./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4017723c7e4b1f7c431c7e7a6ea6ca9df8ac56fc590cd03021a11577cb455eff --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:42:58,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:42:58,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:42:58,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:42:58,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:42:58,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:42:58,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:42:58,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:42:58,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:42:58,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:42:58,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:42:58,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:42:58,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:42:58,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:42:58,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:42:58,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:42:58,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:42:58,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:42:58,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:42:58,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:42:58,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:42:58,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:42:58,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:42:58,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:42:58,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:42:58,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:42:58,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:42:58,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:42:58,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:42:58,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:42:58,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:42:58,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:42:58,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:42:58,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:42:58,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:42:58,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:42:58,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:42:58,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:42:58,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:42:58,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:42:58,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:42:58,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 15:42:58,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:42:58,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:42:58,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:42:58,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:42:58,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:42:58,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:42:58,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:42:58,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:42:58,349 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:42:58,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:42:58,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:42:58,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:42:58,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:42:58,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:42:58,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:42:58,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:42:58,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:42:58,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:42:58,351 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 15:42:58,351 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:42:58,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:42:58,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:42:58,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:42:58,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:42:58,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:42:58,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:42:58,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:42:58,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:42:58,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:42:58,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:42:58,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:42:58,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:42:58,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:42:58,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:42:58,354 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:42:58,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:42:58,354 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:42:58,354 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_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4017723c7e4b1f7c431c7e7a6ea6ca9df8ac56fc590cd03021a11577cb455eff [2022-12-13 15:42:58,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:42:58,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:42:58,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:42:58,561 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:42:58,561 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:42:58,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i [2022-12-13 15:43:01,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:43:01,385 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:43:01,386 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i [2022-12-13 15:43:01,398 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/data/57024b963/69fb3daf94db4446bc996666513d1a71/FLAG568e0d700 [2022-12-13 15:43:01,410 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/data/57024b963/69fb3daf94db4446bc996666513d1a71 [2022-12-13 15:43:01,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:43:01,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:43:01,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:43:01,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:43:01,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:43:01,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3433208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01, skipping insertion in model container [2022-12-13 15:43:01,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:43:01,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:43:01,580 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_4246f779-5813-4a94-b168-eef10e139f15/sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i[1086,1099] [2022-12-13 15:43:01,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:43:01,718 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:43:01,731 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_4246f779-5813-4a94-b168-eef10e139f15/sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i[1086,1099] [2022-12-13 15:43:01,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:43:01,792 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:43:01,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01 WrapperNode [2022-12-13 15:43:01,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:43:01,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:43:01,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:43:01,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:43:01,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,835 INFO L138 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 109 [2022-12-13 15:43:01,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:43:01,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:43:01,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:43:01,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:43:01,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,858 