./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 2329fc70 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_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/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_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-13 18:36:22,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:36:22,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:36:22,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:36:22,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:36:22,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:36:22,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:36:22,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:36:22,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:36:22,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:36:22,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:36:22,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:36:22,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:36:22,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:36:22,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:36:22,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:36:22,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:36:22,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:36:22,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:36:22,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:36:22,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:36:22,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:36:22,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:36:22,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:36:22,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:36:22,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:36:22,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:36:22,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:36:22,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:36:22,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:36:22,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:36:22,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:36:22,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:36:22,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:36:22,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:36:22,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:36:22,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:36:22,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:36:22,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:36:22,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:36:22,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:36:22,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 18:36:22,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:36:22,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:36:22,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:36:22,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:36:22,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:36:22,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:36:22,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:36:22,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:36:22,919 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:36:22,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:36:22,920 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:36:22,920 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:36:22,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:36:22,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:36:22,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:36:22,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:36:22,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:36:22,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:36:22,921 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 18:36:22,921 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:36:22,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:36:22,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:36:22,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:36:22,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:36:22,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:36:22,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:36:22,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:36:22,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:36:22,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:36:22,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:36:22,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:36:22,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:36:22,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:36:22,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:36:22,923 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:36:22,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:36:22,924 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:36:22,924 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 [2022-12-13 18:36:23,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:36:23,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:36:23,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:36:23,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:36:23,171 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:36:23,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2022-12-13 18:36:25,734 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:36:25,914 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:36:25,915 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2022-12-13 18:36:25,924 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/data/1711b9666/7cdc90de638c423f883051026275a2a7/FLAGdec2ffcf8 [2022-12-13 18:36:26,305 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/data/1711b9666/7cdc90de638c423f883051026275a2a7 [2022-12-13 18:36:26,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:36:26,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:36:26,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:36:26,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:36:26,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:36:26,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4fb470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26, skipping insertion in model container [2022-12-13 18:36:26,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:36:26,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:36:26,445 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_506473b2-4866-457a-9c8d-0291be23a6da/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2022-12-13 18:36:26,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:36:26,544 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:36:26,553 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_506473b2-4866-457a-9c8d-0291be23a6da/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2022-12-13 18:36:26,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:36:26,593 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:36:26,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26 WrapperNode [2022-12-13 18:36:26,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:36:26,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:36:26,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:36:26,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:36:26,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,622 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2022-12-13 18:36:26,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:36:26,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:36:26,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:36:26,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:36:26,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,637 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:36:26,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:36:26,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:36:26,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:36:26,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (1/1) ... [2022-12-13 