./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_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_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/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_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/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_b2746781-caa8-4058-8ac1-671e79701452/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 eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f --- 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 21:05:51,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:05:51,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:05:51,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:05:51,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:05:51,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:05:51,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:05:51,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:05:51,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:05:51,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:05:51,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:05:51,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:05:51,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:05:51,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:05:51,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:05:51,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:05:51,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:05:51,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:05:51,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:05:51,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:05:51,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:05:51,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:05:51,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:05:51,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:05:51,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:05:51,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:05:51,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:05:51,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:05:51,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:05:51,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:05:51,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:05:51,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:05:51,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:05:51,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:05:51,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:05:51,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:05:51,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:05:51,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:05:51,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:05:51,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:05:51,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:05:51,228 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:05:51,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:05:51,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:05:51,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:05:51,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:05:51,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:05:51,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:05:51,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:05:51,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:05:51,250 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:05:51,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:05:51,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:05:51,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:05:51,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:05:51,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:05:51,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:05:51,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:05:51,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:05:51,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:05:51,252 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:05:51,252 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:05:51,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:05:51,253 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:05:51,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:05:51,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:05:51,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:05:51,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:05:51,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:05:51,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:05:51,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:05:51,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:05:51,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:05:51,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:05:51,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:05:51,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:05:51,255 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:05:51,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:05:51,255 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:05:51,255 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_b2746781-caa8-4058-8ac1-671e79701452/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f [2022-12-13 21:05:51,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:05:51,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:05:51,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:05:51,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:05:51,486 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:05:51,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-13 21:05:54,030 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:05:54,215 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:05:54,216 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-13 21:05:54,228 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/data/c0ee2f282/f70c5ede4cbf4c86a28deceb06dbe8fb/FLAG80d7e7909 [2022-12-13 21:05:54,241 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/data/c0ee2f282/f70c5ede4cbf4c86a28deceb06dbe8fb [2022-12-13 21:05:54,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:05:54,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:05:54,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:05:54,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:05:54,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:05:54,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2bbc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54, skipping insertion in model container [2022-12-13 21:05:54,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:05:54,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:05:54,390 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_b2746781-caa8-4058-8ac1-671e79701452/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-12-13 21:05:54,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:05:54,489 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:05:54,497 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_b2746781-caa8-4058-8ac1-671e79701452/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-12-13 21:05:54,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:05:54,539 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:05:54,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54 WrapperNode [2022-12-13 21:05:54,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:05:54,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:05:54,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:05:54,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:05:54,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,567 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-13 21:05:54,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:05:54,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:05:54,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:05:54,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:05:54,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,582 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:05:54,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:05:54,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:05:54,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:05:54,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (1/1) ... [2022-12-13 21:05:54,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:05:54,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:05:54,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:05:54,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:05:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:05:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 21:05:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:05:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:05:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 21:05:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 21:05:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:05:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:05:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:05:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:05:54,642 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 21:05:54,744 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:05:54,746 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:05:54,863 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:05:54,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:05:54,869 