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:43:01,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:43:01,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:43:01,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:43:01,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (1/1) ... [2022-12-13 15:43:01,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:43:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:43:01,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:43:01,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:43:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:43:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:43:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 15:43:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:43:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:43:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 15:43:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 15:43:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:43:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:43:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:43:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:43:01,925 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 15:43:02,033 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:43:02,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:43:02,213 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:43:02,220 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:43:02,220 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:43:02,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:43:02 BoogieIcfgContainer [2022-12-13 15:43:02,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:43:02,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:43:02,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:43:02,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:43:02,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:43:01" (1/3) ... [2022-12-13 15:43:02,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2991abe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:43:02, skipping insertion in model container [2022-12-13 15:43:02,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:43:01" (2/3) ... [2022-12-13 15:43:02,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2991abe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:43:02, skipping insertion in model container [2022-12-13 15:43:02,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:43:02" (3/3) ... [2022-12-13 15:43:02,231 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_25-struct_nr_true.i [2022-12-13 15:43:02,240 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 15:43:02,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:43:02,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-12-13 15:43:02,250 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 15:43:02,302 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 15:43:02,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 136 transitions, 280 flow [2022-12-13 15:43:02,382 INFO L130 PetriNetUnfolder]: 4/135 cut-off events. [2022-12-13 15:43:02,383 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 15:43:02,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 135 events. 4/135 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 128 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-12-13 15:43:02,388 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 136 transitions, 280 flow [2022-12-13 15:43:02,393 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 127 transitions, 257 flow [2022-12-13 15:43:02,397 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 15:43:02,407 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 127 transitions, 257 flow [2022-12-13 15:43:02,409 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 127 transitions, 257 flow [2022-12-13 15:43:02,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 127 transitions, 257 flow [2022-12-13 15:43:02,439 INFO L130 PetriNetUnfolder]: 4/127 cut-off events. [2022-12-13 15:43:02,440 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:43:02,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 127 events. 4/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 128 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-12-13 15:43:02,444 INFO L119 LiptonReduction]: Number of co-enabled transitions 4048 [2022-12-13 15:43:04,400 INFO L134 LiptonReduction]: Checked pairs total: 15209 [2022-12-13 15:43:04,400 INFO L136 LiptonReduction]: Total number of compositions: 105 [2022-12-13 15:43:04,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:43:04,420 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;@5a9d204f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:43:04,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-12-13 15:43:04,421 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 15:43:04,421 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:43:04,422 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:04,422 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 15:43:04,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-12-13 15:43:04,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash 472, now seen corresponding path program 1 times [2022-12-13 15:43:04,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:04,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453798523] [2022-12-13 15:43:04,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:04,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:43:04,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:04,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453798523] [2022-12-13 15:43:04,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453798523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:04,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:04,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 15:43:04,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903872720] [2022-12-13 15:43:04,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:04,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:43:04,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:04,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:43:04,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:43:04,538 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 241 [2022-12-13 15:43:04,539 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 103 flow. Second operand has 2 states, 2 states have (on average 126.5) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,540 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:04,540 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 241 [2022-12-13 15:43:04,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:04,618 INFO L130 PetriNetUnfolder]: 132/420 cut-off events. [2022-12-13 15:43:04,618 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:43:04,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 420 events. 