18:36:26,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:36:26,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:36:26,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:36:26,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:36:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:36:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:36:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 18:36:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:36:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:36:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 18:36:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 18:36:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:36:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:36:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:36:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:36:26,698 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:36:26,792 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:36:26,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:36:26,960 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:36:26,967 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:36:26,968 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:36:26,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:36:26 BoogieIcfgContainer [2022-12-13 18:36:26,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:36:26,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:36:26,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:36:26,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:36:26,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:36:26" (1/3) ... [2022-12-13 18:36:26,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc9281e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:36:26, skipping insertion in model container [2022-12-13 18:36:26,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:36:26" (2/3) ... [2022-12-13 18:36:26,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc9281e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:36:26, skipping insertion in model container [2022-12-13 18:36:26,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:36:26" (3/3) ... [2022-12-13 18:36:26,982 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2022-12-13 18:36:26,988 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:36:27,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:36:27,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 18:36:27,001 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:36:27,040 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 18:36:27,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 113 transitions, 234 flow [2022-12-13 18:36:27,097 INFO L130 PetriNetUnfolder]: 3/112 cut-off events. [2022-12-13 18:36:27,097 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 18:36:27,101 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 69 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. [2022-12-13 18:36:27,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 113 transitions, 234 flow [2022-12-13 18:36:27,105 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 104 transitions, 211 flow [2022-12-13 18:36:27,107 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:36:27,115 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 104 transitions, 211 flow [2022-12-13 18:36:27,116 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 104 transitions, 211 flow [2022-12-13 18:36:27,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 104 transitions, 211 flow [2022-12-13 18:36:27,134 INFO L130 PetriNetUnfolder]: 3/104 cut-off events. [2022-12-13 18:36:27,135 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:36:27,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 104 events. 3/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-12-13 18:36:27,136 INFO L119 LiptonReduction]: Number of co-enabled transitions 1728 [2022-12-13 18:36:29,651 INFO L134 LiptonReduction]: Checked pairs total: 5769 [2022-12-13 18:36:29,652 INFO L136 LiptonReduction]: Total number of compositions: 95 [2022-12-13 18:36:29,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:36:29,669 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;@2516a1d8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:36:29,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 18:36:29,670 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 18:36:29,670 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:36:29,670 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:36:29,670 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 18:36:29,671 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)] === [2022-12-13 18:36:29,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:36:29,674 INFO L85 PathProgramCache]: Analyzing trace with hash 400, now seen corresponding path program 1 times [2022-12-13 18:36:29,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:36:29,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807464651] [2022-12-13 18:36:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:36:29,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:36:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:36:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:36:29,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:36:29,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807464651] [2022-12-13 18:36:29,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807464651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:36:29,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:36:29,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 18:36:29,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508065755] [2022-12-13 18:36:29,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:36:29,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:36:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:36:29,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:36:29,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:36:29,780 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 208 [2022-12-13 18:36:29,781 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 32 transitions, 67 flow. Second operand has 2 states, 2 states have (on average 105.5) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:29,781 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:36:29,782 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 208 [2022-12-13 18:36:29,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:36:29,850 INFO L130 PetriNetUnfolder]: 77/216 cut-off events. [2022-12-13 18:36:29,850 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:36:29,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 216 events. 