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:05:54,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:05:54 BoogieIcfgContainer [2022-12-13 21:05:54,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:05:54,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:05:54,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:05:54,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:05:54,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:05:54" (1/3) ... [2022-12-13 21:05:54,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5944c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:05:54, skipping insertion in model container [2022-12-13 21:05:54,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:05:54" (2/3) ... [2022-12-13 21:05:54,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5944c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:05:54, skipping insertion in model container [2022-12-13 21:05:54,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:05:54" (3/3) ... [2022-12-13 21:05:54,879 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-13 21:05:54,887 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:05:54,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:05:54,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 21:05:54,897 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:05:54,948 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 21:05:54,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 83 transitions, 171 flow [2022-12-13 21:05:55,022 INFO L130 PetriNetUnfolder]: 1/82 cut-off events. [2022-12-13 21:05:55,023 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:05:55,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 1/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2022-12-13 21:05:55,026 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 83 transitions, 171 flow [2022-12-13 21:05:55,030 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 82 transitions, 167 flow [2022-12-13 21:05:55,033 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:05:55,042 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 82 transitions, 167 flow [2022-12-13 21:05:55,045 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 82 transitions, 167 flow [2022-12-13 21:05:55,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 82 transitions, 167 flow [2022-12-13 21:05:55,070 INFO L130 PetriNetUnfolder]: 1/82 cut-off events. [2022-12-13 21:05:55,070 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:05:55,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 1/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2022-12-13 21:05:55,072 INFO L119 LiptonReduction]: Number of co-enabled transitions 1050 [2022-12-13 21:05:56,775 INFO L134 LiptonReduction]: Checked pairs total: 3697 [2022-12-13 21:05:56,775 INFO L136 LiptonReduction]: Total number of compositions: 62 [2022-12-13 21:05:56,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:05:56,790 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;@1501b4eb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:05:56,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 21:05:56,794 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-13 21:05:56,794 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:05:56,795 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:05:56,795 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:05:56,796 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 21:05:56,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:05:56,801 INFO L85 PathProgramCache]: Analyzing trace with hash 646917925, now seen corresponding path program 1 times [2022-12-13 21:05:56,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:05:56,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246190920] [2022-12-13 21:05:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:05:56,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:05:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:05:56,955 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 21:05:56,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:05:56,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246190920] [2022-12-13 21:05:56,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246190920] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:05:56,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:05:56,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:05:56,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290757526] [2022-12-13 21:05:56,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:05:56,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:05:56,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:05:56,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:05:56,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:05:57,007 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 145 [2022-12-13 21:05:57,009 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,009 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:05:57,009 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 145 [2022-12-13 21:05:57,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:05:57,083 INFO L130 PetriNetUnfolder]: 62/177 cut-off events. [2022-12-13 21:05:57,084 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:05:57,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 177 events. 62/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 650 event pairs, 45 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 316. Up to 125 conditions per place. [2022-12-13 21:05:57,086 INFO L137 encePairwiseOnDemand]: 139/145 looper letters, 21 selfloop transitions, 4 changer transitions 4/36 dead transitions. [2022-12-13 21:05:57,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 36 transitions, 133 flow [2022-12-13 21:05:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:05:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:05:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2022-12-13 21:05:57,097 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5770114942528736 [2022-12-13 21:05:57,098 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 251 transitions. [2022-12-13 21:05:57,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 251 transitions. [2022-12-13 21:05:57,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:05:57,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 251 transitions. [2022-12-13 21:05:57,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,108 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,110 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 57 flow. Second operand 3 states and 251 transitions. [2022-12-13 21:05:57,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 36 transitions, 133 flow [2022-12-13 21:05:57,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 36 transitions, 132 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:05:57,113 INFO L231 Difference]: Finished difference. Result has 31 places, 28 transitions, 78 flow [2022-12-13 21:05:57,115 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=31, PETRI_TRANSITIONS=28} [2022-12-13 21:05:57,117 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 1 predicate places. [2022-12-13 21:05:57,117 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 28 transitions, 78 flow [2022-12-13 21:05:57,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,118 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:05:57,118 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:05:57,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:05:57,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 21:05:57,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:05:57,119 INFO L85 PathProgramCache]: Analyzing trace with hash 673377143, now seen corresponding path program 1 times [2022-12-13 21:05:57,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:05:57,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064484734] [2022-12-13 21:05:57,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:05:57,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:05:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:05:57,182 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 21:05:57,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:05:57,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064484734] [2022-12-13 21:05:57,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064484734] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:05:57,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:05:57,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:05:57,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688252076] [2022-12-13 21:05:57,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:05:57,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:05:57,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:05:57,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:05:57,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:05:57,196 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 145 [2022-12-13 21:05:57,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 28 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:05:57,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 145 [2022-12-13 21:05:57,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:05:57,250 INFO L130 PetriNetUnfolder]: 60/172 cut-off events. [2022-12-13 21:05:57,250 INFO L131 PetriNetUnfolder]: For 49/55 co-relation queries the response was YES. [2022-12-13 21:05:57,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 172 events. 