132/420 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2079 event pairs, 132 based on Foata normal form. 24/381 useless extension candidates. Maximal degree in co-relation 705. Up to 290 conditions per place. [2022-12-13 15:43:04,621 INFO L137 encePairwiseOnDemand]: 236/241 looper letters, 25 selfloop transitions, 0 changer transitions 0/44 dead transitions. [2022-12-13 15:43:04,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 141 flow [2022-12-13 15:43:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:43:04,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 15:43:04,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 282 transitions. [2022-12-13 15:43:04,631 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5850622406639004 [2022-12-13 15:43:04,631 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 282 transitions. [2022-12-13 15:43:04,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 282 transitions. [2022-12-13 15:43:04,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:04,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 282 transitions. [2022-12-13 15:43:04,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 141.0) internal successors, (282), 2 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,640 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,642 INFO L175 Difference]: Start difference. First operand has 51 places, 50 transitions, 103 flow. Second operand 2 states and 282 transitions. [2022-12-13 15:43:04,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 141 flow [2022-12-13 15:43:04,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:43:04,646 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 90 flow [2022-12-13 15:43:04,647 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=90, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2022-12-13 15:43:04,650 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2022-12-13 15:43:04,650 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 90 flow [2022-12-13 15:43:04,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 126.5) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,651 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:04,651 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 15:43:04,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:43:04,651 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-12-13 15:43:04,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:04,652 INFO L85 PathProgramCache]: Analyzing trace with hash 448191741, now seen corresponding path program 1 times [2022-12-13 15:43:04,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:04,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952644879] [2022-12-13 15:43:04,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:04,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:43:04,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:04,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952644879] [2022-12-13 15:43:04,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952644879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:04,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:04,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:04,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55439852] [2022-12-13 15:43:04,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:04,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:04,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:04,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:04,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:04,754 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 241 [2022-12-13 15:43:04,754 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:04,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 241 [2022-12-13 15:43:04,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:04,857 INFO L130 PetriNetUnfolder]: 282/748 cut-off events. [2022-12-13 15:43:04,858 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 15:43:04,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1399 conditions, 748 events. 282/748 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4095 event pairs, 133 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 1396. Up to 427 conditions per place. [2022-12-13 15:43:04,862 INFO L137 encePairwiseOnDemand]: 221/241 looper letters, 50 selfloop transitions, 15 changer transitions 0/73 dead transitions. [2022-12-13 15:43:04,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 73 transitions, 278 flow [2022-12-13 15:43:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2022-12-13 15:43:04,866 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5283540802213001 [2022-12-13 15:43:04,866 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 382 transitions. [2022-12-13 15:43:04,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 382 transitions. [2022-12-13 15:43:04,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:04,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 382 transitions. [2022-12-13 15:43:04,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,871 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,871 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 90 flow. Second operand 3 states and 382 transitions. [2022-12-13 15:43:04,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 73 transitions, 278 flow [2022-12-13 15:43:04,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 73 transitions, 278 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 15:43:04,873 INFO L231 Difference]: Finished difference. Result has 52 places, 58 transitions, 216 flow [2022-12-13 15:43:04,873 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=52, PETRI_TRANSITIONS=58} [2022-12-13 15:43:04,874 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, 1 predicate places. [2022-12-13 15:43:04,874 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 58 transitions, 216 flow [2022-12-13 15:43:04,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,874 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:04,874 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:04,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:43:04,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-12-13 15:43:04,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:04,875 INFO L85 PathProgramCache]: Analyzing trace with hash -94246347, now seen corresponding path program 1 times [2022-12-13 15:43:04,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:04,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887665675] [2022-12-13 15:43:04,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:04,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:43:04,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:04,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887665675] [2022-12-13 15:43:04,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887665675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:04,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:04,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:04,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024588220] [2022-12-13 15:43:04,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:04,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:04,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:04,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:04,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:04,962 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 241 [2022-12-13 15:43:04,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 58 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:04,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:04,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 241 [2022-12-13 15:43:04,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:05,070 INFO L130 PetriNetUnfolder]: 286/760 cut-off events. [2022-12-13 15:43:05,071 INFO L131 PetriNetUnfolder]: For 281/288 co-relation queries the response was YES. [2022-12-13 15:43:05,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1840 conditions, 760 events. 