./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 b5237d83 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_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/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_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 14:00:10,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 14:00:10,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 14:00:10,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 14:00:10,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 14:00:10,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 14:00:10,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 14:00:10,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 14:00:10,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 14:00:10,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 14:00:10,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 14:00:10,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 14:00:10,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 14:00:10,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 14:00:10,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 14:00:10,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 14:00:10,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 14:00:10,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 14:00:10,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 14:00:10,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 14:00:10,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 14:00:10,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 14:00:10,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 14:00:10,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 14:00:10,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 14:00:10,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 14:00:10,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 14:00:10,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 14:00:10,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 14:00:10,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 14:00:10,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 14:00:10,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 14:00:10,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 14:00:10,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 14:00:10,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 14:00:10,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 14:00:10,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 14:00:10,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 14:00:10,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 14:00:10,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 14:00:10,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 14:00:10,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 14:00:10,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 14:00:10,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 14:00:10,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 14:00:10,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 14:00:10,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 14:00:10,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 14:00:10,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 14:00:10,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 14:00:10,992 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 14:00:10,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 14:00:10,993 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 14:00:10,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 14:00:10,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 14:00:10,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 14:00:10,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 14:00:10,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 14:00:10,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 14:00:10,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 14:00:10,995 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 14:00:10,995 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 14:00:10,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 14:00:10,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 14:00:10,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 14:00:10,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 14:00:10,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 14:00:10,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 14:00:10,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:00:10,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 14:00:10,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 14:00:10,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 14:00:10,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 14:00:10,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 14:00:10,998 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 14:00:10,998 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 14:00:10,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 14:00:10,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 [2022-11-21 14:00:11,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 14:00:11,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 14:00:11,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 14:00:11,404 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 14:00:11,404 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 14:00:11,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2022-11-21 14:00:14,570 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:00:14,862 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:00:14,862 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2022-11-21 14:00:14,875 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/data/0adbcf6e0/3a175f87485441a7b648c490a787538f/FLAG996be9ea4 [2022-11-21 14:00:14,891 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/data/0adbcf6e0/3a175f87485441a7b648c490a787538f [2022-11-21 14:00:14,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:00:14,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:00:14,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:00:14,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:00:14,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:00:14,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:14" (1/1) ... [2022-11-21 14:00:14,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77344edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:14, skipping insertion in model container [2022-11-21 14:00:14,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:14" (1/1) ... [2022-11-21 14:00:14,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:00:14,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:00:15,248 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2022-11-21 14:00:15,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:00:15,538 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:00:15,555 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2022-11-21 14:00:15,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:00:15,665 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:00:15,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15 WrapperNode [2022-11-21 14:00:15,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:00:15,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:00:15,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:00:15,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:00:15,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,745 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2022-11-21 14:00:15,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:00:15,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:00:15,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:00:15,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:00:15,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:00:15,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:00:15,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:00:15,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:00:15,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (1/1) ... [2022-11-21 14:00:15,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:00:15,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:00:15,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:00:15,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:00:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 14:00:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 14:00:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 14:00:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:00:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 14:00:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 14:00:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 14:00:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 14:00:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 14:00:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:00:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:00:15,902 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 14:00:16,096 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:00:16,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:00:16,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:00:16,487 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:00:16,493 