60/172 cut-off events. For 49/55 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 630 event pairs, 45 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 367. Up to 130 conditions per place. [2022-12-13 21:05:57,252 INFO L137 encePairwiseOnDemand]: 141/145 looper letters, 23 selfloop transitions, 4 changer transitions 0/34 dead transitions. [2022-12-13 21:05:57,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 34 transitions, 149 flow [2022-12-13 21:05:57,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:05:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:05:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 241 transitions. [2022-12-13 21:05:57,254 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5540229885057472 [2022-12-13 21:05:57,254 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 241 transitions. [2022-12-13 21:05:57,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 241 transitions. [2022-12-13 21:05:57,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:05:57,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 241 transitions. [2022-12-13 21:05:57,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,258 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,258 INFO L175 Difference]: Start difference. First operand has 31 places, 28 transitions, 78 flow. Second operand 3 states and 241 transitions. [2022-12-13 21:05:57,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 34 transitions, 149 flow [2022-12-13 21:05:57,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 34 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:05:57,259 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 98 flow [2022-12-13 21:05:57,259 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2022-12-13 21:05:57,260 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 3 predicate places. [2022-12-13 21:05:57,260 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 98 flow [2022-12-13 21:05:57,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,260 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:05:57,260 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:05:57,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:05:57,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 21:05:57,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:05:57,261 INFO L85 PathProgramCache]: Analyzing trace with hash -384483424, now seen corresponding path program 1 times [2022-12-13 21:05:57,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:05:57,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112753705] [2022-12-13 21:05:57,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:05:57,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:05:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:05:57,344 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 21:05:57,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:05:57,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112753705] [2022-12-13 21:05:57,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112753705] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:05:57,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:05:57,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:05:57,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191469034] [2022-12-13 21:05:57,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:05:57,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:05:57,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:05:57,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:05:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:05:57,365 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 145 [2022-12-13 21:05:57,366 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,366 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:05:57,366 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 145 [2022-12-13 21:05:57,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:05:57,419 INFO L130 PetriNetUnfolder]: 53/158 cut-off events. [2022-12-13 21:05:57,419 INFO L131 PetriNetUnfolder]: For 61/65 co-relation queries the response was YES. [2022-12-13 21:05:57,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 158 events. 53/158 cut-off events. For 61/65 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 556 event pairs, 18 based on Foata normal form. 8/163 useless extension candidates. Maximal degree in co-relation 359. Up to 85 conditions per place. [2022-12-13 21:05:57,421 INFO L137 encePairwiseOnDemand]: 138/145 looper letters, 23 selfloop transitions, 6 changer transitions 8/42 dead transitions. [2022-12-13 21:05:57,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 42 transitions, 200 flow [2022-12-13 21:05:57,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:05:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:05:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2022-12-13 21:05:57,423 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5793103448275863 [2022-12-13 21:05:57,423 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 252 transitions. [2022-12-13 21:05:57,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 252 transitions. [2022-12-13 21:05:57,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:05:57,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 252 transitions. [2022-12-13 21:05:57,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,427 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 98 flow. Second operand 3 states and 252 transitions. [2022-12-13 21:05:57,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 42 transitions, 200 flow [2022-12-13 21:05:57,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 42 transitions, 180 flow, removed 4 selfloop flow, removed 3 redundant places. [2022-12-13 21:05:57,429 INFO L231 Difference]: Finished difference. Result has 32 places, 28 transitions, 94 flow [2022-12-13 21:05:57,429 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=32, PETRI_TRANSITIONS=28} [2022-12-13 21:05:57,430 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2022-12-13 21:05:57,430 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 94 flow [2022-12-13 21:05:57,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,430 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:05:57,430 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:05:57,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:05:57,430 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 21:05:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:05:57,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1120959395, now seen corresponding path program 1 times [2022-12-13 21:05:57,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:05:57,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763232279] [2022-12-13 21:05:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:05:57,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:05:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:05:57,466 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 21:05:57,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:05:57,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763232279] [2022-12-13 21:05:57,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763232279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:05:57,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:05:57,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:05:57,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202726229] [2022-12-13 21:05:57,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:05:57,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:05:57,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:05:57,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:05:57,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:05:57,477 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 145 [2022-12-13 21:05:57,477 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,477 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:05:57,477 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 145 [2022-12-13 21:05:57,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:05:57,515 INFO L130 PetriNetUnfolder]: 45/143 cut-off events. [2022-12-13 21:05:57,515 INFO L131 PetriNetUnfolder]: For 51/59 co-relation queries the response was YES. [2022-12-13 21:05:57,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 143 events. 