286/760 cut-off events. For 281/288 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4198 event pairs, 177 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 1835. Up to 536 conditions per place. [2022-12-13 15:43:05,073 INFO L137 encePairwiseOnDemand]: 233/241 looper letters, 48 selfloop transitions, 11 changer transitions 0/77 dead transitions. [2022-12-13 15:43:05,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 77 transitions, 404 flow [2022-12-13 15:43:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2022-12-13 15:43:05,075 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5228215767634855 [2022-12-13 15:43:05,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 378 transitions. [2022-12-13 15:43:05,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 378 transitions. [2022-12-13 15:43:05,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:05,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 378 transitions. [2022-12-13 15:43:05,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,078 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,078 INFO L175 Difference]: Start difference. First operand has 52 places, 58 transitions, 216 flow. Second operand 3 states and 378 transitions. [2022-12-13 15:43:05,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 77 transitions, 404 flow [2022-12-13 15:43:05,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 77 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:43:05,081 INFO L231 Difference]: Finished difference. Result has 54 places, 67 transitions, 284 flow [2022-12-13 15:43:05,081 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=54, PETRI_TRANSITIONS=67} [2022-12-13 15:43:05,082 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, 3 predicate places. [2022-12-13 15:43:05,082 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 67 transitions, 284 flow [2022-12-13 15:43:05,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,082 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:05,082 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:05,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:43:05,082 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-12-13 15:43:05,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:05,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1507108649, now seen corresponding path program 1 times [2022-12-13 15:43:05,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:05,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620828207] [2022-12-13 15:43:05,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:05,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:43:05,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:05,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620828207] [2022-12-13 15:43:05,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620828207] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:05,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:05,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:05,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386531454] [2022-12-13 15:43:05,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:05,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:05,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:05,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:05,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:05,157 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 241 [2022-12-13 15:43:05,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 67 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:05,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 241 [2022-12-13 15:43:05,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:05,272 INFO L130 PetriNetUnfolder]: 335/843 cut-off events. [2022-12-13 15:43:05,272 INFO L131 PetriNetUnfolder]: For 431/457 co-relation queries the response was YES. [2022-12-13 15:43:05,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2197 conditions, 843 events. 335/843 cut-off events. For 431/457 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4621 event pairs, 190 based on Foata normal form. 1/751 useless extension candidates. Maximal degree in co-relation 2191. Up to 634 conditions per place. [2022-12-13 15:43:05,275 INFO L137 encePairwiseOnDemand]: 232/241 looper letters, 56 selfloop transitions, 17 changer transitions 0/90 dead transitions. [2022-12-13 15:43:05,276 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 90 transitions, 530 flow [2022-12-13 15:43:05,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:05,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2022-12-13 15:43:05,277 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5283540802213001 [2022-12-13 15:43:05,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 382 transitions. [2022-12-13 15:43:05,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 382 transitions. [2022-12-13 15:43:05,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:05,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 382 transitions. [2022-12-13 15:43:05,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,279 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,279 INFO L175 Difference]: Start difference. First operand has 54 places, 67 transitions, 284 flow. Second operand 3 states and 382 transitions. [2022-12-13 15:43:05,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 90 transitions, 530 flow [2022-12-13 15:43:05,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 90 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 15:43:05,282 INFO L231 Difference]: Finished difference. Result has 56 places, 80 transitions, 420 flow [2022-12-13 15:43:05,283 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=56, PETRI_TRANSITIONS=80} [2022-12-13 15:43:05,283 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, 5 predicate places. [2022-12-13 15:43:05,283 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 80 transitions, 420 flow [2022-12-13 15:43:05,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,283 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:05,283 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:05,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:43:05,284 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-12-13 15:43:05,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:05,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1343317146, now seen corresponding path program 1 times [2022-12-13 15:43:05,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:05,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433384500] [2022-12-13 15:43:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:05,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:05,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:43:05,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:05,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433384500] [2022-12-13 15:43:05,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433384500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:05,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:05,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:43:05,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251102108] [2022-12-13 15:43:05,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:05,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:05,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:05,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:05,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:05,366 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 241 [2022-12-13 15:43:05,367 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 80 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,367 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:05,367 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 241 [2022-12-13 15:43:05,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:05,404 INFO L130 PetriNetUnfolder]: 1/72 cut-off events. [2022-12-13 15:43:05,404 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-12-13 15:43:05,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 72 events. 