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 14:00:16,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:16 BoogieIcfgContainer [2022-11-21 14:00:16,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:00:16,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:00:16,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:00:16,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:00:16,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:00:14" (1/3) ... [2022-11-21 14:00:16,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4559e7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:00:16, skipping insertion in model container [2022-11-21 14:00:16,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:15" (2/3) ... [2022-11-21 14:00:16,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4559e7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:00:16, skipping insertion in model container [2022-11-21 14:00:16,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:16" (3/3) ... [2022-11-21 14:00:16,505 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2022-11-21 14:00:16,515 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 14:00:16,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:00:16,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-21 14:00:16,528 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 14:00:16,592 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-21 14:00:16,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 113 transitions, 234 flow [2022-11-21 14:00:16,694 INFO L130 PetriNetUnfolder]: 3/112 cut-off events. [2022-11-21 14:00:16,695 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 14:00:16,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 112 events. 3/112 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-11-21 14:00:16,701 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 113 transitions, 234 flow [2022-11-21 14:00:16,706 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 104 transitions, 211 flow [2022-11-21 14:00:16,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:00:16,727 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;@2f0640d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:00:16,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-21 14:00:16,737 INFO L130 PetriNetUnfolder]: 0/29 cut-off events. [2022-11-21 14:00:16,738 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 14:00:16,738 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 14:00:16,739 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:00:16,739 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)] === [2022-11-21 14:00:16,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:16,746 INFO L85 PathProgramCache]: Analyzing trace with hash -781892512, now seen corresponding path program 1 times [2022-11-21 14:00:16,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:16,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944108482] [2022-11-21 14:00:16,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:16,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:00:17,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:17,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944108482] [2022-11-21 14:00:17,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944108482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:17,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:17,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:00:17,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273385325] [2022-11-21 14:00:17,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:17,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:00:17,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:17,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:00:17,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:00:17,208 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 113 [2022-11-21 14:00:17,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 104 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,219 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 14:00:17,219 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 113 [2022-11-21 14:00:17,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 14:00:17,452 INFO L130 PetriNetUnfolder]: 25/311 cut-off events. [2022-11-21 14:00:17,453 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 14:00:17,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 311 events. 25/311 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1221 event pairs, 9 based on Foata normal form. 19/288 useless extension candidates. Maximal degree in co-relation 341. Up to 45 conditions per place. [2022-11-21 14:00:17,456 INFO L137 encePairwiseOnDemand]: 101/113 looper letters, 15 selfloop transitions, 6 changer transitions 1/103 dead transitions. [2022-11-21 14:00:17,457 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 103 transitions, 251 flow [2022-11-21 14:00:17,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:00:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 14:00:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions. [2022-11-21 14:00:17,473 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8790560471976401 [2022-11-21 14:00:17,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 298 transitions. [2022-11-21 14:00:17,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 298 transitions. [2022-11-21 14:00:17,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 14:00:17,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 298 transitions. [2022-11-21 14:00:17,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,499 INFO L175 Difference]: Start difference. First operand has 105 places, 104 transitions, 211 flow. Second operand 3 states and 298 transitions. [2022-11-21 14:00:17,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 103 transitions, 251 flow [2022-11-21 14:00:17,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 103 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 14:00:17,511 INFO L231 Difference]: Finished difference. Result has 103 places, 98 transitions, 230 flow [2022-11-21 14:00:17,513 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=103, PETRI_TRANSITIONS=98} [2022-11-21 14:00:17,518 INFO L288 CegarLoopForPetriNet]: 105 programPoint places, -2 predicate places. [2022-11-21 14:00:17,518 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 98 transitions, 230 flow [2022-11-21 14:00:17,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,520 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 14:00:17,521 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:00:17,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:00:17,522 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-21 14:00:17,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:17,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1228703710, now seen corresponding path program 1 times [2022-11-21 14:00:17,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:17,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272788473] [2022-11-21 14:00:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:17,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:00:17,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:17,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272788473] [2022-11-21 14:00:17,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272788473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:17,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:17,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:00:17,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461786516] [2022-11-21 14:00:17,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:17,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:00:17,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:17,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:00:17,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:00:17,666 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 113 [2022-11-21 14:00:17,667 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 98 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,667 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 14:00:17,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 113 [2022-11-21 14:00:17,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 14:00:17,809 INFO L130 PetriNetUnfolder]: 29/322 cut-off events. [2022-11-21 14:00:17,809 INFO L131 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2022-11-21 14:00:17,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 322 events. 