45/143 cut-off events. For 51/59 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 500 event pairs, 13 based on Foata normal form. 4/143 useless extension candidates. Maximal degree in co-relation 367. Up to 75 conditions per place. [2022-12-13 21:05:57,516 INFO L137 encePairwiseOnDemand]: 141/145 looper letters, 20 selfloop transitions, 3 changer transitions 10/38 dead transitions. [2022-12-13 21:05:57,516 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 38 transitions, 192 flow [2022-12-13 21:05:57,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:05:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:05:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2022-12-13 21:05:57,517 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5862068965517241 [2022-12-13 21:05:57,517 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 255 transitions. [2022-12-13 21:05:57,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 255 transitions. [2022-12-13 21:05:57,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:05:57,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 255 transitions. [2022-12-13 21:05:57,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,519 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,519 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 94 flow. Second operand 3 states and 255 transitions. [2022-12-13 21:05:57,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 38 transitions, 192 flow [2022-12-13 21:05:57,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 38 transitions, 180 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-12-13 21:05:57,520 INFO L231 Difference]: Finished difference. Result has 35 places, 26 transitions, 96 flow [2022-12-13 21:05:57,521 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=35, PETRI_TRANSITIONS=26} [2022-12-13 21:05:57,521 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 5 predicate places. [2022-12-13 21:05:57,521 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 26 transitions, 96 flow [2022-12-13 21:05:57,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,521 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:05:57,521 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:05:57,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:05:57,522 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 21:05:57,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:05:57,522 INFO L85 PathProgramCache]: Analyzing trace with hash -237630630, now seen corresponding path program 1 times [2022-12-13 21:05:57,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:05:57,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097289876] [2022-12-13 21:05:57,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:05:57,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:05:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:05:57,659 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 21:05:57,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:05:57,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097289876] [2022-12-13 21:05:57,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097289876] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:05:57,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:05:57,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:05:57,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575890441] [2022-12-13 21:05:57,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:05:57,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:05:57,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:05:57,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:05:57,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:05:57,694 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 145 [2022-12-13 21:05:57,694 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 75.25) internal successors, (301), 4 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:05:57,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 145 [2022-12-13 21:05:57,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:05:57,715 INFO L130 PetriNetUnfolder]: 2/39 cut-off events. [2022-12-13 21:05:57,715 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-13 21:05:57,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 39 events. 2/39 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 1 based on Foata normal form. 13/52 useless extension candidates. Maximal degree in co-relation 94. Up to 25 conditions per place. [2022-12-13 21:05:57,715 INFO L137 encePairwiseOnDemand]: 139/145 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2022-12-13 21:05:57,715 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 20 transitions, 102 flow [2022-12-13 21:05:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:05:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 21:05:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 308 transitions. [2022-12-13 21:05:57,716 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5310344827586206 [2022-12-13 21:05:57,716 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 308 transitions. [2022-12-13 21:05:57,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 308 transitions. [2022-12-13 21:05:57,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:05:57,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 308 transitions. [2022-12-13 21:05:57,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,719 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,719 INFO L175 Difference]: Start difference. First operand has 35 places, 26 transitions, 96 flow. Second operand 4 states and 308 transitions. [2022-12-13 21:05:57,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 20 transitions, 102 flow [2022-12-13 21:05:57,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 20 transitions, 84 flow, removed 3 selfloop flow, removed 6 redundant places. [2022-12-13 21:05:57,720 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2022-12-13 21:05:57,720 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0} [2022-12-13 21:05:57,721 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, -3 predicate places. [2022-12-13 21:05:57,721 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 0 transitions, 0 flow [2022-12-13 21:05:57,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.25) internal successors, (301), 4 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:05:57,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-12-13 21:05:57,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-12-13 21:05:57,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-13 21:05:57,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-12-13 21:05:57,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-12-13 21:05:57,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:05:57,725 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 21:05:57,729 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:05:57,729 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:05:57,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:05:57 BasicIcfg [2022-12-13 21:05:57,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:05:57,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:05:57,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:05:57,734 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:05:57,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:05:54" (3/4) ... [2022-12-13 21:05:57,737 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:05:57,742 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 21:05:57,745 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-13 21:05:57,745 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:05:57,745 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:05:57,745 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:05:57,773 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:05:57,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:05:57,774 INFO L158 Benchmark]: Toolchain (without parser) took 3529.43ms. Allocated memory is still 138.4MB. Free memory was 99.6MB in the beginning and 89.3MB in the end (delta: 10.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-12-13 21:05:57,774 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:05:57,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.26ms. Allocated memory is still 138.4MB. Free memory was 99.6MB in the beginning and 80.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:05:57,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.78ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:05:57,775 INFO L158 Benchmark]: Boogie Preprocessor took 16.15ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:05:57,775 INFO L158 Benchmark]: RCFGBuilder took 286.62ms. Allocated memory is still 138.4MB. Free memory was 76.9MB in the beginning and 105.2MB in the end (delta: -28.3MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-12-13 21:05:57,776 INFO L158 Benchmark]: TraceAbstraction took 2859.41ms. Allocated memory is still 138.4MB. Free memory was 104.3MB in the beginning and 91.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-12-13 21:05:57,776 INFO L158 Benchmark]: Witness Printer took 39.80ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:05:57,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.26ms. Allocated memory is still 138.4MB. Free memory was 99.6MB in the beginning and 80.4MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.78ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.15ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.62ms. Allocated memory is still 138.4MB. Free memory was 76.9MB in the beginning and 105.2MB in the end (delta: -28.3MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2859.41ms. Allocated memory is still 138.4MB. Free memory was 104.3MB in the beginning and 91.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 39.80ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.1MB). 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: 1.7s, 85 PlacesBefore, 30 PlacesAfterwards, 82 TransitionsBefore, 27 TransitionsAfterwards, 1050 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 3697 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1136, independent: 873, independent conditional: 0, independent unconditional: 873, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 503, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1136, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 226, dependent conditional: 0, dependent unconditional: 226, unknown: 503, unknown conditional: 0, unknown unconditional: 503] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: 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, 100 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 297 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 4 mSDtfsCounter, 297 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=98occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:05:57,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2746781-caa8-4058-8ac1-671e79701452/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