1/72 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 86 event pairs, 0 based on Foata normal form. 21/87 useless extension candidates. Maximal degree in co-relation 183. Up to 42 conditions per place. [2022-12-13 15:43:05,404 INFO L137 encePairwiseOnDemand]: 237/241 looper letters, 21 selfloop transitions, 4 changer transitions 2/39 dead transitions. [2022-12-13 15:43:05,405 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 39 transitions, 202 flow [2022-12-13 15:43:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2022-12-13 15:43:05,406 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5394190871369294 [2022-12-13 15:43:05,406 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2022-12-13 15:43:05,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2022-12-13 15:43:05,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:05,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2022-12-13 15:43:05,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,408 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,408 INFO L175 Difference]: Start difference. First operand has 56 places, 80 transitions, 420 flow. Second operand 3 states and 390 transitions. [2022-12-13 15:43:05,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 39 transitions, 202 flow [2022-12-13 15:43:05,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 39 transitions, 156 flow, removed 17 selfloop flow, removed 6 redundant places. [2022-12-13 15:43:05,409 INFO L231 Difference]: Finished difference. Result has 45 places, 37 transitions, 106 flow [2022-12-13 15:43:05,410 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2022-12-13 15:43:05,410 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, -6 predicate places. [2022-12-13 15:43:05,410 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 106 flow [2022-12-13 15:43:05,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,410 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:05,410 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:05,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:43:05,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-12-13 15:43:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:05,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2144588866, now seen corresponding path program 1 times [2022-12-13 15:43:05,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:05,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583739710] [2022-12-13 15:43:05,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:05,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:43:05,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:05,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583739710] [2022-12-13 15:43:05,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583739710] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:05,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:05,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:05,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372588893] [2022-12-13 15:43:05,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:05,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:05,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:05,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:05,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:05,482 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 241 [2022-12-13 15:43:05,483 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,483 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:05,484 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 241 [2022-12-13 15:43:05,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:05,519 INFO L130 PetriNetUnfolder]: 1/66 cut-off events. [2022-12-13 15:43:05,519 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 15:43:05,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 66 events. 1/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 145. Up to 49 conditions per place. [2022-12-13 15:43:05,520 INFO L137 encePairwiseOnDemand]: 238/241 looper letters, 24 selfloop transitions, 2 changer transitions 3/36 dead transitions. [2022-12-13 15:43:05,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 162 flow [2022-12-13 15:43:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2022-12-13 15:43:05,522 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5034578146611342 [2022-12-13 15:43:05,522 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 364 transitions. [2022-12-13 15:43:05,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 364 transitions. [2022-12-13 15:43:05,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:05,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 364 transitions. [2022-12-13 15:43:05,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,524 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,524 INFO L175 Difference]: Start difference. First operand has 45 places, 37 transitions, 106 flow. Second operand 3 states and 364 transitions. [2022-12-13 15:43:05,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 162 flow [2022-12-13 15:43:05,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 158 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 15:43:05,525 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 95 flow [2022-12-13 15:43:05,526 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2022-12-13 15:43:05,526 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, -8 predicate places. [2022-12-13 15:43:05,526 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 95 flow [2022-12-13 15:43:05,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,526 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 15:43:05,527 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:05,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:43:05,527 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-12-13 15:43:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:43:05,527 INFO L85 PathProgramCache]: Analyzing trace with hash -687385106, now seen corresponding path program 1 times [2022-12-13 15:43:05,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:43:05,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923817243] [2022-12-13 15:43:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:43:05,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:43:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:43:05,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:43:05,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:43:05,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923817243] [2022-12-13 15:43:05,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923817243] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:43:05,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:43:05,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:43:05,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308717234] [2022-12-13 15:43:05,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:43:05,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:43:05,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:43:05,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:43:05,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:43:05,582 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 241 [2022-12-13 15:43:05,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 15:43:05,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 241 [2022-12-13 15:43:05,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 15:43:05,609 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2022-12-13 15:43:05,610 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 15:43:05,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 46 events. 