29/322 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1403 event pairs, 13 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 435. Up to 72 conditions per place. [2022-11-21 14:00:17,818 INFO L137 encePairwiseOnDemand]: 108/113 looper letters, 21 selfloop transitions, 4 changer transitions 0/104 dead transitions. [2022-11-21 14:00:17,818 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 104 transitions, 304 flow [2022-11-21 14:00:17,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:00:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 14:00:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2022-11-21 14:00:17,826 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8436578171091446 [2022-11-21 14:00:17,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 286 transitions. [2022-11-21 14:00:17,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 286 transitions. [2022-11-21 14:00:17,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 14:00:17,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 286 transitions. [2022-11-21 14:00:17,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,838 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,838 INFO L175 Difference]: Start difference. First operand has 103 places, 98 transitions, 230 flow. Second operand 3 states and 286 transitions. [2022-11-21 14:00:17,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 104 transitions, 304 flow [2022-11-21 14:00:17,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 104 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 14:00:17,842 INFO L231 Difference]: Finished difference. Result has 104 places, 101 transitions, 250 flow [2022-11-21 14:00:17,843 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=104, PETRI_TRANSITIONS=101} [2022-11-21 14:00:17,844 INFO L288 CegarLoopForPetriNet]: 105 programPoint places, -1 predicate places. [2022-11-21 14:00:17,844 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 101 transitions, 250 flow [2022-11-21 14:00:17,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:17,848 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 14:00:17,849 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:00:17,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 14:00:17,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-21 14:00:17,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:17,869 INFO L85 PathProgramCache]: Analyzing trace with hash 723330975, now seen corresponding path program 1 times [2022-11-21 14:00:17,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:17,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095334449] [2022-11-21 14:00:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:17,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:00:18,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:18,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095334449] [2022-11-21 14:00:18,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095334449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:18,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:18,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:00:18,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736952106] [2022-11-21 14:00:18,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:18,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:00:18,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:18,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:00:18,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:00:18,409 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 113 [2022-11-21 14:00:18,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 250 flow. Second operand has 6 states, 6 states have (on average 87.66666666666667) internal successors, (526), 6 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:18,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 14:00:18,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 113 [2022-11-21 14:00:18,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 14:00:18,581 INFO L130 PetriNetUnfolder]: 2/159 cut-off events. [2022-11-21 14:00:18,582 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 14:00:18,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 159 events. 2/159 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 213 event pairs, 1 based on Foata normal form. 5/155 useless extension candidates. Maximal degree in co-relation 163. Up to 15 conditions per place. [2022-11-21 14:00:18,583 INFO L137 encePairwiseOnDemand]: 107/113 looper letters, 16 selfloop transitions, 6 changer transitions 0/95 dead transitions. [2022-11-21 14:00:18,583 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 95 transitions, 262 flow [2022-11-21 14:00:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:00:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 14:00:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 449 transitions. [2022-11-21 14:00:18,589 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7946902654867256 [2022-11-21 14:00:18,589 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 449 transitions. [2022-11-21 14:00:18,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 449 transitions. [2022-11-21 14:00:18,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 14:00:18,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 449 transitions. [2022-11-21 14:00:18,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:18,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 113.0) internal successors, (678), 6 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:18,595 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 113.0) internal successors, (678), 6 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:18,595 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 250 flow. Second operand 5 states and 449 transitions. [2022-11-21 14:00:18,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 95 transitions, 262 flow [2022-11-21 14:00:18,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 95 transitions, 248 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-11-21 14:00:18,600 INFO L231 Difference]: Finished difference. Result has 102 places, 94 transitions, 214 flow [2022-11-21 14:00:18,600 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=102, PETRI_TRANSITIONS=94} [2022-11-21 14:00:18,601 INFO L288 CegarLoopForPetriNet]: 105 programPoint places, -3 predicate places. [2022-11-21 14:00:18,602 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 94 transitions, 214 flow [2022-11-21 14:00:18,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.66666666666667) internal successors, (526), 6 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:18,602 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 14:00:18,603 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:00:18,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 14:00:18,603 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)] === [2022-11-21 14:00:18,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:18,604 INFO L85 PathProgramCache]: Analyzing trace with hash -514319209, now seen corresponding path program 1 times [2022-11-21 14:00:18,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:18,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537216323] [2022-11-21 14:00:18,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:00:19,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:19,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537216323] [2022-11-21 14:00:19,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537216323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:19,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:19,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:00:19,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091794358] [2022-11-21 14:00:19,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:19,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:00:19,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:19,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:00:19,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:00:19,104 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 113 [2022-11-21 14:00:19,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 94 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 14:00:19,105 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 113 [2022-11-21 14:00:19,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 14:00:19,160 INFO L130 PetriNetUnfolder]: 0/141 cut-off events. [2022-11-21 14:00:19,161 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 14:00:19,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 141 events. 0/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 136 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-11-21 14:00:19,162 INFO L137 encePairwiseOnDemand]: 108/113 looper letters, 6 selfloop transitions, 4 changer transitions 9/93 dead transitions. [2022-11-21 14:00:19,162 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 93 transitions, 232 flow [2022-11-21 14:00:19,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 14:00:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 14:00:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 569 transitions. [2022-11-21 14:00:19,165 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8392330383480826 [2022-11-21 14:00:19,165 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 569 transitions. [2022-11-21 14:00:19,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 569 transitions. [2022-11-21 14:00:19,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 14:00:19,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 569 transitions. [2022-11-21 14:00:19,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,171 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,172 INFO L175 Difference]: Start difference. First operand has 102 places, 94 transitions, 214 flow. Second operand 6 states and 569 transitions. [2022-11-21 14:00:19,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 93 transitions, 232 flow [2022-11-21 14:00:19,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 93 transitions, 225 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-21 14:00:19,175 INFO L231 Difference]: Finished difference. Result has 103 places, 84 transitions, 192 flow [2022-11-21 14:00:19,176 