77/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 850 event pairs, 77 based on Foata normal form. 20/191 useless extension candidates. Maximal degree in co-relation 386. Up to 175 conditions per place. [2022-12-13 18:36:29,853 INFO L137 encePairwiseOnDemand]: 205/208 looper letters, 20 selfloop transitions, 0 changer transitions 0/29 dead transitions. [2022-12-13 18:36:29,853 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 29 transitions, 101 flow [2022-12-13 18:36:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:36:29,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 18:36:29,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 233 transitions. [2022-12-13 18:36:29,865 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5600961538461539 [2022-12-13 18:36:29,865 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 233 transitions. [2022-12-13 18:36:29,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 233 transitions. [2022-12-13 18:36:29,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:36:29,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 233 transitions. [2022-12-13 18:36:29,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:29,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:29,874 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:29,875 INFO L175 Difference]: Start difference. First operand has 34 places, 32 transitions, 67 flow. Second operand 2 states and 233 transitions. [2022-12-13 18:36:29,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 29 transitions, 101 flow [2022-12-13 18:36:29,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 29 transitions, 100 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:36:29,879 INFO L231 Difference]: Finished difference. Result has 33 places, 29 transitions, 60 flow [2022-12-13 18:36:29,880 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, 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} [2022-12-13 18:36:29,884 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places. [2022-12-13 18:36:29,884 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 29 transitions, 60 flow [2022-12-13 18:36:29,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 105.5) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:29,885 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:36:29,885 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 18:36:29,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:36:29,885 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)] === [2022-12-13 18:36:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:36:29,886 INFO L85 PathProgramCache]: Analyzing trace with hash 382647656, now seen corresponding path program 1 times [2022-12-13 18:36:29,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:36:29,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437178817] [2022-12-13 18:36:29,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:36:29,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:36:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:36:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:36:29,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:36:29,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437178817] [2022-12-13 18:36:29,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437178817] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:36:29,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:36:29,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:36:29,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100503608] [2022-12-13 18:36:29,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:36:29,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:36:29,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:36:29,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:36:29,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:36:29,977 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 208 [2022-12-13 18:36:29,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 29 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:29,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:36:29,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 208 [2022-12-13 18:36:29,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:36:30,045 INFO L130 PetriNetUnfolder]: 130/341 cut-off events. [2022-12-13 18:36:30,046 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:36:30,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 341 events. 130/341 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1556 event pairs, 53 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 643. Up to 199 conditions per place. [2022-12-13 18:36:30,047 INFO L137 encePairwiseOnDemand]: 200/208 looper letters, 30 selfloop transitions, 6 changer transitions 0/41 dead transitions. [2022-12-13 18:36:30,047 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 41 transitions, 156 flow [2022-12-13 18:36:30,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:36:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:36:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2022-12-13 18:36:30,051 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5128205128205128 [2022-12-13 18:36:30,051 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 320 transitions. [2022-12-13 18:36:30,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 320 transitions. [2022-12-13 18:36:30,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:36:30,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 320 transitions. [2022-12-13 18:36:30,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,059 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,059 INFO L175 Difference]: Start difference. First operand has 33 places, 29 transitions, 60 flow. Second operand 3 states and 320 transitions. [2022-12-13 18:36:30,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 41 transitions, 156 flow [2022-12-13 18:36:30,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 41 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:36:30,061 INFO L231 Difference]: Finished difference. Result has 36 places, 31 transitions, 96 flow [2022-12-13 18:36:30,061 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, 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} [2022-12-13 18:36:30,062 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 2 predicate places. [2022-12-13 18:36:30,062 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 31 transitions, 96 flow [2022-12-13 18:36:30,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,063 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:36:30,063 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:36:30,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:36:30,063 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)] === [2022-12-13 18:36:30,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:36:30,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1688564887, now seen corresponding path program 1 times [2022-12-13 18:36:30,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:36:30,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617824461] [2022-12-13 18:36:30,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:36:30,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:36:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:36:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:36:30,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:36:30,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617824461] [2022-12-13 18:36:30,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617824461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:36:30,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:36:30,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:36:30,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344297190] [2022-12-13 18:36:30,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:36:30,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:36:30,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:36:30,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:36:30,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:36:30,129 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 208 [2022-12-13 18:36:30,130 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 31 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,130 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:36:30,130 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 208 [2022-12-13 18:36:30,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:36:30,197 INFO L130 PetriNetUnfolder]: 137/344 cut-off events. [2022-12-13 18:36:30,197 INFO L131 PetriNetUnfolder]: For 93/98 co-relation queries the response was YES. [2022-12-13 18:36:30,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 344 events. 137/344 cut-off events. For 93/98 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1518 event pairs, 105 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 774. Up to 294 conditions per place. [2022-12-13 18:36:30,199 INFO L137 encePairwiseOnDemand]: 204/208 looper letters, 32 selfloop transitions, 3 changer transitions 0/40 dead transitions. [2022-12-13 18:36:30,199 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 192 flow [2022-12-13 18:36:30,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:36:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:36:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2022-12-13 18:36:30,201 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5144230769230769 [2022-12-13 18:36:30,201 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2022-12-13 18:36:30,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2022-12-13 18:36:30,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:36:30,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2022-12-13 18:36:30,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,204 INFO L175 Difference]: Start difference. First operand has 36 places, 31 transitions, 96 flow. Second operand 3 states and 321 transitions. [2022-12-13 18:36:30,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 192 flow [2022-12-13 18:36:30,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 40 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 18:36:30,205 INFO L231 Difference]: Finished difference. Result has 37 places, 33 transitions, 105 flow [2022-12-13 18:36:30,205 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, 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} [2022-12-13 18:36:30,206 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 3 predicate places. [2022-12-13 18:36:30,206 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 105 flow [2022-12-13 18:36:30,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,206 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:36:30,206 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:36:30,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:36:30,206 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)] === [2022-12-13 18:36:30,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:36:30,207 INFO L85 PathProgramCache]: Analyzing trace with hash 617709779, now seen corresponding path program 1 times [2022-12-13 18:36:30,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:36:30,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98325554] [2022-12-13 18:36:30,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:36:30,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:36:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:36:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:36:30,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:36:30,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98325554] [2022-12-13 18:36:30,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98325554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:36:30,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:36:30,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:36:30,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165564863] [2022-12-13 18:36:30,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:36:30,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:36:30,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:36:30,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:36:30,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:36:30,415 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 208 [2022-12-13 18:36:30,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:36:30,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 208 [2022-12-13 18:36:30,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:36:30,491 INFO L130 PetriNetUnfolder]: 98/264 cut-off events. [2022-12-13 18:36:30,491 INFO L131 PetriNetUnfolder]: For 77/91 co-relation queries the response was YES. [2022-12-13 18:36:30,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 264 events. 98/264 cut-off events. For 77/91 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1183 event pairs, 55 based on Foata normal form. 3/228 useless extension candidates. Maximal degree in co-relation 590. Up to 155 conditions per place. [2022-12-13 18:36:30,493 INFO L137 encePairwiseOnDemand]: 206/208 looper letters, 29 selfloop transitions, 1 changer transitions 3/44 dead transitions. [2022-12-13 18:36:30,494 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 44 transitions, 205 flow [2022-12-13 18:36:30,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:36:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:36:30,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2022-12-13 18:36:30,496 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5352564102564102 [2022-12-13 18:36:30,496 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions. [2022-12-13 18:36:30,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions. [2022-12-13 18:36:30,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:36:30,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions. [2022-12-13 18:36:30,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,498 INFO L175 Difference]: Start difference. First operand has 37 places, 33 transitions, 105 flow. Second operand 3 states and 334 transitions. [2022-12-13 18:36:30,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 44 transitions, 205 flow [2022-12-13 18:36:30,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 44 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:36:30,499 INFO L231 Difference]: Finished difference. Result has 37 places, 32 transitions, 102 flow [2022-12-13 18:36:30,500 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, 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} [2022-12-13 18:36:30,500 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 3 predicate places. [2022-12-13 18:36:30,500 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 102 flow [2022-12-13 18:36:30,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,500 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:36:30,500 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:36:30,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:36:30,501 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)] === [2022-12-13 18:36:30,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:36:30,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1970783065, now seen corresponding path program 1 times [2022-12-13 18:36:30,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:36:30,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022874428] [2022-12-13 18:36:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:36:30,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:36:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:36:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:36:30,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:36:30,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022874428] [2022-12-13 18:36:30,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022874428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:36:30,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:36:30,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:36:30,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538140322] [2022-12-13 18:36:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:36:30,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:36:30,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:36:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:36:30,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:36:30,563 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 208 [2022-12-13 18:36:30,564 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:36:30,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 208 [2022-12-13 18:36:30,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:36:30,619 INFO L130 PetriNetUnfolder]: 67/206 cut-off events. [2022-12-13 18:36:30,619 INFO L131 PetriNetUnfolder]: For 29/36 co-relation queries the response was YES. [2022-12-13 18:36:30,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 206 events. 