0/46 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 30 event pairs, 0 based on Foata normal form. 2/48 useless extension candidates. Maximal degree in co-relation 0. Up to 34 conditions per place. [2022-12-13 15:43:05,610 INFO L137 encePairwiseOnDemand]: 239/241 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2022-12-13 15:43:05,610 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 143 flow [2022-12-13 15:43:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:43:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 15:43:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2022-12-13 15:43:05,612 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4951590594744122 [2022-12-13 15:43:05,612 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 358 transitions. [2022-12-13 15:43:05,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 358 transitions. [2022-12-13 15:43:05,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:43:05,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 358 transitions. [2022-12-13 15:43:05,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,615 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 95 flow. Second operand 3 states and 358 transitions. [2022-12-13 15:43:05,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 143 flow [2022-12-13 15:43:05,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 137 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 15:43:05,616 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2022-12-13 15:43:05,616 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2022-12-13 15:43:05,617 INFO L288 CegarLoopForPetriNet]: 51 programPoint places, -11 predicate places. [2022-12-13 15:43:05,617 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2022-12-13 15:43:05,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:43:05,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2022-12-13 15:43:05,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2022-12-13 15:43:05,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2022-12-13 15:43:05,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2022-12-13 15:43:05,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2022-12-13 15:43:05,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2022-12-13 15:43:05,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2022-12-13 15:43:05,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2022-12-13 15:43:05,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2022-12-13 15:43:05,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2022-12-13 15:43:05,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2022-12-13 15:43:05,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2022-12-13 15:43:05,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2022-12-13 15:43:05,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2022-12-13 15:43:05,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2022-12-13 15:43:05,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2022-12-13 15:43:05,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:43:05,623 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:43:05,628 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 15:43:05,628 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:43:05,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:43:05 BasicIcfg [2022-12-13 15:43:05,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:43:05,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:43:05,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:43:05,632 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:43:05,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:43:02" (3/4) ... [2022-12-13 15:43:05,635 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:43:05,641 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 15:43:05,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-13 15:43:05,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:43:05,645 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:43:05,645 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:43:05,677 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:43:05,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:43:05,677 INFO L158 Benchmark]: Toolchain (without parser) took 4264.02ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 80.8MB in the beginning and 90.8MB in the end (delta: -10.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-13 15:43:05,678 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:43:05,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.58ms. Allocated memory is still 121.6MB. Free memory was 80.8MB in the beginning and 61.6MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 15:43:05,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.31ms. Allocated memory is still 121.6MB. Free memory was 61.6MB in the beginning and 59.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:43:05,678 INFO L158 Benchmark]: Boogie Preprocessor took 25.12ms. Allocated memory is still 121.6MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:43:05,679 INFO L158 Benchmark]: RCFGBuilder took 360.00ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 57.7MB in the beginning and 119.8MB in the end (delta: -62.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-12-13 15:43:05,679 INFO L158 Benchmark]: TraceAbstraction took 3406.75ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 94.0MB in the end (delta: 25.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-13 15:43:05,679 INFO L158 Benchmark]: Witness Printer took 45.20ms. Allocated memory is still 155.2MB. Free memory was 94.0MB in the beginning and 90.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:43:05,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.58ms. Allocated memory is still 121.6MB. Free memory was 80.8MB in the beginning and 61.6MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.31ms. Allocated memory is still 121.6MB. Free memory was 61.6MB in the beginning and 59.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.12ms. Allocated memory is still 121.6MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.00ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 57.7MB in the beginning and 119.8MB in the end (delta: -62.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3406.75ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 94.0MB in the end (delta: 25.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 45.20ms. Allocated memory is still 155.2MB. Free memory was 94.0MB in the beginning and 90.8MB 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: 2.0s, 127 PlacesBefore, 51 PlacesAfterwards, 127 TransitionsBefore, 50 TransitionsAfterwards, 4048 CoEnabledTransitionPairs, 6 FixpointIterations, 39 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 105 TotalNumberOfCompositions, 15209 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5932, independent: 5442, independent conditional: 0, independent unconditional: 5442, dependent: 490, dependent conditional: 0, dependent unconditional: 490, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2235, independent: 2155, independent conditional: 0, independent unconditional: 2155, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5932, independent: 3287, independent conditional: 0, independent unconditional: 3287, dependent: 410, dependent conditional: 0, dependent unconditional: 410, unknown: 2235, unknown conditional: 0, unknown unconditional: 2235] , Statistics on independence cache: Total cache size (in pairs): 343, Positive cache size: 298, Positive conditional cache size: 0, Positive unconditional cache size: 298, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45, 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: 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: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: 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: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: 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 3 procedures, 177 locations, 16 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: 3.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 438 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 591 IncrementalHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 76 mSDtfsCounter, 591 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=420occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 15:43:05,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4246f779-5813-4a94-b168-eef10e139f15/bin/uautomizer-uyxdKDjOR8/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