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=103, PETRI_TRANSITIONS=84} [2022-11-21 14:00:19,177 INFO L288 CegarLoopForPetriNet]: 105 programPoint places, -2 predicate places. [2022-11-21 14:00:19,177 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 84 transitions, 192 flow [2022-11-21 14:00:19,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.66666666666667) internal successors, (568), 6 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,178 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 14:00:19,178 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:00:19,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 14:00:19,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-21 14:00:19,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:19,180 INFO L85 PathProgramCache]: Analyzing trace with hash 999196841, now seen corresponding path program 1 times [2022-11-21 14:00:19,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:19,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87567083] [2022-11-21 14:00:19,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:00:19,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:19,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87567083] [2022-11-21 14:00:19,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87567083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:19,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:19,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 14:00:19,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534986895] [2022-11-21 14:00:19,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:19,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:00:19,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:19,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:00:19,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:00:19,235 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 113 [2022-11-21 14:00:19,235 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 84 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,236 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 14:00:19,236 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 113 [2022-11-21 14:00:19,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 14:00:19,263 INFO L130 PetriNetUnfolder]: 0/106 cut-off events. [2022-11-21 14:00:19,264 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 14:00:19,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 106 events. 0/106 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 2/108 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2022-11-21 14:00:19,265 INFO L137 encePairwiseOnDemand]: 111/113 looper letters, 0 selfloop transitions, 0 changer transitions 83/83 dead transitions. [2022-11-21 14:00:19,265 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 83 transitions, 212 flow [2022-11-21 14:00:19,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:00:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 14:00:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2022-11-21 14:00:19,267 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8141592920353983 [2022-11-21 14:00:19,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2022-11-21 14:00:19,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2022-11-21 14:00:19,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 14:00:19,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2022-11-21 14:00:19,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,271 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 113.0) internal successors, (452), 4 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,271 INFO L175 Difference]: Start difference. First operand has 103 places, 84 transitions, 192 flow. Second operand 3 states and 276 transitions. [2022-11-21 14:00:19,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 83 transitions, 212 flow [2022-11-21 14:00:19,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 83 transitions, 195 flow, removed 1 selfloop flow, removed 6 redundant places. [2022-11-21 14:00:19,273 INFO L231 Difference]: Finished difference. Result has 90 places, 0 transitions, 0 flow [2022-11-21 14:00:19,274 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=90, PETRI_TRANSITIONS=0} [2022-11-21 14:00:19,275 INFO L288 CegarLoopForPetriNet]: 105 programPoint places, -15 predicate places. [2022-11-21 14:00:19,275 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 0 transitions, 0 flow [2022-11-21 14:00:19,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 14:00:19,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-21 14:00:19,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-21 14:00:19,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-21 14:00:19,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2022-11-21 14:00:19,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-11-21 14:00:19,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-11-21 14:00:19,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-21 14:00:19,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-21 14:00:19,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-21 14:00:19,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-21 14:00:19,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 14:00:19,282 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-21 14:00:19,289 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 14:00:19,289 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 14:00:19,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 02:00:19 BasicIcfg [2022-11-21 14:00:19,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 14:00:19,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 14:00:19,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 14:00:19,297 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 14:00:19,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:16" (3/4) ... [2022-11-21 14:00:19,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 14:00:19,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-21 14:00:19,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 14:00:19,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 14:00:19,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 14:00:19,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 14:00:19,357 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 14:00:19,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 14:00:19,364 INFO L158 Benchmark]: Toolchain (without parser) took 4468.21ms. Allocated memory was 134.2MB in the beginning and 211.8MB in the end (delta: 77.6MB). Free memory was 67.2MB in the beginning and 104.3MB in the end (delta: -37.1MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2022-11-21 14:00:19,364 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 108.3MB in the beginning and 108.1MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 14:00:19,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.62ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 67.1MB in the beginning and 131.2MB in the end (delta: -64.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-21 14:00:19,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.46ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 129.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 14:00:19,366 INFO L158 Benchmark]: Boogie Preprocessor took 49.85ms. Allocated memory is still 176.2MB. Free memory was 129.1MB in the beginning and 127.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 14:00:19,366 INFO L158 Benchmark]: RCFGBuilder took 699.00ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 138.0MB in the end (delta: -10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 14:00:19,367 INFO L158 Benchmark]: TraceAbstraction took 2797.86ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 137.8MB in the beginning and 106.4MB in the end (delta: 31.4MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2022-11-21 14:00:19,367 INFO L158 Benchmark]: Witness Printer took 66.88ms. Allocated memory is still 211.8MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 14:00:19,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 108.3MB in the beginning and 108.1MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.62ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 67.1MB in the beginning and 131.2MB in the end (delta: -64.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.46ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 129.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.85ms. Allocated memory is still 176.2MB. Free memory was 129.1MB in the beginning and 127.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.00ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 138.0MB in the end (delta: -10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2797.86ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 137.8MB in the beginning and 106.4MB in the end (delta: 31.4MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * Witness Printer took 66.88ms. Allocated memory is still 211.8MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 148 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: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 42 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 14:00:19,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d70b6d-1ffe-4add-88e8-3b6975c82d17/bin/uautomizer-vX5HgA9Q3a/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