67/206 cut-off events. For 29/36 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 846 event pairs, 22 based on Foata normal form. 10/185 useless extension candidates. Maximal degree in co-relation 448. Up to 94 conditions per place. [2022-12-13 18:36:30,620 INFO L137 encePairwiseOnDemand]: 202/208 looper letters, 20 selfloop transitions, 5 changer transitions 9/42 dead transitions. [2022-12-13 18:36:30,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 42 transitions, 190 flow [2022-12-13 18:36:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:36:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:36:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2022-12-13 18:36:30,621 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5256410256410257 [2022-12-13 18:36:30,621 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2022-12-13 18:36:30,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2022-12-13 18:36:30,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:36:30,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2022-12-13 18:36:30,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,623 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,624 INFO L175 Difference]: Start difference. First operand has 37 places, 32 transitions, 102 flow. Second operand 3 states and 328 transitions. [2022-12-13 18:36:30,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 42 transitions, 190 flow [2022-12-13 18:36:30,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 42 transitions, 182 flow, removed 1 selfloop flow, removed 3 redundant places. [2022-12-13 18:36:30,625 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 96 flow [2022-12-13 18:36:30,625 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, 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} [2022-12-13 18:36:30,625 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 2 predicate places. [2022-12-13 18:36:30,626 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 96 flow [2022-12-13 18:36:30,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,626 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:36:30,626 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:36:30,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:36:30,626 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)] === [2022-12-13 18:36:30,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:36:30,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1711397176, now seen corresponding path program 1 times [2022-12-13 18:36:30,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:36:30,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51839388] [2022-12-13 18:36:30,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:36:30,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:36:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:36:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:36:30,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:36:30,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51839388] [2022-12-13 18:36:30,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51839388] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:36:30,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:36:30,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:36:30,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431807010] [2022-12-13 18:36:30,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:36:30,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:36:30,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:36:30,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:36:30,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:36:30,670 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 208 [2022-12-13 18:36:30,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:36:30,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 208 [2022-12-13 18:36:30,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:36:30,723 INFO L130 PetriNetUnfolder]: 79/209 cut-off events. [2022-12-13 18:36:30,723 INFO L131 PetriNetUnfolder]: For 61/63 co-relation queries the response was YES. [2022-12-13 18:36:30,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 209 events. 79/209 cut-off events. For 61/63 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 778 event pairs, 46 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 553. Up to 157 conditions per place. [2022-12-13 18:36:30,724 INFO L137 encePairwiseOnDemand]: 203/208 looper letters, 23 selfloop transitions, 3 changer transitions 9/38 dead transitions. [2022-12-13 18:36:30,724 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 38 transitions, 202 flow [2022-12-13 18:36:30,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:36:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:36:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2022-12-13 18:36:30,725 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5128205128205128 [2022-12-13 18:36:30,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 320 transitions. [2022-12-13 18:36:30,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 320 transitions. [2022-12-13 18:36:30,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:36:30,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 320 transitions. [2022-12-13 18:36:30,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,732 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,733 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 96 flow. Second operand 3 states and 320 transitions. [2022-12-13 18:36:30,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 38 transitions, 202 flow [2022-12-13 18:36:30,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 38 transitions, 192 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 18:36:30,734 INFO L231 Difference]: Finished difference. Result has 38 places, 28 transitions, 107 flow [2022-12-13 18:36:30,734 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, 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} [2022-12-13 18:36:30,734 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 4 predicate places. [2022-12-13 18:36:30,734 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 107 flow [2022-12-13 18:36:30,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,735 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:36:30,735 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:36:30,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:36:30,735 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)] === [2022-12-13 18:36:30,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:36:30,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1865565321, now seen corresponding path program 1 times [2022-12-13 18:36:30,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:36:30,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124999498] [2022-12-13 18:36:30,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:36:30,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:36:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:36:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:36:30,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:36:30,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124999498] [2022-12-13 18:36:30,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124999498] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:36:30,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:36:30,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:36:30,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619770686] [2022-12-13 18:36:30,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:36:30,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:36:30,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:36:30,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:36:30,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:36:30,857 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 208 [2022-12-13 18:36:30,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 107 flow. Second operand has 4 states, 4 states have (on average 101.75) internal successors, (407), 4 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:36:30,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 208 [2022-12-13 18:36:30,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:36:30,880 INFO L130 PetriNetUnfolder]: 8/53 cut-off events. [2022-12-13 18:36:30,880 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-13 18:36:30,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 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 87 event pairs, 0 based on Foata normal form. 5/57 useless extension candidates. Maximal degree in co-relation 125. Up to 36 conditions per place. [2022-12-13 18:36:30,881 INFO L137 encePairwiseOnDemand]: 204/208 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2022-12-13 18:36:30,881 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 22 transitions, 107 flow [2022-12-13 18:36:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:36:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 18:36:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 414 transitions. [2022-12-13 18:36:30,882 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49759615384615385 [2022-12-13 18:36:30,882 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 414 transitions. [2022-12-13 18:36:30,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 414 transitions. [2022-12-13 18:36:30,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:36:30,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 414 transitions. [2022-12-13 18:36:30,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,885 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,885 INFO L175 Difference]: Start difference. First operand has 38 places, 28 transitions, 107 flow. Second operand 4 states and 414 transitions. [2022-12-13 18:36:30,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 22 transitions, 107 flow [2022-12-13 18:36:30,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 22 transitions, 86 flow, removed 3 selfloop flow, removed 6 redundant places. [2022-12-13 18:36:30,886 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2022-12-13 18:36:30,886 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, 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} [2022-12-13 18:36:30,887 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, -3 predicate places. [2022-12-13 18:36:30,887 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2022-12-13 18:36:30,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 101.75) internal successors, (407), 4 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:36:30,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-12-13 18:36:30,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-12-13 18:36:30,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-12-13 18:36:30,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2022-12-13 18:36:30,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-12-13 18:36:30,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-12-13 18:36:30,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-12-13 18:36:30,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-12-13 18:36:30,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-12-13 18:36:30,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-12-13 18:36:30,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:36:30,891 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:36:30,897 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 18:36:30,897 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:36:30,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:36:30 BasicIcfg [2022-12-13 18:36:30,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:36:30,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:36:30,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:36:30,902 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:36:30,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:36:26" (3/4) ... [2022-12-13 18:36:30,905 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:36:30,910 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 18:36:30,913 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-13 18:36:30,913 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:36:30,913 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:36:30,913 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:36:30,942 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:36:30,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:36:30,943 INFO L158 Benchmark]: Toolchain (without parser) took 4634.58ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 50.9MB in the end (delta: 34.6MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-12-13 18:36:30,943 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:36:30,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.56ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 66.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:36:30,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.60ms. Allocated memory is still 121.6MB. Free memory was 66.2MB in the beginning and 64.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:36:30,944 INFO L158 Benchmark]: Boogie Preprocessor took 16.26ms. Allocated memory is still 121.6MB. Free memory was 64.1MB in the beginning and 62.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:36:30,944 INFO L158 Benchmark]: RCFGBuilder took 330.30ms. Allocated memory is still 121.6MB. Free memory was 62.4MB in the beginning and 48.1MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:36:30,945 INFO L158 Benchmark]: TraceAbstraction took 3924.42ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 54.1MB in the end (delta: 38.0MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-12-13 18:36:30,945 INFO L158 Benchmark]: Witness Printer took 40.19ms. Allocated memory is still 121.6MB. Free memory was 54.1MB in the beginning and 50.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:36:30,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.56ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 66.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.60ms. Allocated memory is still 121.6MB. Free memory was 66.2MB in the beginning and 64.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.26ms. Allocated memory is still 121.6MB. Free memory was 64.1MB in the beginning and 62.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.30ms. Allocated memory is still 121.6MB. Free memory was 62.4MB in the beginning and 48.1MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3924.42ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 54.1MB in the end (delta: 38.0MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Witness Printer took 40.19ms. Allocated memory is still 121.6MB. Free memory was 54.1MB in the beginning and 50.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 105 PlacesBefore, 34 PlacesAfterwards, 104 TransitionsBefore, 32 TransitionsAfterwards, 1728 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 95 TotalNumberOfCompositions, 5769 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2936, independent: 2604, independent conditional: 0, independent unconditional: 2604, dependent: 332, dependent conditional: 0, dependent unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 998, independent: 949, independent conditional: 0, independent unconditional: 949, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2936, independent: 1655, independent conditional: 0, independent unconditional: 1655, dependent: 283, dependent conditional: 0, dependent unconditional: 283, unknown: 998, unknown conditional: 0, unknown unconditional: 998] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, 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, 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: 3.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 291 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 435 IncrementalHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 53 mSDtfsCounter, 435 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, 0.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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! [2022-12-13 18:36:30,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_506473b2-4866-457a-9c8d-0291be23a6da/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE