04:03:55,098 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 04:03:55,098 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 04:03:55,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 04:03:55,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 04:03:55,140 INFO L158 Benchmark]: Toolchain (without parser) took 36802.92ms. Allocated memory was 169.9MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 140.9MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 529.9MB. Max. memory is 16.1GB. [2022-11-23 04:03:55,140 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 04:03:55,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.55ms. Allocated memory is still 169.9MB. Free memory was 140.2MB in the beginning and 120.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 04:03:55,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.18ms. Allocated memory is still 169.9MB. Free memory was 120.0MB in the beginning and 117.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:03:55,141 INFO L158 Benchmark]: Boogie Preprocessor took 63.57ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 115.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:03:55,141 INFO L158 Benchmark]: RCFGBuilder took 1039.95ms. Allocated memory is still 169.9MB. Free memory was 115.8MB in the beginning and 96.2MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 04:03:55,142 INFO L158 Benchmark]: TraceAbstraction took 34805.88ms. Allocated memory was 169.9MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 95.5MB in the beginning and 5.2GB in the end (delta: -5.2GB). Peak memory consumption was 875.9MB. Max. memory is 16.1GB. [2022-11-23 04:03:55,142 INFO L158 Benchmark]: Witness Printer took 58.43ms. Allocated memory is still 5.8GB. Free memory was 5.2GB in the beginning and 5.2GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 04:03:55,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.55ms. Allocated memory is still 169.9MB. Free memory was 140.2MB in the beginning and 120.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.18ms. Allocated memory is still 169.9MB. Free memory was 120.0MB in the beginning and 117.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.57ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 115.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1039.95ms. Allocated memory is still 169.9MB. Free memory was 115.8MB in the beginning and 96.2MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 34805.88ms. Allocated memory was 169.9MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 95.5MB in the beginning and 5.2GB in the end (delta: -5.2GB). Peak memory consumption was 875.9MB. Max. memory is 16.1GB. * Witness Printer took 58.43ms. Allocated memory is still 5.8GB. Free memory was 5.2GB in the beginning and 5.2GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8s, 202 PlacesBefore, 80 PlacesAfterwards, 199 TransitionsBefore, 77 TransitionsAfterwards, 13532 CoEnabledTransitionPairs, 10 FixpointIterations, 39 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 0 ChoiceCompositions, 185 TotalNumberOfCompositions, 67063 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23115, independent: 21993, independent conditional: 0, independent unconditional: 21993, dependent: 1122, dependent conditional: 0, dependent unconditional: 1122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9983, independent: 9818, independent conditional: 0, independent unconditional: 9818, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9983, independent: 9191, independent conditional: 0, independent unconditional: 9191, dependent: 792, dependent conditional: 0, dependent unconditional: 792, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 792, independent: 627, independent conditional: 0, independent unconditional: 627, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1045, independent: 656, independent conditional: 0, independent unconditional: 656, dependent: 388, dependent conditional: 0, dependent unconditional: 388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23115, independent: 12175, independent conditional: 0, independent unconditional: 12175, dependent: 957, dependent conditional: 0, dependent unconditional: 957, unknown: 9983, unknown conditional: 0, unknown unconditional: 9983] , Statistics on independence cache: Total cache size (in pairs): 1359, Positive cache size: 1261, Positive conditional cache size: 0, Positive unconditional cache size: 1261, Negative cache size: 98, Negative conditional cache size: 0, Negative unconditional cache size: 98, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 280 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 34.5s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1102 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 759 mSDsluCounter, 103 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 196 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1708 IncrementalHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 196 mSolverCounterUnsat, 100 mSDtfsCounter, 1708 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=439occurred in iteration=8, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 04:03:55,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15436e2-901c-462a-be73-7e3ebc67a174/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE