./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP --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 bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:40:39,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:40:39,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:40:39,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:40:39,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:40:39,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:40:39,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:40:39,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:40:39,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:40:39,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:40:39,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:40:39,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:40:39,877 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:40:39,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:40:39,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:40:39,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:40:39,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:40:39,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:40:39,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:40:39,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:40:39,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:40:39,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:40:39,884 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:40:39,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:40:39,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:40:39,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:40:39,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:40:39,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:40:39,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:40:39,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:40:39,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:39,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:40:39,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:40:39,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:40:39,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:40:39,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:40:39,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:40:39,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:40:39,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:40:39,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:40:39,892 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:40:39,892 INFO L153 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_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 [2023-11-06 22:40:40,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:40:40,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:40:40,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:40:40,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:40:40,350 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:40:40,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2023-11-06 22:40:43,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:40:43,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:40:43,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2023-11-06 22:40:43,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/data/a761f99ff/3ed6b20149df41698b56f565fe5cbfd6/FLAG88725d284 [2023-11-06 22:40:43,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/data/a761f99ff/3ed6b20149df41698b56f565fe5cbfd6 [2023-11-06 22:40:43,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:40:43,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:40:43,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:43,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:40:43,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:40:43,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:43" (1/1) ... [2023-11-06 22:40:43,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543be866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:43, skipping insertion in model container [2023-11-06 22:40:43,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:43" (1/1) ... [2023-11-06 22:40:43,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:40:44,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:44,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:40:44,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:44,336 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:40:44,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44 WrapperNode [2023-11-06 22:40:44,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:44,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:44,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:40:44,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:40:44,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,427 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 102 [2023-11-06 22:40:44,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:44,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:40:44,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:40:44,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:40:44,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:40:44,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:40:44,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:40:44,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:40:44,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (1/1) ... [2023-11-06 22:40:44,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:44,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:44,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:40:44,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:40:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:40:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:40:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:40:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:40:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:40:44,584 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:40:44,584 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:40:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:40:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:40:44,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:40:44,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:40:44,587 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:40:44,784 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:40:44,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:40:45,090 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:40:45,103 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:40:45,105 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:40:45,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:45 BoogieIcfgContainer [2023-11-06 22:40:45,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:40:45,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:40:45,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:40:45,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:40:45,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:40:43" (1/3) ... [2023-11-06 22:40:45,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abd6054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:45, skipping insertion in model container [2023-11-06 22:40:45,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:44" (2/3) ... [2023-11-06 22:40:45,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abd6054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:45, skipping insertion in model container [2023-11-06 22:40:45,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:45" (3/3) ... [2023-11-06 22:40:45,126 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2023-11-06 22:40:45,136 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:40:45,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:40:45,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 22:40:45,146 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:40:45,227 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:40:45,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 124 transitions, 255 flow [2023-11-06 22:40:45,333 INFO L124 PetriNetUnfolderBase]: 6/123 cut-off events. [2023-11-06 22:40:45,334 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:40:45,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 123 events. 6/123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 116 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2023-11-06 22:40:45,346 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 124 transitions, 255 flow [2023-11-06 22:40:45,351 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 113 places, 115 transitions, 233 flow [2023-11-06 22:40:45,355 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:40:45,365 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 115 transitions, 233 flow [2023-11-06 22:40:45,368 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 115 transitions, 233 flow [2023-11-06 22:40:45,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 115 transitions, 233 flow [2023-11-06 22:40:45,404 INFO L124 PetriNetUnfolderBase]: 6/115 cut-off events. [2023-11-06 22:40:45,404 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:40:45,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 115 events. 6/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 116 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2023-11-06 22:40:45,409 INFO L119 LiptonReduction]: Number of co-enabled transitions 2378 [2023-11-06 22:40:49,595 INFO L134 LiptonReduction]: Checked pairs total: 6816 [2023-11-06 22:40:49,596 INFO L136 LiptonReduction]: Total number of compositions: 117 [2023-11-06 22:40:49,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:40:49,632 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;@2ed1a63e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:40:49,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-06 22:40:49,635 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:40:49,636 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:40:49,636 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:40:49,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:40:49,637 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:40:49,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:40:49,645 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:49,646 INFO L85 PathProgramCache]: Analyzing trace with hash 463, now seen corresponding path program 1 times [2023-11-06 22:40:49,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:49,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374519490] [2023-11-06 22:40:49,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:49,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:49,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:49,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374519490] [2023-11-06 22:40:49,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374519490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:49,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:49,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:40:49,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511451328] [2023-11-06 22:40:49,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:49,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:40:49,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:49,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:40:49,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:40:49,844 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 241 [2023-11-06 22:40:49,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 36 transitions, 75 flow. Second operand has 2 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:49,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:40:49,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 241 [2023-11-06 22:40:49,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:40:49,994 INFO L124 PetriNetUnfolderBase]: 66/191 cut-off events. [2023-11-06 22:40:49,994 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:40:49,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 191 events. 66/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 814 event pairs, 66 based on Foata normal form. 38/186 useless extension candidates. Maximal degree in co-relation 338. Up to 152 conditions per place. [2023-11-06 22:40:50,001 INFO L140 encePairwiseOnDemand]: 236/241 looper letters, 19 selfloop transitions, 0 changer transitions 0/29 dead transitions. [2023-11-06 22:40:50,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 29 transitions, 99 flow [2023-11-06 22:40:50,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:40:50,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:40:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 250 transitions. [2023-11-06 22:40:50,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5186721991701245 [2023-11-06 22:40:50,025 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 250 transitions. [2023-11-06 22:40:50,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 250 transitions. [2023-11-06 22:40:50,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:40:50,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 250 transitions. [2023-11-06 22:40:50,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 125.0) internal successors, (250), 2 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:50,046 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) [2023-11-06 22:40:50,047 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) [2023-11-06 22:40:50,049 INFO L175 Difference]: Start difference. First operand has 36 places, 36 transitions, 75 flow. Second operand 2 states and 250 transitions. [2023-11-06 22:40:50,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 29 transitions, 99 flow [2023-11-06 22:40:50,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 29 transitions, 98 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:40:50,054 INFO L231 Difference]: Finished difference. Result has 33 places, 29 transitions, 60 flow [2023-11-06 22:40:50,056 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=60, PETRI_PLACES=33, PETRI_TRANSITIONS=29} [2023-11-06 22:40:50,061 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -3 predicate places. [2023-11-06 22:40:50,062 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 29 transitions, 60 flow [2023-11-06 22:40:50,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:50,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:40:50,062 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:40:50,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:40:50,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:40:50,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:50,064 INFO L85 PathProgramCache]: Analyzing trace with hash 440192484, now seen corresponding path program 1 times [2023-11-06 22:40:50,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:50,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122861688] [2023-11-06 22:40:50,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:50,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:50,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:50,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122861688] [2023-11-06 22:40:50,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122861688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:50,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:50,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:40:50,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976002628] [2023-11-06 22:40:50,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:50,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:50,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:50,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:50,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:50,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 241 [2023-11-06 22:40:50,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 29 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:50,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:40:50,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 241 [2023-11-06 22:40:50,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:40:50,437 INFO L124 PetriNetUnfolderBase]: 130/338 cut-off events. [2023-11-06 22:40:50,437 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:40:50,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 338 events. 130/338 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1543 event pairs, 53 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 640. Up to 199 conditions per place. [2023-11-06 22:40:50,445 INFO L140 encePairwiseOnDemand]: 233/241 looper letters, 30 selfloop transitions, 6 changer transitions 0/41 dead transitions. [2023-11-06 22:40:50,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 41 transitions, 156 flow [2023-11-06 22:40:50,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:40:50,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2023-11-06 22:40:50,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47579529737206083 [2023-11-06 22:40:50,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2023-11-06 22:40:50,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2023-11-06 22:40:50,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:40:50,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2023-11-06 22:40:50,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-06 22:40:50,464 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) [2023-11-06 22:40:50,466 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) [2023-11-06 22:40:50,466 INFO L175 Difference]: Start difference. First operand has 33 places, 29 transitions, 60 flow. Second operand 3 states and 344 transitions. [2023-11-06 22:40:50,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 41 transitions, 156 flow [2023-11-06 22:40:50,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 41 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:40:50,468 INFO L231 Difference]: Finished difference. Result has 36 places, 31 transitions, 96 flow [2023-11-06 22:40:50,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=36, PETRI_TRANSITIONS=31} [2023-11-06 22:40:50,469 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2023-11-06 22:40:50,469 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 31 transitions, 96 flow [2023-11-06 22:40:50,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:50,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:40:50,470 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:50,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:40:50,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:40:50,471 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:50,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2062706256, now seen corresponding path program 1 times [2023-11-06 22:40:50,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:50,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557607407] [2023-11-06 22:40:50,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:50,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:50,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:50,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557607407] [2023-11-06 22:40:50,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557607407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:50,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:50,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:40:50,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789272840] [2023-11-06 22:40:50,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:50,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:50,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:50,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:50,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:50,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 241 [2023-11-06 22:40:50,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:50,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:40:50,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 241 [2023-11-06 22:40:50,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:40:50,688 INFO L124 PetriNetUnfolderBase]: 131/329 cut-off events. [2023-11-06 22:40:50,688 INFO L125 PetriNetUnfolderBase]: For 79/81 co-relation queries the response was YES. [2023-11-06 22:40:50,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 329 events. 131/329 cut-off events. For 79/81 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1474 event pairs, 97 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 725. Up to 273 conditions per place. [2023-11-06 22:40:50,691 INFO L140 encePairwiseOnDemand]: 237/241 looper letters, 29 selfloop transitions, 3 changer transitions 0/39 dead transitions. [2023-11-06 22:40:50,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 180 flow [2023-11-06 22:40:50,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:40:50,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2023-11-06 22:40:50,695 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47441217150760717 [2023-11-06 22:40:50,695 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 343 transitions. [2023-11-06 22:40:50,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 343 transitions. [2023-11-06 22:40:50,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:40:50,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 343 transitions. [2023-11-06 22:40:50,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:50,700 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) [2023-11-06 22:40:50,701 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) [2023-11-06 22:40:50,701 INFO L175 Difference]: Start difference. First operand has 36 places, 31 transitions, 96 flow. Second operand 3 states and 343 transitions. [2023-11-06 22:40:50,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 180 flow [2023-11-06 22:40:50,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:40:50,705 INFO L231 Difference]: Finished difference. Result has 37 places, 33 transitions, 105 flow [2023-11-06 22:40:50,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2023-11-06 22:40:50,706 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places. [2023-11-06 22:40:50,706 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 105 flow [2023-11-06 22:40:50,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:50,709 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:40:50,709 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:50,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:40:50,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:40:50,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1239567332, now seen corresponding path program 1 times [2023-11-06 22:40:50,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:50,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677227058] [2023-11-06 22:40:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:51,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:51,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677227058] [2023-11-06 22:40:51,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677227058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:51,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:51,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:40:51,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418695823] [2023-11-06 22:40:51,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:51,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:51,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:51,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:51,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:51,078 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 241 [2023-11-06 22:40:51,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:40:51,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 241 [2023-11-06 22:40:51,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:40:51,189 INFO L124 PetriNetUnfolderBase]: 91/254 cut-off events. [2023-11-06 22:40:51,189 INFO L125 PetriNetUnfolderBase]: For 60/65 co-relation queries the response was YES. [2023-11-06 22:40:51,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 254 events. 91/254 cut-off events. For 60/65 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1173 event pairs, 46 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 545. Up to 130 conditions per place. [2023-11-06 22:40:51,191 INFO L140 encePairwiseOnDemand]: 239/241 looper letters, 27 selfloop transitions, 1 changer transitions 3/44 dead transitions. [2023-11-06 22:40:51,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 44 transitions, 201 flow [2023-11-06 22:40:51,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:40:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2023-11-06 22:40:51,195 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4896265560165975 [2023-11-06 22:40:51,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 354 transitions. [2023-11-06 22:40:51,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 354 transitions. [2023-11-06 22:40:51,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:40:51,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 354 transitions. [2023-11-06 22:40:51,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,200 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) [2023-11-06 22:40:51,201 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) [2023-11-06 22:40:51,201 INFO L175 Difference]: Start difference. First operand has 37 places, 33 transitions, 105 flow. Second operand 3 states and 354 transitions. [2023-11-06 22:40:51,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 44 transitions, 201 flow [2023-11-06 22:40:51,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 44 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:40:51,205 INFO L231 Difference]: Finished difference. Result has 37 places, 32 transitions, 102 flow [2023-11-06 22:40:51,206 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2023-11-06 22:40:51,208 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places. [2023-11-06 22:40:51,208 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 102 flow [2023-11-06 22:40:51,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:40:51,209 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:51,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:40:51,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:40:51,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:51,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1549149238, now seen corresponding path program 1 times [2023-11-06 22:40:51,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:51,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774042074] [2023-11-06 22:40:51,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:51,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:51,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:51,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774042074] [2023-11-06 22:40:51,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774042074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:51,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:51,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:40:51,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723013332] [2023-11-06 22:40:51,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:51,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:51,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:51,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:51,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:51,378 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 241 [2023-11-06 22:40:51,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:40:51,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 241 [2023-11-06 22:40:51,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:40:51,482 INFO L124 PetriNetUnfolderBase]: 61/199 cut-off events. [2023-11-06 22:40:51,483 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-06 22:40:51,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 199 events. 61/199 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 848 event pairs, 19 based on Foata normal form. 7/176 useless extension candidates. Maximal degree in co-relation 421. Up to 90 conditions per place. [2023-11-06 22:40:51,484 INFO L140 encePairwiseOnDemand]: 235/241 looper letters, 18 selfloop transitions, 5 changer transitions 7/40 dead transitions. [2023-11-06 22:40:51,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 174 flow [2023-11-06 22:40:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:40:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2023-11-06 22:40:51,487 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48409405255878285 [2023-11-06 22:40:51,487 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 350 transitions. [2023-11-06 22:40:51,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 350 transitions. [2023-11-06 22:40:51,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:40:51,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 350 transitions. [2023-11-06 22:40:51,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,492 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) [2023-11-06 22:40:51,493 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) [2023-11-06 22:40:51,493 INFO L175 Difference]: Start difference. First operand has 37 places, 32 transitions, 102 flow. Second operand 3 states and 350 transitions. [2023-11-06 22:40:51,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 174 flow [2023-11-06 22:40:51,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 40 transitions, 166 flow, removed 1 selfloop flow, removed 3 redundant places. [2023-11-06 22:40:51,496 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 96 flow [2023-11-06 22:40:51,496 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2023-11-06 22:40:51,497 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 0 predicate places. [2023-11-06 22:40:51,497 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 96 flow [2023-11-06 22:40:51,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:40:51,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:51,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:40:51,499 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:40:51,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1660164248, now seen corresponding path program 1 times [2023-11-06 22:40:51,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:51,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288744210] [2023-11-06 22:40:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:51,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:51,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:51,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:51,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288744210] [2023-11-06 22:40:51,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288744210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:51,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:51,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:40:51,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307302918] [2023-11-06 22:40:51,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:51,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:51,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:51,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:51,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:51,567 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 241 [2023-11-06 22:40:51,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:40:51,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 241 [2023-11-06 22:40:51,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:40:51,632 INFO L124 PetriNetUnfolderBase]: 73/198 cut-off events. [2023-11-06 22:40:51,632 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2023-11-06 22:40:51,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 198 events. 73/198 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 764 event pairs, 41 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 510. Up to 141 conditions per place. [2023-11-06 22:40:51,633 INFO L140 encePairwiseOnDemand]: 236/241 looper letters, 22 selfloop transitions, 3 changer transitions 7/36 dead transitions. [2023-11-06 22:40:51,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 36 transitions, 186 flow [2023-11-06 22:40:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:40:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 342 transitions. [2023-11-06 22:40:51,637 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4730290456431535 [2023-11-06 22:40:51,637 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 342 transitions. [2023-11-06 22:40:51,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 342 transitions. [2023-11-06 22:40:51,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:40:51,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 342 transitions. [2023-11-06 22:40:51,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,642 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) [2023-11-06 22:40:51,643 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) [2023-11-06 22:40:51,643 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 96 flow. Second operand 3 states and 342 transitions. [2023-11-06 22:40:51,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 36 transitions, 186 flow [2023-11-06 22:40:51,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 36 transitions, 176 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 22:40:51,646 INFO L231 Difference]: Finished difference. Result has 38 places, 28 transitions, 107 flow [2023-11-06 22:40:51,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=34, 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=107, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2023-11-06 22:40:51,647 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2023-11-06 22:40:51,648 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 107 flow [2023-11-06 22:40:51,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:40:51,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:51,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:40:51,649 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:40:51,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1632280998, now seen corresponding path program 1 times [2023-11-06 22:40:51,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:51,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998292665] [2023-11-06 22:40:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:51,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:51,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:51,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998292665] [2023-11-06 22:40:51,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998292665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:51,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:51,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:40:51,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291972133] [2023-11-06 22:40:51,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:51,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:40:51,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:51,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:40:51,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:40:51,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 241 [2023-11-06 22:40:51,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 107 flow. Second operand has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:40:51,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 241 [2023-11-06 22:40:51,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:40:51,903 INFO L124 PetriNetUnfolderBase]: 8/53 cut-off events. [2023-11-06 22:40:51,904 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-11-06 22:40:51,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 53 events. 8/53 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 5/57 useless extension candidates. Maximal degree in co-relation 124. Up to 35 conditions per place. [2023-11-06 22:40:51,904 INFO L140 encePairwiseOnDemand]: 237/241 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2023-11-06 22:40:51,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 22 transitions, 105 flow [2023-11-06 22:40:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:40:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 445 transitions. [2023-11-06 22:40:51,907 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4616182572614108 [2023-11-06 22:40:51,907 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 445 transitions. [2023-11-06 22:40:51,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 445 transitions. [2023-11-06 22:40:51,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:40:51,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 445 transitions. [2023-11-06 22:40:51,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 241.0) internal successors, (1205), 5 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,919 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 241.0) internal successors, (1205), 5 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,920 INFO L175 Difference]: Start difference. First operand has 38 places, 28 transitions, 107 flow. Second operand 4 states and 445 transitions. [2023-11-06 22:40:51,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 22 transitions, 105 flow [2023-11-06 22:40:51,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 22 transitions, 84 flow, removed 3 selfloop flow, removed 6 redundant places. [2023-11-06 22:40:51,921 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-11-06 22:40:51,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-11-06 22:40:51,922 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -5 predicate places. [2023-11-06 22:40:51,923 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-11-06 22:40:51,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:51,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-06 22:40:51,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-06 22:40:51,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-06 22:40:51,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-11-06 22:40:51,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-06 22:40:51,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-11-06 22:40:51,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-06 22:40:51,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-06 22:40:51,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-06 22:40:51,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-06 22:40:51,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:40:51,932 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:51,938 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:40:51,938 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:40:51,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:40:51 BasicIcfg [2023-11-06 22:40:51,953 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:40:51,954 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:40:51,954 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:40:51,954 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:40:51,955 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:45" (3/4) ... [2023-11-06 22:40:51,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:40:51,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-06 22:40:51,968 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 22:40:51,968 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:40:51,968 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:40:51,968 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:40:52,020 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:40:52,020 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:40:52,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:40:52,021 INFO L158 Benchmark]: Toolchain (without parser) took 8253.88ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 117.5MB in the beginning and 80.4MB in the end (delta: 37.1MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-11-06 22:40:52,021 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:40:52,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.36ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 113.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:40:52,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.29ms. Allocated memory is still 153.1MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:40:52,022 INFO L158 Benchmark]: Boogie Preprocessor took 57.95ms. Allocated memory is still 153.1MB. Free memory was 110.9MB in the beginning and 109.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:40:52,022 INFO L158 Benchmark]: RCFGBuilder took 622.77ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 93.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:40:52,023 INFO L158 Benchmark]: TraceAbstraction took 6839.47ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.9MB in the beginning and 83.6MB in the end (delta: 9.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-06 22:40:52,023 INFO L158 Benchmark]: Witness Printer took 66.45ms. Allocated memory is still 184.5MB. Free memory was 83.6MB in the beginning and 80.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:40:52,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.36ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 113.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.29ms. Allocated memory is still 153.1MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.95ms. Allocated memory is still 153.1MB. Free memory was 110.9MB in the beginning and 109.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.77ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 93.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6839.47ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.9MB in the beginning and 83.6MB in the end (delta: 9.3MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Witness Printer took 66.45ms. Allocated memory is still 184.5MB. Free memory was 83.6MB in the beginning and 80.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 113 PlacesBefore, 36 PlacesAfterwards, 115 TransitionsBefore, 36 TransitionsAfterwards, 2378 CoEnabledTransitionPairs, 6 FixpointIterations, 46 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 15 ConcurrentYvCompositions, 2 ChoiceCompositions, 117 TotalNumberOfCompositions, 6816 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2738, independent: 2437, independent conditional: 0, independent unconditional: 2437, dependent: 301, dependent conditional: 0, dependent unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1350, independent: 1296, independent conditional: 0, independent unconditional: 1296, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2738, independent: 1141, independent conditional: 0, independent unconditional: 1141, dependent: 247, dependent conditional: 0, dependent unconditional: 247, unknown: 1350, unknown conditional: 0, unknown unconditional: 1350] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: 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: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 160 locations, 10 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: 6.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 268 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 412 IncrementalHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 35 mSDtfsCounter, 412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=6, InterpolantAutomatonStates: 21, 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, 0.7s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:40:52,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b85996b7-0187-40b2-952d-611760f760b9/bin/uautomizer-verify-WvqO1wxjHP/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