./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c --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_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/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_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/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_fbeeaff3-4554-448a-be38-4faa1739704b/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 d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 --- 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 19:47:05,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:47:05,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:47:05,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:47:05,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:47:05,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:47:05,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:47:05,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:47:05,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:47:05,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:47:05,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:47:05,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:47:05,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:47:05,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:47:05,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:47:05,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:47:05,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:47:05,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:47:05,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:47:05,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:47:05,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:47:05,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:47:05,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:47:05,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:47:05,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:47:05,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:47:05,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:47:05,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:47:05,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:47:05,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:47:05,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:47:05,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:47:05,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:47:05,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:47:05,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:47:05,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:47:05,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:47:05,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:47:05,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:47:05,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:47:05,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:47:05,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 19:47:05,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:47:05,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:47:05,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:47:05,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:47:05,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:47:05,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:47:05,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:47:05,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:47:05,849 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:47:05,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:47:05,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:47:05,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:47:05,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:47:05,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:47:05,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:47:05,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:47:05,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:47:05,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:47:05,856 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 19:47:05,856 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:47:05,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:47:05,857 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:47:05,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:47:05,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:47:05,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:47:05,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:47:05,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:47:05,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:47:05,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:47:05,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:47:05,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:47:05,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:47:05,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:47:05,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:47:05,859 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:47:05,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:47:05,860 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:47:05,860 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_fbeeaff3-4554-448a-be38-4faa1739704b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 [2022-12-13 19:47:06,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:47:06,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:47:06,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:47:06,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:47:06,083 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:47:06,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2022-12-13 19:47:08,736 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:47:08,897 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:47:08,898 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2022-12-13 19:47:08,903 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/data/8e8409921/061d1348a37a4ab0a190a16fb2962b71/FLAG4e230026e [2022-12-13 19:47:08,914 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/data/8e8409921/061d1348a37a4ab0a190a16fb2962b71 [2022-12-13 19:47:08,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:47:08,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:47:08,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:47:08,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:47:08,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:47:08,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:47:08" (1/1) ... [2022-12-13 19:47:08,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109ce11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:08, skipping insertion in model container [2022-12-13 19:47:08,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:47:08" (1/1) ... [2022-12-13 19:47:08,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:47:08,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:47:09,081 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_fbeeaff3-4554-448a-be38-4faa1739704b/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c[2781,2794] [2022-12-13 19:47:09,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:47:09,094 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:47:09,121 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_fbeeaff3-4554-448a-be38-4faa1739704b/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c[2781,2794] [2022-12-13 19:47:09,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:47:09,136 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:47:09,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09 WrapperNode [2022-12-13 19:47:09,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:47:09,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:47:09,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:47:09,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:47:09,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,183 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 508 [2022-12-13 19:47:09,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:47:09,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:47:09,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:47:09,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:47:09,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,217 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:47:09,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:47:09,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:47:09,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:47:09,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (1/1) ... [2022-12-13 19:47:09,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:47:09,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:47:09,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:47:09,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:47:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:47:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:47:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:47:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:47:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 19:47:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 19:47:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 19:47:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 19:47:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 19:47:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 19:47:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:47:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:47:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:47:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:47:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:47:09,286 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 19:47:09,394 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:47:09,396 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:47:10,019 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:47:10,030 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:47:10,030 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 19:47:10,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:47:10 BoogieIcfgContainer [2022-12-13 19:47:10,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:47:10,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:47:10,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:47:10,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:47:10,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:47:08" (1/3) ... [2022-12-13 19:47:10,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2281293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:47:10, skipping insertion in model container [2022-12-13 19:47:10,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:47:09" (2/3) ... [2022-12-13 19:47:10,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2281293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:47:10, skipping insertion in model container [2022-12-13 19:47:10,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:47:10" (3/3) ... [2022-12-13 19:47:10,041 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2022-12-13 19:47:10,049 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 19:47:10,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:47:10,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-12-13 19:47:10,060 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 19:47:10,194 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 19:47:10,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 627 places, 650 transitions, 1324 flow [2022-12-13 19:47:10,469 INFO L130 PetriNetUnfolder]: 33/647 cut-off events. [2022-12-13 19:47:10,469 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 19:47:10,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 660 conditions, 647 events. 33/647 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1513 event pairs, 0 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 460. Up to 3 conditions per place. [2022-12-13 19:47:10,488 INFO L82 GeneralOperation]: Start removeDead. Operand has 627 places, 650 transitions, 1324 flow [2022-12-13 19:47:10,500 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 603 places, 624 transitions, 1266 flow [2022-12-13 19:47:10,503 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 19:47:10,514 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 603 places, 624 transitions, 1266 flow [2022-12-13 19:47:10,516 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 603 places, 624 transitions, 1266 flow [2022-12-13 19:47:10,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 603 places, 624 transitions, 1266 flow [2022-12-13 19:47:10,624 INFO L130 PetriNetUnfolder]: 31/624 cut-off events. [2022-12-13 19:47:10,624 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 19:47:10,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 624 events. 31/624 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1494 event pairs, 0 based on Foata normal form. 0/532 useless extension candidates. Maximal degree in co-relation 460. Up to 3 conditions per place. [2022-12-13 19:47:10,654 INFO L119 LiptonReduction]: Number of co-enabled transitions 94392 [2022-12-13 19:47:20,586 INFO L134 LiptonReduction]: Checked pairs total: 501825 [2022-12-13 19:47:20,586 INFO L136 LiptonReduction]: Total number of compositions: 550 [2022-12-13 19:47:20,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:47:20,604 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;@4080d3a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:47:20,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 107 error locations. [2022-12-13 19:47:20,605 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 19:47:20,605 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:47:20,605 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:20,606 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 19:47:20,606 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:20,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:20,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2344, now seen corresponding path program 1 times [2022-12-13 19:47:20,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:20,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096272585] [2022-12-13 19:47:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:20,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:20,710 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 19:47:20,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:20,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096272585] [2022-12-13 19:47:20,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096272585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:20,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:20,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 19:47:20,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821093344] [2022-12-13 19:47:20,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:20,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:47:20,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:20,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:47:20,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:47:20,741 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 1200 [2022-12-13 19:47:20,744 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 220 transitions, 458 flow. Second operand has 2 states, 2 states have (on average 623.5) internal successors, (1247), 2 states have internal predecessors, (1247), 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 19:47:20,744 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:20,744 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 1200 [2022-12-13 19:47:20,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:23,194 INFO L130 PetriNetUnfolder]: 7533/26982 cut-off events. [2022-12-13 19:47:23,194 INFO L131 PetriNetUnfolder]: For 447/527 co-relation queries the response was YES. [2022-12-13 19:47:23,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37384 conditions, 26982 events. 7533/26982 cut-off events. For 447/527 co-relation queries the response was YES. Maximal size of possible extension queue 721. Compared 328158 event pairs, 5388 based on Foata normal form. 2075/23788 useless extension candidates. Maximal degree in co-relation 34447. Up to 10085 conditions per place. [2022-12-13 19:47:23,336 INFO L137 encePairwiseOnDemand]: 1174/1200 looper letters, 54 selfloop transitions, 0 changer transitions 1/194 dead transitions. [2022-12-13 19:47:23,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 194 transitions, 516 flow [2022-12-13 19:47:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:47:23,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 19:47:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1327 transitions. [2022-12-13 19:47:23,352 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5529166666666666 [2022-12-13 19:47:23,352 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1327 transitions. [2022-12-13 19:47:23,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1327 transitions. [2022-12-13 19:47:23,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:23,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1327 transitions. [2022-12-13 19:47:23,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 663.5) internal successors, (1327), 2 states have internal predecessors, (1327), 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 19:47:23,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1200.0) internal successors, (3600), 3 states have internal predecessors, (3600), 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 19:47:23,374 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1200.0) internal successors, (3600), 3 states have internal predecessors, (3600), 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 19:47:23,375 INFO L175 Difference]: Start difference. First operand has 215 places, 220 transitions, 458 flow. Second operand 2 states and 1327 transitions. [2022-12-13 19:47:23,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 194 transitions, 516 flow [2022-12-13 19:47:23,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 194 transitions, 504 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 19:47:23,386 INFO L231 Difference]: Finished difference. Result has 187 places, 193 transitions, 391 flow [2022-12-13 19:47:23,387 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=391, PETRI_PLACES=187, PETRI_TRANSITIONS=193} [2022-12-13 19:47:23,390 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -28 predicate places. [2022-12-13 19:47:23,390 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 193 transitions, 391 flow [2022-12-13 19:47:23,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 623.5) internal successors, (1247), 2 states have internal predecessors, (1247), 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 19:47:23,391 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:23,391 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:23,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:47:23,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:23,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:23,393 INFO L85 PathProgramCache]: Analyzing trace with hash -541501172, now seen corresponding path program 1 times [2022-12-13 19:47:23,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:23,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406878792] [2022-12-13 19:47:23,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:23,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:23,529 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 19:47:23,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:23,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406878792] [2022-12-13 19:47:23,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406878792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:23,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:23,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:47:23,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624227134] [2022-12-13 19:47:23,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:23,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:47:23,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:23,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:47:23,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:47:23,549 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1200 [2022-12-13 19:47:23,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 193 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 609.3333333333334) internal successors, (1828), 3 states have internal predecessors, (1828), 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 19:47:23,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:23,552 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1200 [2022-12-13 19:47:23,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:26,196 INFO L130 PetriNetUnfolder]: 11708/38538 cut-off events. [2022-12-13 19:47:26,197 INFO L131 PetriNetUnfolder]: For 153/354 co-relation queries the response was YES. [2022-12-13 19:47:26,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54453 conditions, 38538 events. 11708/38538 cut-off events. For 153/354 co-relation queries the response was YES. Maximal size of possible extension queue 984. Compared 475214 event pairs, 8819 based on Foata normal form. 0/31208 useless extension candidates. Maximal degree in co-relation 54450. Up to 15768 conditions per place. [2022-12-13 19:47:26,365 INFO L137 encePairwiseOnDemand]: 1195/1200 looper letters, 58 selfloop transitions, 1 changer transitions 0/189 dead transitions. [2022-12-13 19:47:26,366 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 189 transitions, 501 flow [2022-12-13 19:47:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:47:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:47:26,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1884 transitions. [2022-12-13 19:47:26,370 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5233333333333333 [2022-12-13 19:47:26,370 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1884 transitions. [2022-12-13 19:47:26,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1884 transitions. [2022-12-13 19:47:26,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:26,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1884 transitions. [2022-12-13 19:47:26,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 628.0) internal successors, (1884), 3 states have internal predecessors, (1884), 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 19:47:26,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:26,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:26,382 INFO L175 Difference]: Start difference. First operand has 187 places, 193 transitions, 391 flow. Second operand 3 states and 1884 transitions. [2022-12-13 19:47:26,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 189 transitions, 501 flow [2022-12-13 19:47:26,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 189 transitions, 501 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:47:26,386 INFO L231 Difference]: Finished difference. Result has 184 places, 189 transitions, 385 flow [2022-12-13 19:47:26,387 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=184, PETRI_TRANSITIONS=189} [2022-12-13 19:47:26,387 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -31 predicate places. [2022-12-13 19:47:26,388 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 189 transitions, 385 flow [2022-12-13 19:47:26,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 609.3333333333334) internal successors, (1828), 3 states have internal predecessors, (1828), 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 19:47:26,389 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:26,389 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:26,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:47:26,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:26,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:26,390 INFO L85 PathProgramCache]: Analyzing trace with hash -691536402, now seen corresponding path program 1 times [2022-12-13 19:47:26,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:26,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707233879] [2022-12-13 19:47:26,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:26,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:26,475 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 19:47:26,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:26,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707233879] [2022-12-13 19:47:26,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707233879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:26,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:26,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:47:26,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550797854] [2022-12-13 19:47:26,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:26,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:47:26,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:26,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:47:26,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:47:26,498 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1200 [2022-12-13 19:47:26,501 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 189 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 609.6666666666666) internal successors, (1829), 3 states have internal predecessors, (1829), 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 19:47:26,501 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:26,502 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1200 [2022-12-13 19:47:26,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:28,986 INFO L130 PetriNetUnfolder]: 10197/34161 cut-off events. [2022-12-13 19:47:28,987 INFO L131 PetriNetUnfolder]: For 145/328 co-relation queries the response was YES. [2022-12-13 19:47:29,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47968 conditions, 34161 events. 10197/34161 cut-off events. For 145/328 co-relation queries the response was YES. Maximal size of possible extension queue 917. Compared 421295 event pairs, 7524 based on Foata normal form. 0/27840 useless extension candidates. Maximal degree in co-relation 47964. Up to 13689 conditions per place. [2022-12-13 19:47:29,119 INFO L137 encePairwiseOnDemand]: 1195/1200 looper letters, 57 selfloop transitions, 1 changer transitions 0/185 dead transitions. [2022-12-13 19:47:29,120 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 185 transitions, 493 flow [2022-12-13 19:47:29,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:47:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:47:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1883 transitions. [2022-12-13 19:47:29,123 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5230555555555556 [2022-12-13 19:47:29,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1883 transitions. [2022-12-13 19:47:29,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1883 transitions. [2022-12-13 19:47:29,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:29,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1883 transitions. [2022-12-13 19:47:29,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 627.6666666666666) internal successors, (1883), 3 states have internal predecessors, (1883), 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 19:47:29,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:29,130 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:29,130 INFO L175 Difference]: Start difference. First operand has 184 places, 189 transitions, 385 flow. Second operand 3 states and 1883 transitions. [2022-12-13 19:47:29,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 185 transitions, 493 flow [2022-12-13 19:47:29,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 185 transitions, 492 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:47:29,133 INFO L231 Difference]: Finished difference. Result has 181 places, 185 transitions, 378 flow [2022-12-13 19:47:29,133 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=181, PETRI_TRANSITIONS=185} [2022-12-13 19:47:29,134 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -34 predicate places. [2022-12-13 19:47:29,134 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 185 transitions, 378 flow [2022-12-13 19:47:29,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 609.6666666666666) internal successors, (1829), 3 states have internal predecessors, (1829), 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 19:47:29,136 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:29,136 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:29,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:47:29,136 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:29,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1595230083, now seen corresponding path program 1 times [2022-12-13 19:47:29,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:29,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091266018] [2022-12-13 19:47:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:29,208 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 19:47:29,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:29,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091266018] [2022-12-13 19:47:29,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091266018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:29,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:29,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:47:29,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604774670] [2022-12-13 19:47:29,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:29,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:47:29,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:47:29,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:47:29,225 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1200 [2022-12-13 19:47:29,227 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 185 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 610.3333333333334) internal successors, (1831), 3 states have internal predecessors, (1831), 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 19:47:29,227 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:29,227 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1200 [2022-12-13 19:47:29,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:31,164 INFO L130 PetriNetUnfolder]: 8874/30255 cut-off events. [2022-12-13 19:47:31,164 INFO L131 PetriNetUnfolder]: For 147/291 co-relation queries the response was YES. [2022-12-13 19:47:31,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42265 conditions, 30255 events. 8874/30255 cut-off events. For 147/291 co-relation queries the response was YES. Maximal size of possible extension queue 809. Compared 368976 event pairs, 6465 based on Foata normal form. 0/24524 useless extension candidates. Maximal degree in co-relation 42261. Up to 11900 conditions per place. [2022-12-13 19:47:31,302 INFO L137 encePairwiseOnDemand]: 1195/1200 looper letters, 55 selfloop transitions, 1 changer transitions 0/181 dead transitions. [2022-12-13 19:47:31,302 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 181 transitions, 482 flow [2022-12-13 19:47:31,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:47:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:47:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1881 transitions. [2022-12-13 19:47:31,305 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5225 [2022-12-13 19:47:31,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1881 transitions. [2022-12-13 19:47:31,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1881 transitions. [2022-12-13 19:47:31,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:31,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1881 transitions. [2022-12-13 19:47:31,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 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 19:47:31,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:31,398 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:31,398 INFO L175 Difference]: Start difference. First operand has 181 places, 185 transitions, 378 flow. Second operand 3 states and 1881 transitions. [2022-12-13 19:47:31,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 181 transitions, 482 flow [2022-12-13 19:47:31,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 181 transitions, 481 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:47:31,401 INFO L231 Difference]: Finished difference. Result has 178 places, 181 transitions, 371 flow [2022-12-13 19:47:31,401 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=178, PETRI_TRANSITIONS=181} [2022-12-13 19:47:31,402 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -37 predicate places. [2022-12-13 19:47:31,402 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 181 transitions, 371 flow [2022-12-13 19:47:31,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 610.3333333333334) internal successors, (1831), 3 states have internal predecessors, (1831), 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 19:47:31,403 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:31,403 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:31,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:47:31,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:31,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:31,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1120695200, now seen corresponding path program 1 times [2022-12-13 19:47:31,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:31,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042868231] [2022-12-13 19:47:31,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:31,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:31,449 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 19:47:31,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:31,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042868231] [2022-12-13 19:47:31,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042868231] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:31,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:31,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:47:31,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582756494] [2022-12-13 19:47:31,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:31,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:47:31,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:31,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:47:31,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:47:31,461 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 1200 [2022-12-13 19:47:31,463 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 181 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 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 19:47:31,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:31,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 1200 [2022-12-13 19:47:31,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:34,204 INFO L130 PetriNetUnfolder]: 8248/28204 cut-off events. [2022-12-13 19:47:34,204 INFO L131 PetriNetUnfolder]: For 130/130 co-relation queries the response was YES. [2022-12-13 19:47:34,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39364 conditions, 28204 events. 8248/28204 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 709. Compared 339309 event pairs, 5388 based on Foata normal form. 0/22793 useless extension candidates. Maximal degree in co-relation 39360. Up to 10084 conditions per place. [2022-12-13 19:47:34,307 INFO L137 encePairwiseOnDemand]: 1197/1200 looper letters, 84 selfloop transitions, 2 changer transitions 0/213 dead transitions. [2022-12-13 19:47:34,307 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 213 transitions, 609 flow [2022-12-13 19:47:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:47:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:47:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1932 transitions. [2022-12-13 19:47:34,310 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5366666666666666 [2022-12-13 19:47:34,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1932 transitions. [2022-12-13 19:47:34,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1932 transitions. [2022-12-13 19:47:34,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:34,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1932 transitions. [2022-12-13 19:47:34,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 644.0) internal successors, (1932), 3 states have internal predecessors, (1932), 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 19:47:34,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:34,318 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:34,318 INFO L175 Difference]: Start difference. First operand has 178 places, 181 transitions, 371 flow. Second operand 3 states and 1932 transitions. [2022-12-13 19:47:34,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 213 transitions, 609 flow [2022-12-13 19:47:34,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 213 transitions, 608 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:47:34,321 INFO L231 Difference]: Finished difference. Result has 180 places, 182 transitions, 382 flow [2022-12-13 19:47:34,321 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=180, PETRI_TRANSITIONS=182} [2022-12-13 19:47:34,321 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -35 predicate places. [2022-12-13 19:47:34,321 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 182 transitions, 382 flow [2022-12-13 19:47:34,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 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 19:47:34,322 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:34,322 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:34,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:47:34,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:34,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:34,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1247571706, now seen corresponding path program 1 times [2022-12-13 19:47:34,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:34,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200238939] [2022-12-13 19:47:34,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:34,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:34,615 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 19:47:34,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:34,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200238939] [2022-12-13 19:47:34,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200238939] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:34,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:34,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:47:34,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581241415] [2022-12-13 19:47:34,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:34,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:47:34,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:34,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:47:34,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:47:35,263 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1200 [2022-12-13 19:47:35,265 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 182 transitions, 382 flow. Second operand has 6 states, 6 states have (on average 604.3333333333334) internal successors, (3626), 6 states have internal predecessors, (3626), 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 19:47:35,265 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:35,265 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1200 [2022-12-13 19:47:35,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:38,786 INFO L130 PetriNetUnfolder]: 24984/46584 cut-off events. [2022-12-13 19:47:38,787 INFO L131 PetriNetUnfolder]: For 3619/3619 co-relation queries the response was YES. [2022-12-13 19:47:38,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82771 conditions, 46584 events. 24984/46584 cut-off events. For 3619/3619 co-relation queries the response was YES. Maximal size of possible extension queue 1310. Compared 435208 event pairs, 2344 based on Foata normal form. 0/37345 useless extension candidates. Maximal degree in co-relation 82766. Up to 11554 conditions per place. [2022-12-13 19:47:39,034 INFO L137 encePairwiseOnDemand]: 1195/1200 looper letters, 207 selfloop transitions, 4 changer transitions 0/333 dead transitions. [2022-12-13 19:47:39,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 333 transitions, 1146 flow [2022-12-13 19:47:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:47:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:47:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3819 transitions. [2022-12-13 19:47:39,039 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5304166666666666 [2022-12-13 19:47:39,039 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3819 transitions. [2022-12-13 19:47:39,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3819 transitions. [2022-12-13 19:47:39,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:39,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3819 transitions. [2022-12-13 19:47:39,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 636.5) internal successors, (3819), 6 states have internal predecessors, (3819), 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 19:47:39,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:47:39,052 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:47:39,052 INFO L175 Difference]: Start difference. First operand has 180 places, 182 transitions, 382 flow. Second operand 6 states and 3819 transitions. [2022-12-13 19:47:39,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 333 transitions, 1146 flow [2022-12-13 19:47:39,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 333 transitions, 1136 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:47:39,058 INFO L231 Difference]: Finished difference. Result has 183 places, 181 transitions, 386 flow [2022-12-13 19:47:39,059 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=183, PETRI_TRANSITIONS=181} [2022-12-13 19:47:39,059 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -32 predicate places. [2022-12-13 19:47:39,059 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 181 transitions, 386 flow [2022-12-13 19:47:39,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 604.3333333333334) internal successors, (3626), 6 states have internal predecessors, (3626), 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 19:47:39,061 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:39,061 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:39,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:47:39,061 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash -504271783, now seen corresponding path program 1 times [2022-12-13 19:47:39,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:39,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71400010] [2022-12-13 19:47:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:39,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:39,088 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 19:47:39,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:39,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71400010] [2022-12-13 19:47:39,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71400010] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:39,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:39,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:47:39,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949907446] [2022-12-13 19:47:39,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:39,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:47:39,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:39,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:47:39,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:47:39,099 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 1200 [2022-12-13 19:47:39,101 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 181 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 618.6666666666666) internal successors, (1856), 3 states have internal predecessors, (1856), 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 19:47:39,101 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:39,101 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 1200 [2022-12-13 19:47:39,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:41,390 INFO L130 PetriNetUnfolder]: 9090/31537 cut-off events. [2022-12-13 19:47:41,390 INFO L131 PetriNetUnfolder]: For 2240/2298 co-relation queries the response was YES. [2022-12-13 19:47:41,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46374 conditions, 31537 events. 9090/31537 cut-off events. For 2240/2298 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 387714 event pairs, 5965 based on Foata normal form. 0/25990 useless extension candidates. Maximal degree in co-relation 46369. Up to 11053 conditions per place. [2022-12-13 19:47:41,526 INFO L137 encePairwiseOnDemand]: 1197/1200 looper letters, 86 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2022-12-13 19:47:41,526 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 214 transitions, 640 flow [2022-12-13 19:47:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:47:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:47:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1932 transitions. [2022-12-13 19:47:41,529 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5366666666666666 [2022-12-13 19:47:41,529 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1932 transitions. [2022-12-13 19:47:41,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1932 transitions. [2022-12-13 19:47:41,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:41,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1932 transitions. [2022-12-13 19:47:41,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 644.0) internal successors, (1932), 3 states have internal predecessors, (1932), 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 19:47:41,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:41,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:41,535 INFO L175 Difference]: Start difference. First operand has 183 places, 181 transitions, 386 flow. Second operand 3 states and 1932 transitions. [2022-12-13 19:47:41,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 214 transitions, 640 flow [2022-12-13 19:47:41,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 214 transitions, 631 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 19:47:41,547 INFO L231 Difference]: Finished difference. Result has 182 places, 182 transitions, 391 flow [2022-12-13 19:47:41,547 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=182, PETRI_TRANSITIONS=182} [2022-12-13 19:47:41,547 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -33 predicate places. [2022-12-13 19:47:41,547 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 182 transitions, 391 flow [2022-12-13 19:47:41,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.6666666666666) internal successors, (1856), 3 states have internal predecessors, (1856), 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 19:47:41,548 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:41,548 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:41,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:47:41,548 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:41,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:41,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1066919964, now seen corresponding path program 1 times [2022-12-13 19:47:41,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:41,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531649671] [2022-12-13 19:47:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:41,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:41,573 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 19:47:41,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:41,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531649671] [2022-12-13 19:47:41,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531649671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:41,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:41,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:47:41,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861459089] [2022-12-13 19:47:41,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:41,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:47:41,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:41,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:47:41,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:47:41,587 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 1200 [2022-12-13 19:47:41,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 182 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 613.6666666666666) internal successors, (1841), 3 states have internal predecessors, (1841), 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 19:47:41,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:41,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 1200 [2022-12-13 19:47:41,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:45,271 INFO L130 PetriNetUnfolder]: 16779/45769 cut-off events. [2022-12-13 19:47:45,271 INFO L131 PetriNetUnfolder]: For 4085/4147 co-relation queries the response was YES. [2022-12-13 19:47:45,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73734 conditions, 45769 events. 16779/45769 cut-off events. For 4085/4147 co-relation queries the response was YES. Maximal size of possible extension queue 1074. Compared 538614 event pairs, 3812 based on Foata normal form. 0/39208 useless extension candidates. Maximal degree in co-relation 73728. Up to 17040 conditions per place. [2022-12-13 19:47:45,513 INFO L137 encePairwiseOnDemand]: 1194/1200 looper letters, 98 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2022-12-13 19:47:45,514 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 218 transitions, 685 flow [2022-12-13 19:47:45,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:47:45,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:47:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1930 transitions. [2022-12-13 19:47:45,517 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5361111111111111 [2022-12-13 19:47:45,518 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1930 transitions. [2022-12-13 19:47:45,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1930 transitions. [2022-12-13 19:47:45,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:45,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1930 transitions. [2022-12-13 19:47:45,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 643.3333333333334) internal successors, (1930), 3 states have internal predecessors, (1930), 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 19:47:45,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:45,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:45,527 INFO L175 Difference]: Start difference. First operand has 182 places, 182 transitions, 391 flow. Second operand 3 states and 1930 transitions. [2022-12-13 19:47:45,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 218 transitions, 685 flow [2022-12-13 19:47:45,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 218 transitions, 681 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:47:45,550 INFO L231 Difference]: Finished difference. Result has 180 places, 180 transitions, 399 flow [2022-12-13 19:47:45,550 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=180, PETRI_TRANSITIONS=180} [2022-12-13 19:47:45,551 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -35 predicate places. [2022-12-13 19:47:45,551 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 180 transitions, 399 flow [2022-12-13 19:47:45,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 613.6666666666666) internal successors, (1841), 3 states have internal predecessors, (1841), 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 19:47:45,552 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:45,552 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:45,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:47:45,552 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:45,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:45,553 INFO L85 PathProgramCache]: Analyzing trace with hash -300488235, now seen corresponding path program 1 times [2022-12-13 19:47:45,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:45,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219850773] [2022-12-13 19:47:45,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:45,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:45,597 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 19:47:45,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:45,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219850773] [2022-12-13 19:47:45,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219850773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:45,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:45,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:47:45,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333851971] [2022-12-13 19:47:45,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:45,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:47:45,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:45,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:47:45,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:47:45,609 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 1200 [2022-12-13 19:47:45,611 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 180 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 619.3333333333334) internal successors, (1858), 3 states have internal predecessors, (1858), 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 19:47:45,611 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:45,611 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 1200 [2022-12-13 19:47:45,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:48,889 INFO L130 PetriNetUnfolder]: 14138/41290 cut-off events. [2022-12-13 19:47:48,889 INFO L131 PetriNetUnfolder]: For 5735/5793 co-relation queries the response was YES. [2022-12-13 19:47:48,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66394 conditions, 41290 events. 14138/41290 cut-off events. For 5735/5793 co-relation queries the response was YES. Maximal size of possible extension queue 1048. Compared 494654 event pairs, 9666 based on Foata normal form. 0/36049 useless extension candidates. Maximal degree in co-relation 66388. Up to 17816 conditions per place. [2022-12-13 19:47:49,123 INFO L137 encePairwiseOnDemand]: 1197/1200 looper letters, 88 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2022-12-13 19:47:49,123 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 212 transitions, 675 flow [2022-12-13 19:47:49,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:47:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:47:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1928 transitions. [2022-12-13 19:47:49,127 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5355555555555556 [2022-12-13 19:47:49,127 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1928 transitions. [2022-12-13 19:47:49,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1928 transitions. [2022-12-13 19:47:49,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:49,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1928 transitions. [2022-12-13 19:47:49,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 642.6666666666666) internal successors, (1928), 3 states have internal predecessors, (1928), 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 19:47:49,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:49,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:49,133 INFO L175 Difference]: Start difference. First operand has 180 places, 180 transitions, 399 flow. Second operand 3 states and 1928 transitions. [2022-12-13 19:47:49,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 212 transitions, 675 flow [2022-12-13 19:47:49,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 212 transitions, 675 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:47:49,144 INFO L231 Difference]: Finished difference. Result has 183 places, 181 transitions, 411 flow [2022-12-13 19:47:49,144 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=183, PETRI_TRANSITIONS=181} [2022-12-13 19:47:49,145 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -32 predicate places. [2022-12-13 19:47:49,145 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 181 transitions, 411 flow [2022-12-13 19:47:49,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 619.3333333333334) internal successors, (1858), 3 states have internal predecessors, (1858), 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 19:47:49,145 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:49,145 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:49,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 19:47:49,146 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:49,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:49,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1165719339, now seen corresponding path program 1 times [2022-12-13 19:47:49,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:49,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746458036] [2022-12-13 19:47:49,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:49,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:49,179 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 19:47:49,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:49,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746458036] [2022-12-13 19:47:49,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746458036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:49,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:49,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:47:49,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076429644] [2022-12-13 19:47:49,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:49,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:47:49,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:49,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:47:49,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:47:49,193 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 1200 [2022-12-13 19:47:49,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 181 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 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 19:47:49,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:49,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 1200 [2022-12-13 19:47:49,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:53,225 INFO L130 PetriNetUnfolder]: 26375/57505 cut-off events. [2022-12-13 19:47:53,225 INFO L131 PetriNetUnfolder]: For 12811/12869 co-relation queries the response was YES. [2022-12-13 19:47:53,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107087 conditions, 57505 events. 26375/57505 cut-off events. For 12811/12869 co-relation queries the response was YES. Maximal size of possible extension queue 1621. Compared 617393 event pairs, 6487 based on Foata normal form. 0/52613 useless extension candidates. Maximal degree in co-relation 107079. Up to 27139 conditions per place. [2022-12-13 19:47:53,598 INFO L137 encePairwiseOnDemand]: 1194/1200 looper letters, 105 selfloop transitions, 2 changer transitions 0/218 dead transitions. [2022-12-13 19:47:53,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 218 transitions, 743 flow [2022-12-13 19:47:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:47:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:47:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1931 transitions. [2022-12-13 19:47:53,601 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5363888888888889 [2022-12-13 19:47:53,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1931 transitions. [2022-12-13 19:47:53,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1931 transitions. [2022-12-13 19:47:53,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:47:53,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1931 transitions. [2022-12-13 19:47:53,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 643.6666666666666) internal successors, (1931), 3 states have internal predecessors, (1931), 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 19:47:53,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:53,606 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:47:53,606 INFO L175 Difference]: Start difference. First operand has 183 places, 181 transitions, 411 flow. Second operand 3 states and 1931 transitions. [2022-12-13 19:47:53,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 218 transitions, 743 flow [2022-12-13 19:47:53,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 218 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:47:53,687 INFO L231 Difference]: Finished difference. Result has 181 places, 179 transitions, 417 flow [2022-12-13 19:47:53,687 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=181, PETRI_TRANSITIONS=179} [2022-12-13 19:47:53,687 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -34 predicate places. [2022-12-13 19:47:53,687 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 179 transitions, 417 flow [2022-12-13 19:47:53,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 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 19:47:53,688 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:47:53,688 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:47:53,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 19:47:53,688 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:47:53,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:47:53,688 INFO L85 PathProgramCache]: Analyzing trace with hash -204588184, now seen corresponding path program 1 times [2022-12-13 19:47:53,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:47:53,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088631950] [2022-12-13 19:47:53,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:47:53,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:47:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:47:53,765 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 19:47:53,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:47:53,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088631950] [2022-12-13 19:47:53,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088631950] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:47:53,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:47:53,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:47:53,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598791267] [2022-12-13 19:47:53,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:47:53,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:47:53,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:47:53,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:47:53,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:47:53,908 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1200 [2022-12-13 19:47:53,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 179 transitions, 417 flow. Second operand has 5 states, 5 states have (on average 609.0) internal successors, (3045), 5 states have internal predecessors, (3045), 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 19:47:53,911 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:47:53,911 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1200 [2022-12-13 19:47:53,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:47:59,880 INFO L130 PetriNetUnfolder]: 30219/79893 cut-off events. [2022-12-13 19:47:59,880 INFO L131 PetriNetUnfolder]: For 15825/15986 co-relation queries the response was YES. [2022-12-13 19:48:00,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139359 conditions, 79893 events. 30219/79893 cut-off events. For 15825/15986 co-relation queries the response was YES. Maximal size of possible extension queue 2064. Compared 1008243 event pairs, 20328 based on Foata normal form. 642/73398 useless extension candidates. Maximal degree in co-relation 139351. Up to 27427 conditions per place. [2022-12-13 19:48:00,267 INFO L137 encePairwiseOnDemand]: 1195/1200 looper letters, 141 selfloop transitions, 4 changer transitions 0/264 dead transitions. [2022-12-13 19:48:00,267 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 264 transitions, 950 flow [2022-12-13 19:48:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:48:00,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 19:48:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3167 transitions. [2022-12-13 19:48:00,271 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5278333333333334 [2022-12-13 19:48:00,271 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3167 transitions. [2022-12-13 19:48:00,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3167 transitions. [2022-12-13 19:48:00,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:00,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3167 transitions. [2022-12-13 19:48:00,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 633.4) internal successors, (3167), 5 states have internal predecessors, (3167), 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 19:48:00,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1200.0) internal successors, (7200), 6 states have internal predecessors, (7200), 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 19:48:00,279 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1200.0) internal successors, (7200), 6 states have internal predecessors, (7200), 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 19:48:00,279 INFO L175 Difference]: Start difference. First operand has 181 places, 179 transitions, 417 flow. Second operand 5 states and 3167 transitions. [2022-12-13 19:48:00,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 264 transitions, 950 flow [2022-12-13 19:48:00,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 264 transitions, 950 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:48:00,348 INFO L231 Difference]: Finished difference. Result has 188 places, 182 transitions, 446 flow [2022-12-13 19:48:00,348 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=446, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2022-12-13 19:48:00,349 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -27 predicate places. [2022-12-13 19:48:00,349 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 446 flow [2022-12-13 19:48:00,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 609.0) internal successors, (3045), 5 states have internal predecessors, (3045), 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 19:48:00,349 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:48:00,349 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:00,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 19:48:00,350 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:48:00,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:00,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1206352558, now seen corresponding path program 1 times [2022-12-13 19:48:00,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:00,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106526217] [2022-12-13 19:48:00,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:00,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 19:48:00,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:00,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106526217] [2022-12-13 19:48:00,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106526217] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:48:00,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:48:00,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:48:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882421882] [2022-12-13 19:48:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:48:00,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:48:00,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:00,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:48:00,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:48:00,685 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 1200 [2022-12-13 19:48:00,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 446 flow. Second operand has 6 states, 6 states have (on average 600.8333333333334) internal successors, (3605), 6 states have internal predecessors, (3605), 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 19:48:00,686 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:48:00,686 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 1200 [2022-12-13 19:48:00,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:48:11,029 INFO L130 PetriNetUnfolder]: 53873/133921 cut-off events. [2022-12-13 19:48:11,030 INFO L131 PetriNetUnfolder]: For 34210/34368 co-relation queries the response was YES. [2022-12-13 19:48:11,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245679 conditions, 133921 events. 53873/133921 cut-off events. For 34210/34368 co-relation queries the response was YES. Maximal size of possible extension queue 3418. Compared 1754729 event pairs, 32970 based on Foata normal form. 646/123331 useless extension candidates. Maximal degree in co-relation 245667. Up to 40952 conditions per place. [2022-12-13 19:48:11,731 INFO L137 encePairwiseOnDemand]: 1192/1200 looper letters, 175 selfloop transitions, 10 changer transitions 0/304 dead transitions. [2022-12-13 19:48:11,731 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 304 transitions, 1174 flow [2022-12-13 19:48:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:48:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:48:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3757 transitions. [2022-12-13 19:48:11,736 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5218055555555555 [2022-12-13 19:48:11,736 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3757 transitions. [2022-12-13 19:48:11,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3757 transitions. [2022-12-13 19:48:11,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:11,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3757 transitions. [2022-12-13 19:48:11,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 626.1666666666666) internal successors, (3757), 6 states have internal predecessors, (3757), 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 19:48:11,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:48:11,746 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:48:11,746 INFO L175 Difference]: Start difference. First operand has 188 places, 182 transitions, 446 flow. Second operand 6 states and 3757 transitions. [2022-12-13 19:48:11,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 304 transitions, 1174 flow [2022-12-13 19:48:11,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 304 transitions, 1170 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 19:48:11,962 INFO L231 Difference]: Finished difference. Result has 196 places, 190 transitions, 528 flow [2022-12-13 19:48:11,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=196, PETRI_TRANSITIONS=190} [2022-12-13 19:48:11,962 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -19 predicate places. [2022-12-13 19:48:11,962 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 190 transitions, 528 flow [2022-12-13 19:48:11,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 600.8333333333334) internal successors, (3605), 6 states have internal predecessors, (3605), 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 19:48:11,963 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:48:11,963 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:11,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 19:48:11,963 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:48:11,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:11,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1694582373, now seen corresponding path program 1 times [2022-12-13 19:48:11,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:11,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030267437] [2022-12-13 19:48:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:11,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:12,034 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 19:48:12,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:12,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030267437] [2022-12-13 19:48:12,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030267437] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:48:12,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:48:12,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:48:12,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678324102] [2022-12-13 19:48:12,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:48:12,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:48:12,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:12,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:48:12,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:48:12,186 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 607 out of 1200 [2022-12-13 19:48:12,188 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 190 transitions, 528 flow. Second operand has 5 states, 5 states have (on average 609.4) internal successors, (3047), 5 states have internal predecessors, (3047), 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 19:48:12,188 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:48:12,188 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 607 of 1200 [2022-12-13 19:48:12,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:48:20,215 INFO L130 PetriNetUnfolder]: 39901/99549 cut-off events. [2022-12-13 19:48:20,215 INFO L131 PetriNetUnfolder]: For 52465/52655 co-relation queries the response was YES. [2022-12-13 19:48:20,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194205 conditions, 99549 events. 39901/99549 cut-off events. For 52465/52655 co-relation queries the response was YES. Maximal size of possible extension queue 2447. Compared 1249068 event pairs, 26212 based on Foata normal form. 514/92029 useless extension candidates. Maximal degree in co-relation 194189. Up to 46402 conditions per place. [2022-12-13 19:48:20,771 INFO L137 encePairwiseOnDemand]: 1195/1200 looper letters, 138 selfloop transitions, 4 changer transitions 0/261 dead transitions. [2022-12-13 19:48:20,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 261 transitions, 1062 flow [2022-12-13 19:48:20,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:48:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 19:48:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3153 transitions. [2022-12-13 19:48:20,776 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5255 [2022-12-13 19:48:20,776 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3153 transitions. [2022-12-13 19:48:20,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3153 transitions. [2022-12-13 19:48:20,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:20,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3153 transitions. [2022-12-13 19:48:20,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 630.6) internal successors, (3153), 5 states have internal predecessors, (3153), 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 19:48:20,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1200.0) internal successors, (7200), 6 states have internal predecessors, (7200), 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 19:48:20,785 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1200.0) internal successors, (7200), 6 states have internal predecessors, (7200), 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 19:48:20,785 INFO L175 Difference]: Start difference. First operand has 196 places, 190 transitions, 528 flow. Second operand 5 states and 3153 transitions. [2022-12-13 19:48:20,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 261 transitions, 1062 flow [2022-12-13 19:48:21,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 261 transitions, 1054 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-12-13 19:48:21,193 INFO L231 Difference]: Finished difference. Result has 201 places, 191 transitions, 540 flow [2022-12-13 19:48:21,193 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=540, PETRI_PLACES=201, PETRI_TRANSITIONS=191} [2022-12-13 19:48:21,193 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -14 predicate places. [2022-12-13 19:48:21,193 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 191 transitions, 540 flow [2022-12-13 19:48:21,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 609.4) internal successors, (3047), 5 states have internal predecessors, (3047), 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 19:48:21,194 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:48:21,194 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:21,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 19:48:21,194 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:48:21,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:21,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1205363195, now seen corresponding path program 1 times [2022-12-13 19:48:21,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:21,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508772214] [2022-12-13 19:48:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 19:48:21,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:21,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508772214] [2022-12-13 19:48:21,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508772214] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:48:21,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:48:21,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:48:21,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748837652] [2022-12-13 19:48:21,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:48:21,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:48:21,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:21,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:48:21,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:48:22,147 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1200 [2022-12-13 19:48:22,149 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 191 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 597.8333333333334) internal successors, (3587), 6 states have internal predecessors, (3587), 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 19:48:22,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:48:22,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1200 [2022-12-13 19:48:22,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:48:32,113 INFO L130 PetriNetUnfolder]: 51287/114063 cut-off events. [2022-12-13 19:48:32,113 INFO L131 PetriNetUnfolder]: For 60973/61165 co-relation queries the response was YES. [2022-12-13 19:48:32,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233178 conditions, 114063 events. 51287/114063 cut-off events. For 60973/61165 co-relation queries the response was YES. Maximal size of possible extension queue 2748. Compared 1357032 event pairs, 29138 based on Foata normal form. 0/106021 useless extension candidates. Maximal degree in co-relation 233160. Up to 50910 conditions per place. [2022-12-13 19:48:32,814 INFO L137 encePairwiseOnDemand]: 1193/1200 looper letters, 217 selfloop transitions, 5 changer transitions 0/329 dead transitions. [2022-12-13 19:48:32,814 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 329 transitions, 1386 flow [2022-12-13 19:48:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:48:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:48:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3764 transitions. [2022-12-13 19:48:32,819 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5227777777777778 [2022-12-13 19:48:32,820 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3764 transitions. [2022-12-13 19:48:32,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3764 transitions. [2022-12-13 19:48:32,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:32,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3764 transitions. [2022-12-13 19:48:32,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 627.3333333333334) internal successors, (3764), 6 states have internal predecessors, (3764), 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 19:48:32,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:48:32,829 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:48:32,829 INFO L175 Difference]: Start difference. First operand has 201 places, 191 transitions, 540 flow. Second operand 6 states and 3764 transitions. [2022-12-13 19:48:32,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 329 transitions, 1386 flow [2022-12-13 19:48:33,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 329 transitions, 1381 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 19:48:33,021 INFO L231 Difference]: Finished difference. Result has 202 places, 189 transitions, 541 flow [2022-12-13 19:48:33,021 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=541, PETRI_PLACES=202, PETRI_TRANSITIONS=189} [2022-12-13 19:48:33,022 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -13 predicate places. [2022-12-13 19:48:33,022 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 189 transitions, 541 flow [2022-12-13 19:48:33,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.8333333333334) internal successors, (3587), 6 states have internal predecessors, (3587), 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 19:48:33,022 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:48:33,022 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:33,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 19:48:33,022 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:48:33,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:33,023 INFO L85 PathProgramCache]: Analyzing trace with hash 398969899, now seen corresponding path program 1 times [2022-12-13 19:48:33,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:33,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221298555] [2022-12-13 19:48:33,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:33,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 19:48:33,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:33,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221298555] [2022-12-13 19:48:33,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221298555] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:48:33,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:48:33,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:48:33,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067389153] [2022-12-13 19:48:33,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:48:33,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:48:33,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:33,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:48:33,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:48:33,370 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 1200 [2022-12-13 19:48:33,373 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 189 transitions, 541 flow. Second operand has 6 states, 6 states have (on average 601.1666666666666) internal successors, (3607), 6 states have internal predecessors, (3607), 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 19:48:33,373 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:48:33,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 1200 [2022-12-13 19:48:33,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:48:46,523 INFO L130 PetriNetUnfolder]: 65788/150499 cut-off events. [2022-12-13 19:48:46,523 INFO L131 PetriNetUnfolder]: For 91582/91990 co-relation queries the response was YES. [2022-12-13 19:48:47,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314014 conditions, 150499 events. 65788/150499 cut-off events. For 91582/91990 co-relation queries the response was YES. Maximal size of possible extension queue 3468. Compared 1873392 event pairs, 33738 based on Foata normal form. 1056/141403 useless extension candidates. Maximal degree in co-relation 313996. Up to 49090 conditions per place. [2022-12-13 19:48:47,530 INFO L137 encePairwiseOnDemand]: 1192/1200 looper letters, 243 selfloop transitions, 12 changer transitions 0/372 dead transitions. [2022-12-13 19:48:47,531 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 372 transitions, 1810 flow [2022-12-13 19:48:47,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:48:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 19:48:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4386 transitions. [2022-12-13 19:48:47,538 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5221428571428571 [2022-12-13 19:48:47,539 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4386 transitions. [2022-12-13 19:48:47,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4386 transitions. [2022-12-13 19:48:47,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:47,540 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4386 transitions. [2022-12-13 19:48:47,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 626.5714285714286) internal successors, (4386), 7 states have internal predecessors, (4386), 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 19:48:47,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1200.0) internal successors, (9600), 8 states have internal predecessors, (9600), 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 19:48:47,553 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1200.0) internal successors, (9600), 8 states have internal predecessors, (9600), 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 19:48:47,553 INFO L175 Difference]: Start difference. First operand has 202 places, 189 transitions, 541 flow. Second operand 7 states and 4386 transitions. [2022-12-13 19:48:47,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 372 transitions, 1810 flow [2022-12-13 19:48:48,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 372 transitions, 1792 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 19:48:48,396 INFO L231 Difference]: Finished difference. Result has 207 places, 197 transitions, 616 flow [2022-12-13 19:48:48,396 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=616, PETRI_PLACES=207, PETRI_TRANSITIONS=197} [2022-12-13 19:48:48,397 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -8 predicate places. [2022-12-13 19:48:48,397 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 197 transitions, 616 flow [2022-12-13 19:48:48,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 601.1666666666666) internal successors, (3607), 6 states have internal predecessors, (3607), 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 19:48:48,397 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:48:48,397 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:48,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 19:48:48,398 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:48:48,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:48,398 INFO L85 PathProgramCache]: Analyzing trace with hash 546763163, now seen corresponding path program 1 times [2022-12-13 19:48:48,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:48,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566414684] [2022-12-13 19:48:48,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:48,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:48,497 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 19:48:48,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:48,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566414684] [2022-12-13 19:48:48,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566414684] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:48:48,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:48:48,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:48:48,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682924958] [2022-12-13 19:48:48,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:48:48,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:48:48,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:48,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:48:48,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:48:48,676 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 1200 [2022-12-13 19:48:48,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 197 transitions, 616 flow. Second operand has 6 states, 6 states have (on average 601.6666666666666) internal successors, (3610), 6 states have internal predecessors, (3610), 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 19:48:48,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:48:48,680 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 1200 [2022-12-13 19:48:48,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:48:58,416 INFO L130 PetriNetUnfolder]: 45423/107916 cut-off events. [2022-12-13 19:48:58,417 INFO L131 PetriNetUnfolder]: For 92243/92679 co-relation queries the response was YES. [2022-12-13 19:48:58,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235029 conditions, 107916 events. 45423/107916 cut-off events. For 92243/92679 co-relation queries the response was YES. Maximal size of possible extension queue 2534. Compared 1317512 event pairs, 27641 based on Foata normal form. 526/100922 useless extension candidates. Maximal degree in co-relation 235007. Up to 47649 conditions per place. [2022-12-13 19:48:59,115 INFO L137 encePairwiseOnDemand]: 1192/1200 looper letters, 216 selfloop transitions, 10 changer transitions 0/343 dead transitions. [2022-12-13 19:48:59,115 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 343 transitions, 1803 flow [2022-12-13 19:48:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:48:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 19:48:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4356 transitions. [2022-12-13 19:48:59,120 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5185714285714286 [2022-12-13 19:48:59,120 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4356 transitions. [2022-12-13 19:48:59,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4356 transitions. [2022-12-13 19:48:59,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:48:59,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4356 transitions. [2022-12-13 19:48:59,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 622.2857142857143) internal successors, (4356), 7 states have internal predecessors, (4356), 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 19:48:59,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1200.0) internal successors, (9600), 8 states have internal predecessors, (9600), 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 19:48:59,132 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1200.0) internal successors, (9600), 8 states have internal predecessors, (9600), 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 19:48:59,132 INFO L175 Difference]: Start difference. First operand has 207 places, 197 transitions, 616 flow. Second operand 7 states and 4356 transitions. [2022-12-13 19:48:59,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 343 transitions, 1803 flow [2022-12-13 19:48:59,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 343 transitions, 1799 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-12-13 19:48:59,756 INFO L231 Difference]: Finished difference. Result has 216 places, 201 transitions, 661 flow [2022-12-13 19:48:59,756 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=661, PETRI_PLACES=216, PETRI_TRANSITIONS=201} [2022-12-13 19:48:59,756 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 1 predicate places. [2022-12-13 19:48:59,756 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 201 transitions, 661 flow [2022-12-13 19:48:59,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 601.6666666666666) internal successors, (3610), 6 states have internal predecessors, (3610), 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 19:48:59,757 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:48:59,757 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:48:59,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 19:48:59,757 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:48:59,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:48:59,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1201978388, now seen corresponding path program 1 times [2022-12-13 19:48:59,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:48:59,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035829792] [2022-12-13 19:48:59,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:48:59,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:48:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:48:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 19:48:59,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:48:59,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035829792] [2022-12-13 19:48:59,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035829792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:48:59,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:48:59,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:48:59,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888249675] [2022-12-13 19:48:59,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:48:59,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:48:59,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:48:59,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:48:59,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:49:00,727 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1200 [2022-12-13 19:49:00,730 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 201 transitions, 661 flow. Second operand has 6 states, 6 states have (on average 598.1666666666666) internal successors, (3589), 6 states have internal predecessors, (3589), 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 19:49:00,730 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:49:00,730 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1200 [2022-12-13 19:49:00,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:49:13,856 INFO L130 PetriNetUnfolder]: 62966/133566 cut-off events. [2022-12-13 19:49:13,857 INFO L131 PetriNetUnfolder]: For 129430/129975 co-relation queries the response was YES. [2022-12-13 19:49:14,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310519 conditions, 133566 events. 62966/133566 cut-off events. For 129430/129975 co-relation queries the response was YES. Maximal size of possible extension queue 2927. Compared 1552179 event pairs, 32875 based on Foata normal form. 38/124830 useless extension candidates. Maximal degree in co-relation 310493. Up to 57583 conditions per place. [2022-12-13 19:49:14,813 INFO L137 encePairwiseOnDemand]: 1193/1200 looper letters, 263 selfloop transitions, 5 changer transitions 0/373 dead transitions. [2022-12-13 19:49:14,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 373 transitions, 1946 flow [2022-12-13 19:49:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:49:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:49:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3762 transitions. [2022-12-13 19:49:14,818 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5225 [2022-12-13 19:49:14,818 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3762 transitions. [2022-12-13 19:49:14,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3762 transitions. [2022-12-13 19:49:14,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:49:14,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3762 transitions. [2022-12-13 19:49:14,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 627.0) internal successors, (3762), 6 states have internal predecessors, (3762), 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 19:49:14,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:49:14,827 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:49:14,827 INFO L175 Difference]: Start difference. First operand has 216 places, 201 transitions, 661 flow. Second operand 6 states and 3762 transitions. [2022-12-13 19:49:14,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 373 transitions, 1946 flow [2022-12-13 19:49:15,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 373 transitions, 1942 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:49:15,619 INFO L231 Difference]: Finished difference. Result has 218 places, 199 transitions, 663 flow [2022-12-13 19:49:15,619 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=663, PETRI_PLACES=218, PETRI_TRANSITIONS=199} [2022-12-13 19:49:15,619 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 3 predicate places. [2022-12-13 19:49:15,619 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 199 transitions, 663 flow [2022-12-13 19:49:15,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 598.1666666666666) internal successors, (3589), 6 states have internal predecessors, (3589), 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 19:49:15,620 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:49:15,620 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:49:15,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 19:49:15,620 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:49:15,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:49:15,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1664450968, now seen corresponding path program 1 times [2022-12-13 19:49:15,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:49:15,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297635809] [2022-12-13 19:49:15,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:49:15,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:49:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:49:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 19:49:15,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:49:15,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297635809] [2022-12-13 19:49:15,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297635809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:49:15,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:49:15,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:49:15,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886187266] [2022-12-13 19:49:15,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:49:15,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:49:15,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:49:15,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:49:15,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:49:15,970 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 1200 [2022-12-13 19:49:15,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 199 transitions, 663 flow. Second operand has 6 states, 6 states have (on average 601.8333333333334) internal successors, (3611), 6 states have internal predecessors, (3611), 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 19:49:15,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:49:15,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 1200 [2022-12-13 19:49:15,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:49:24,637 INFO L130 PetriNetUnfolder]: 38522/88391 cut-off events. [2022-12-13 19:49:24,637 INFO L131 PetriNetUnfolder]: For 86234/86952 co-relation queries the response was YES. [2022-12-13 19:49:24,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206537 conditions, 88391 events. 38522/88391 cut-off events. For 86234/86952 co-relation queries the response was YES. Maximal size of possible extension queue 1984. Compared 1022521 event pairs, 21640 based on Foata normal form. 386/83849 useless extension candidates. Maximal degree in co-relation 206510. Up to 36287 conditions per place. [2022-12-13 19:49:25,246 INFO L137 encePairwiseOnDemand]: 1192/1200 looper letters, 217 selfloop transitions, 16 changer transitions 0/348 dead transitions. [2022-12-13 19:49:25,246 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 348 transitions, 1893 flow [2022-12-13 19:49:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:49:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 19:49:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4356 transitions. [2022-12-13 19:49:25,251 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5185714285714286 [2022-12-13 19:49:25,251 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4356 transitions. [2022-12-13 19:49:25,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4356 transitions. [2022-12-13 19:49:25,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:49:25,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4356 transitions. [2022-12-13 19:49:25,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 622.2857142857143) internal successors, (4356), 7 states have internal predecessors, (4356), 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 19:49:25,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1200.0) internal successors, (9600), 8 states have internal predecessors, (9600), 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 19:49:25,261 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1200.0) internal successors, (9600), 8 states have internal predecessors, (9600), 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 19:49:25,261 INFO L175 Difference]: Start difference. First operand has 218 places, 199 transitions, 663 flow. Second operand 7 states and 4356 transitions. [2022-12-13 19:49:25,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 348 transitions, 1893 flow [2022-12-13 19:49:26,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 348 transitions, 1881 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 19:49:26,011 INFO L231 Difference]: Finished difference. Result has 222 places, 207 transitions, 758 flow [2022-12-13 19:49:26,011 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=758, PETRI_PLACES=222, PETRI_TRANSITIONS=207} [2022-12-13 19:49:26,011 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 7 predicate places. [2022-12-13 19:49:26,011 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 207 transitions, 758 flow [2022-12-13 19:49:26,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 601.8333333333334) internal successors, (3611), 6 states have internal predecessors, (3611), 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 19:49:26,012 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:49:26,012 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:49:26,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 19:49:26,012 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:49:26,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:49:26,012 INFO L85 PathProgramCache]: Analyzing trace with hash 779348049, now seen corresponding path program 1 times [2022-12-13 19:49:26,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:49:26,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338761972] [2022-12-13 19:49:26,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:49:26,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:49:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:49:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 19:49:26,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:49:26,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338761972] [2022-12-13 19:49:26,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338761972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:49:26,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:49:26,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:49:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446298172] [2022-12-13 19:49:26,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:49:26,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:49:26,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:49:26,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:49:26,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:49:26,890 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1200 [2022-12-13 19:49:26,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 207 transitions, 758 flow. Second operand has 6 states, 6 states have (on average 598.6666666666666) internal successors, (3592), 6 states have internal predecessors, (3592), 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 19:49:26,892 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:49:26,892 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1200 [2022-12-13 19:49:26,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:49:36,426 INFO L130 PetriNetUnfolder]: 46982/100042 cut-off events. [2022-12-13 19:49:36,426 INFO L131 PetriNetUnfolder]: For 121592/122072 co-relation queries the response was YES. [2022-12-13 19:49:36,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246068 conditions, 100042 events. 46982/100042 cut-off events. For 121592/122072 co-relation queries the response was YES. Maximal size of possible extension queue 2342. Compared 1127957 event pairs, 25025 based on Foata normal form. 40/94516 useless extension candidates. Maximal degree in co-relation 246038. Up to 44017 conditions per place. [2022-12-13 19:49:37,138 INFO L137 encePairwiseOnDemand]: 1193/1200 looper letters, 227 selfloop transitions, 5 changer transitions 0/337 dead transitions. [2022-12-13 19:49:37,138 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 337 transitions, 1802 flow [2022-12-13 19:49:37,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:49:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:49:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3742 transitions. [2022-12-13 19:49:37,143 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5197222222222222 [2022-12-13 19:49:37,143 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3742 transitions. [2022-12-13 19:49:37,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3742 transitions. [2022-12-13 19:49:37,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:49:37,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3742 transitions. [2022-12-13 19:49:37,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 623.6666666666666) internal successors, (3742), 6 states have internal predecessors, (3742), 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 19:49:37,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:49:37,151 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:49:37,151 INFO L175 Difference]: Start difference. First operand has 222 places, 207 transitions, 758 flow. Second operand 6 states and 3742 transitions. [2022-12-13 19:49:37,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 337 transitions, 1802 flow [2022-12-13 19:49:38,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 337 transitions, 1798 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:49:38,189 INFO L231 Difference]: Finished difference. Result has 224 places, 205 transitions, 760 flow [2022-12-13 19:49:38,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=760, PETRI_PLACES=224, PETRI_TRANSITIONS=205} [2022-12-13 19:49:38,190 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 9 predicate places. [2022-12-13 19:49:38,190 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 205 transitions, 760 flow [2022-12-13 19:49:38,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 598.6666666666666) internal successors, (3592), 6 states have internal predecessors, (3592), 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 19:49:38,190 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:49:38,190 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:49:38,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 19:49:38,190 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:49:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:49:38,191 INFO L85 PathProgramCache]: Analyzing trace with hash 245023630, now seen corresponding path program 1 times [2022-12-13 19:49:38,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:49:38,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763657452] [2022-12-13 19:49:38,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:49:38,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:49:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:49:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 19:49:38,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:49:38,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763657452] [2022-12-13 19:49:38,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763657452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:49:38,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:49:38,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:49:38,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032336863] [2022-12-13 19:49:38,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:49:38,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:49:38,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:49:38,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:49:38,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:49:38,232 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 1200 [2022-12-13 19:49:38,233 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 205 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 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 19:49:38,233 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:49:38,233 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 1200 [2022-12-13 19:49:38,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:49:49,358 INFO L130 PetriNetUnfolder]: 55257/117171 cut-off events. [2022-12-13 19:49:49,358 INFO L131 PetriNetUnfolder]: For 137261/137760 co-relation queries the response was YES. [2022-12-13 19:49:49,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288486 conditions, 117171 events. 55257/117171 cut-off events. For 137261/137760 co-relation queries the response was YES. Maximal size of possible extension queue 2753. Compared 1341073 event pairs, 20397 based on Foata normal form. 40/112767 useless extension candidates. Maximal degree in co-relation 288455. Up to 45396 conditions per place. [2022-12-13 19:49:50,248 INFO L137 encePairwiseOnDemand]: 1194/1200 looper letters, 150 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2022-12-13 19:49:50,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 254 transitions, 1338 flow [2022-12-13 19:49:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:49:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:49:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1931 transitions. [2022-12-13 19:49:50,252 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5363888888888889 [2022-12-13 19:49:50,252 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1931 transitions. [2022-12-13 19:49:50,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1931 transitions. [2022-12-13 19:49:50,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:49:50,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1931 transitions. [2022-12-13 19:49:50,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 643.6666666666666) internal successors, (1931), 3 states have internal predecessors, (1931), 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 19:49:50,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:49:50,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1200.0) internal successors, (4800), 4 states have internal predecessors, (4800), 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 19:49:50,256 INFO L175 Difference]: Start difference. First operand has 224 places, 205 transitions, 760 flow. Second operand 3 states and 1931 transitions. [2022-12-13 19:49:50,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 254 transitions, 1338 flow [2022-12-13 19:49:51,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 254 transitions, 1326 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 19:49:51,595 INFO L231 Difference]: Finished difference. Result has 218 places, 203 transitions, 756 flow [2022-12-13 19:49:51,595 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=218, PETRI_TRANSITIONS=203} [2022-12-13 19:49:51,595 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 3 predicate places. [2022-12-13 19:49:51,595 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 203 transitions, 756 flow [2022-12-13 19:49:51,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 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 19:49:51,595 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:49:51,596 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:49:51,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 19:49:51,596 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:49:51,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:49:51,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1946605090, now seen corresponding path program 1 times [2022-12-13 19:49:51,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:49:51,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506886253] [2022-12-13 19:49:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:49:51,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:49:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:49:51,806 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 19:49:51,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:49:51,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506886253] [2022-12-13 19:49:51,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506886253] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:49:51,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:49:51,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:49:51,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977413546] [2022-12-13 19:49:51,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:49:51,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:49:51,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:49:51,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:49:51,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:49:52,425 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1200 [2022-12-13 19:49:52,427 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 203 transitions, 756 flow. Second operand has 6 states, 6 states have (on average 605.3333333333334) internal successors, (3632), 6 states have internal predecessors, (3632), 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 19:49:52,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:49:52,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1200 [2022-12-13 19:49:52,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:50:03,733 INFO L130 PetriNetUnfolder]: 51992/115817 cut-off events. [2022-12-13 19:50:03,733 INFO L131 PetriNetUnfolder]: For 142332/142831 co-relation queries the response was YES. [2022-12-13 19:50:04,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283088 conditions, 115817 events. 51992/115817 cut-off events. For 142332/142831 co-relation queries the response was YES. Maximal size of possible extension queue 2672. Compared 1368908 event pairs, 32668 based on Foata normal form. 40/111700 useless extension candidates. Maximal degree in co-relation 283057. Up to 57220 conditions per place. [2022-12-13 19:50:04,585 INFO L137 encePairwiseOnDemand]: 1195/1200 looper letters, 288 selfloop transitions, 4 changer transitions 0/398 dead transitions. [2022-12-13 19:50:04,585 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 398 transitions, 2530 flow [2022-12-13 19:50:04,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:50:04,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:50:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3775 transitions. [2022-12-13 19:50:04,590 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5243055555555556 [2022-12-13 19:50:04,591 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3775 transitions. [2022-12-13 19:50:04,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3775 transitions. [2022-12-13 19:50:04,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:50:04,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3775 transitions. [2022-12-13 19:50:04,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 629.1666666666666) internal successors, (3775), 6 states have internal predecessors, (3775), 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 19:50:04,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:50:04,598 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:50:04,598 INFO L175 Difference]: Start difference. First operand has 218 places, 203 transitions, 756 flow. Second operand 6 states and 3775 transitions. [2022-12-13 19:50:04,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 398 transitions, 2530 flow [2022-12-13 19:50:06,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 398 transitions, 2530 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:50:06,012 INFO L231 Difference]: Finished difference. Result has 222 places, 202 transitions, 762 flow [2022-12-13 19:50:06,012 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=762, PETRI_PLACES=222, PETRI_TRANSITIONS=202} [2022-12-13 19:50:06,012 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 7 predicate places. [2022-12-13 19:50:06,012 INFO L495 AbstractCegarLoop]: Abstraction has has 222 places, 202 transitions, 762 flow [2022-12-13 19:50:06,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 605.3333333333334) internal successors, (3632), 6 states have internal predecessors, (3632), 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 19:50:06,013 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:50:06,013 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:50:06,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 19:50:06,013 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:50:06,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:50:06,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2102322731, now seen corresponding path program 1 times [2022-12-13 19:50:06,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:50:06,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244367073] [2022-12-13 19:50:06,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:50:06,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:50:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:50:06,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 19:50:06,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:50:06,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244367073] [2022-12-13 19:50:06,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244367073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:50:06,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:50:06,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:50:06,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87517584] [2022-12-13 19:50:06,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:50:06,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:50:06,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:50:06,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:50:06,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:50:06,729 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1200 [2022-12-13 19:50:06,730 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 202 transitions, 762 flow. Second operand has 6 states, 6 states have (on average 597.8333333333334) internal successors, (3587), 6 states have internal predecessors, (3587), 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 19:50:06,731 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:50:06,731 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1200 [2022-12-13 19:50:06,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:50:19,302 INFO L130 PetriNetUnfolder]: 59293/125410 cut-off events. [2022-12-13 19:50:19,303 INFO L131 PetriNetUnfolder]: For 150961/151460 co-relation queries the response was YES. [2022-12-13 19:50:19,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312484 conditions, 125410 events. 59293/125410 cut-off events. For 150961/151460 co-relation queries the response was YES. Maximal size of possible extension queue 2557. Compared 1432618 event pairs, 31822 based on Foata normal form. 40/121548 useless extension candidates. Maximal degree in co-relation 312452. Up to 54594 conditions per place. [2022-12-13 19:50:20,230 INFO L137 encePairwiseOnDemand]: 1193/1200 looper letters, 271 selfloop transitions, 5 changer transitions 0/376 dead transitions. [2022-12-13 19:50:20,230 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 376 transitions, 2146 flow [2022-12-13 19:50:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:50:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:50:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3762 transitions. [2022-12-13 19:50:20,235 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5225 [2022-12-13 19:50:20,235 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3762 transitions. [2022-12-13 19:50:20,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3762 transitions. [2022-12-13 19:50:20,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:50:20,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3762 transitions. [2022-12-13 19:50:20,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 627.0) internal successors, (3762), 6 states have internal predecessors, (3762), 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 19:50:20,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:50:20,243 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:50:20,243 INFO L175 Difference]: Start difference. First operand has 222 places, 202 transitions, 762 flow. Second operand 6 states and 3762 transitions. [2022-12-13 19:50:20,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 376 transitions, 2146 flow [2022-12-13 19:50:21,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 376 transitions, 2137 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 19:50:21,943 INFO L231 Difference]: Finished difference. Result has 221 places, 200 transitions, 761 flow [2022-12-13 19:50:21,943 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=761, PETRI_PLACES=221, PETRI_TRANSITIONS=200} [2022-12-13 19:50:21,943 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 6 predicate places. [2022-12-13 19:50:21,943 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 200 transitions, 761 flow [2022-12-13 19:50:21,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 597.8333333333334) internal successors, (3587), 6 states have internal predecessors, (3587), 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 19:50:21,944 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:50:21,944 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:50:21,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 19:50:21,944 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:50:21,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:50:21,944 INFO L85 PathProgramCache]: Analyzing trace with hash 429821458, now seen corresponding path program 1 times [2022-12-13 19:50:21,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:50:21,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042494252] [2022-12-13 19:50:21,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:50:21,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:50:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:50:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 19:50:22,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:50:22,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042494252] [2022-12-13 19:50:22,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042494252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:50:22,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:50:22,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:50:22,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677675632] [2022-12-13 19:50:22,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:50:22,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:50:22,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:50:22,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:50:22,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:50:22,825 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1200 [2022-12-13 19:50:22,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 200 transitions, 761 flow. Second operand has 6 states, 6 states have (on average 598.1666666666666) internal successors, (3589), 6 states have internal predecessors, (3589), 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 19:50:22,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:50:22,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1200 [2022-12-13 19:50:22,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:50:36,156 INFO L130 PetriNetUnfolder]: 61851/129163 cut-off events. [2022-12-13 19:50:36,156 INFO L131 PetriNetUnfolder]: For 155178/155677 co-relation queries the response was YES. [2022-12-13 19:50:36,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321558 conditions, 129163 events. 61851/129163 cut-off events. For 155178/155677 co-relation queries the response was YES. Maximal size of possible extension queue 2709. Compared 1468038 event pairs, 34074 based on Foata normal form. 40/125966 useless extension candidates. Maximal degree in co-relation 321526. Up to 58398 conditions per place. [2022-12-13 19:50:37,204 INFO L137 encePairwiseOnDemand]: 1193/1200 looper letters, 269 selfloop transitions, 5 changer transitions 0/372 dead transitions. [2022-12-13 19:50:37,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 372 transitions, 2146 flow [2022-12-13 19:50:37,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:50:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:50:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3760 transitions. [2022-12-13 19:50:37,208 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5222222222222223 [2022-12-13 19:50:37,208 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3760 transitions. [2022-12-13 19:50:37,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3760 transitions. [2022-12-13 19:50:37,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:50:37,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3760 transitions. [2022-12-13 19:50:37,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 626.6666666666666) internal successors, (3760), 6 states have internal predecessors, (3760), 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 19:50:37,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:50:37,214 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:50:37,214 INFO L175 Difference]: Start difference. First operand has 221 places, 200 transitions, 761 flow. Second operand 6 states and 3760 transitions. [2022-12-13 19:50:37,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 372 transitions, 2146 flow [2022-12-13 19:50:39,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 372 transitions, 2128 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 19:50:39,099 INFO L231 Difference]: Finished difference. Result has 219 places, 198 transitions, 757 flow [2022-12-13 19:50:39,100 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=747, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=757, PETRI_PLACES=219, PETRI_TRANSITIONS=198} [2022-12-13 19:50:39,100 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 4 predicate places. [2022-12-13 19:50:39,100 INFO L495 AbstractCegarLoop]: Abstraction has has 219 places, 198 transitions, 757 flow [2022-12-13 19:50:39,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 598.1666666666666) internal successors, (3589), 6 states have internal predecessors, (3589), 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 19:50:39,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:50:39,101 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:50:39,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 19:50:39,101 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:50:39,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:50:39,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1420809928, now seen corresponding path program 1 times [2022-12-13 19:50:39,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:50:39,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227201279] [2022-12-13 19:50:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:50:39,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:50:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:50:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 19:50:39,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:50:39,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227201279] [2022-12-13 19:50:39,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227201279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:50:39,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:50:39,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:50:39,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834140907] [2022-12-13 19:50:39,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:50:39,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:50:39,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:50:39,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:50:39,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:50:39,889 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 595 out of 1200 [2022-12-13 19:50:39,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 198 transitions, 757 flow. Second operand has 6 states, 6 states have (on average 598.8333333333334) internal successors, (3593), 6 states have internal predecessors, (3593), 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 19:50:39,891 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:50:39,891 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 595 of 1200 [2022-12-13 19:50:39,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:50:51,786 INFO L130 PetriNetUnfolder]: 54461/116256 cut-off events. [2022-12-13 19:50:51,786 INFO L131 PetriNetUnfolder]: For 137710/138209 co-relation queries the response was YES. [2022-12-13 19:50:52,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288314 conditions, 116256 events. 54461/116256 cut-off events. For 137710/138209 co-relation queries the response was YES. Maximal size of possible extension queue 2634. Compared 1340928 event pairs, 32020 based on Foata normal form. 40/112709 useless extension candidates. Maximal degree in co-relation 288282. Up to 55282 conditions per place. [2022-12-13 19:50:52,759 INFO L137 encePairwiseOnDemand]: 1193/1200 looper letters, 226 selfloop transitions, 5 changer transitions 0/328 dead transitions. [2022-12-13 19:50:52,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 328 transitions, 1807 flow [2022-12-13 19:50:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:50:52,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:50:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3741 transitions. [2022-12-13 19:50:52,764 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5195833333333333 [2022-12-13 19:50:52,764 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3741 transitions. [2022-12-13 19:50:52,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3741 transitions. [2022-12-13 19:50:52,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:50:52,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3741 transitions. [2022-12-13 19:50:52,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 623.5) internal successors, (3741), 6 states have internal predecessors, (3741), 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 19:50:52,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:50:52,774 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:50:52,774 INFO L175 Difference]: Start difference. First operand has 219 places, 198 transitions, 757 flow. Second operand 6 states and 3741 transitions. [2022-12-13 19:50:52,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 328 transitions, 1807 flow [2022-12-13 19:50:53,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 328 transitions, 1789 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 19:50:53,986 INFO L231 Difference]: Finished difference. Result has 217 places, 196 transitions, 753 flow [2022-12-13 19:50:53,986 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=753, PETRI_PLACES=217, PETRI_TRANSITIONS=196} [2022-12-13 19:50:53,987 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 2 predicate places. [2022-12-13 19:50:53,987 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 196 transitions, 753 flow [2022-12-13 19:50:53,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 598.8333333333334) internal successors, (3593), 6 states have internal predecessors, (3593), 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 19:50:53,987 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:50:53,987 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:50:53,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 19:50:53,987 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 103 more)] === [2022-12-13 19:50:53,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:50:53,987 INFO L85 PathProgramCache]: Analyzing trace with hash 925443078, now seen corresponding path program 1 times [2022-12-13 19:50:53,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:50:53,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993701803] [2022-12-13 19:50:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:50:53,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:50:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:50:54,181 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 19:50:54,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:50:54,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993701803] [2022-12-13 19:50:54,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993701803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:50:54,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:50:54,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:50:54,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295214568] [2022-12-13 19:50:54,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:50:54,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:50:54,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:50:54,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:50:54,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:50:54,757 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1200 [2022-12-13 19:50:54,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 196 transitions, 753 flow. Second operand has 6 states, 6 states have (on average 606.3333333333334) internal successors, (3638), 6 states have internal predecessors, (3638), 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 19:50:54,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:50:54,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1200 [2022-12-13 19:50:54,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:51:05,353 INFO L130 PetriNetUnfolder]: 45642/108461 cut-off events. [2022-12-13 19:51:05,353 INFO L131 PetriNetUnfolder]: For 123772/124271 co-relation queries the response was YES. [2022-12-13 19:51:05,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259040 conditions, 108461 events. 45642/108461 cut-off events. For 123772/124271 co-relation queries the response was YES. Maximal size of possible extension queue 2460. Compared 1320891 event pairs, 35290 based on Foata normal form. 40/105062 useless extension candidates. Maximal degree in co-relation 259008. Up to 61446 conditions per place. [2022-12-13 19:51:05,877 INFO L137 encePairwiseOnDemand]: 1195/1200 looper letters, 0 selfloop transitions, 0 changer transitions 311/311 dead transitions. [2022-12-13 19:51:05,877 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 311 transitions, 1923 flow [2022-12-13 19:51:05,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:51:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:51:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3731 transitions. [2022-12-13 19:51:05,881 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5181944444444444 [2022-12-13 19:51:05,881 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3731 transitions. [2022-12-13 19:51:05,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3731 transitions. [2022-12-13 19:51:05,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:51:05,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3731 transitions. [2022-12-13 19:51:05,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 621.8333333333334) internal successors, (3731), 6 states have internal predecessors, (3731), 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 19:51:05,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:51:05,888 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1200.0) internal successors, (8400), 7 states have internal predecessors, (8400), 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 19:51:05,888 INFO L175 Difference]: Start difference. First operand has 217 places, 196 transitions, 753 flow. Second operand 6 states and 3731 transitions. [2022-12-13 19:51:05,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 311 transitions, 1923 flow [2022-12-13 19:51:07,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 311 transitions, 1897 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 19:51:07,078 INFO L231 Difference]: Finished difference. Result has 216 places, 0 transitions, 0 flow [2022-12-13 19:51:07,078 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=216, PETRI_TRANSITIONS=0} [2022-12-13 19:51:07,078 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, 1 predicate places. [2022-12-13 19:51:07,078 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 0 transitions, 0 flow [2022-12-13 19:51:07,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 606.3333333333334) internal successors, (3638), 6 states have internal predecessors, (3638), 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 19:51:07,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (106 of 107 remaining) [2022-12-13 19:51:07,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (105 of 107 remaining) [2022-12-13 19:51:07,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (104 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (103 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (102 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (101 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (100 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (99 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (98 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (97 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (96 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (95 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (94 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (93 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (92 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (89 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (88 of 107 remaining) [2022-12-13 19:51:07,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (86 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (85 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (83 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (82 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (80 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (79 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (78 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (77 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (76 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (75 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (74 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (73 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (72 of 107 remaining) [2022-12-13 19:51:07,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (71 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (70 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (69 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (68 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (67 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (66 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (65 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (64 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (63 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (62 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (61 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (60 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (59 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (58 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (57 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (56 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (55 of 107 remaining) [2022-12-13 19:51:07,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (54 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (53 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (52 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (51 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (50 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (49 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (48 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (47 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (46 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (45 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 107 remaining) [2022-12-13 19:51:07,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (32 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (31 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (29 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (28 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (25 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (24 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (23 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (22 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (21 of 107 remaining) [2022-12-13 19:51:07,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (20 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (18 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (17 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (16 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (15 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (14 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (9 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (8 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (6 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (5 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (4 of 107 remaining) [2022-12-13 19:51:07,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (3 of 107 remaining) [2022-12-13 19:51:07,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (2 of 107 remaining) [2022-12-13 19:51:07,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (1 of 107 remaining) [2022-12-13 19:51:07,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (0 of 107 remaining) [2022-12-13 19:51:07,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 19:51:07,087 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:51:07,091 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 19:51:07,091 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:51:07,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:51:07 BasicIcfg [2022-12-13 19:51:07,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:51:07,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:51:07,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:51:07,094 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:51:07,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:47:10" (3/4) ... [2022-12-13 19:51:07,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:51:07,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 19:51:07,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 19:51:07,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 19:51:07,104 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-12-13 19:51:07,104 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 19:51:07,104 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:51:07,105 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:51:07,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:51:07,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:51:07,136 INFO L158 Benchmark]: Toolchain (without parser) took 238219.19ms. Allocated memory was 121.6MB in the beginning and 9.2GB in the end (delta: 9.0GB). Free memory was 82.0MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. [2022-12-13 19:51:07,136 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:51:07,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.67ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 68.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 19:51:07,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.18ms. Allocated memory is still 121.6MB. Free memory was 68.3MB in the beginning and 63.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:51:07,137 INFO L158 Benchmark]: Boogie Preprocessor took 37.81ms. Allocated memory is still 121.6MB. Free memory was 63.8MB in the beginning and 59.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:51:07,137 INFO L158 Benchmark]: RCFGBuilder took 810.35ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 59.9MB in the beginning and 88.1MB in the end (delta: -28.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-12-13 19:51:07,137 INFO L158 Benchmark]: TraceAbstraction took 237058.66ms. Allocated memory was 148.9MB in the beginning and 9.2GB in the end (delta: 9.0GB). Free memory was 88.1MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 5.1GB. Max. memory is 16.1GB. [2022-12-13 19:51:07,137 INFO L158 Benchmark]: Witness Printer took 42.15ms. Allocated memory is still 9.2GB. Free memory was 4.7GB in the beginning and 4.7GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 19:51:07,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.67ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 68.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.18ms. Allocated memory is still 121.6MB. Free memory was 68.3MB in the beginning and 63.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.81ms. Allocated memory is still 121.6MB. Free memory was 63.8MB in the beginning and 59.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 810.35ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 59.9MB in the beginning and 88.1MB in the end (delta: -28.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * TraceAbstraction took 237058.66ms. Allocated memory was 148.9MB in the beginning and 9.2GB in the end (delta: 9.0GB). Free memory was 88.1MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 5.1GB. Max. memory is 16.1GB. * Witness Printer took 42.15ms. Allocated memory is still 9.2GB. Free memory was 4.7GB in the beginning and 4.7GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1s, 603 PlacesBefore, 215 PlacesAfterwards, 624 TransitionsBefore, 220 TransitionsAfterwards, 94392 CoEnabledTransitionPairs, 8 FixpointIterations, 260 TrivialSequentialCompositions, 209 ConcurrentSequentialCompositions, 31 TrivialYvCompositions, 34 ConcurrentYvCompositions, 16 ChoiceCompositions, 550 TotalNumberOfCompositions, 501825 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 130471, independent: 127511, independent conditional: 0, independent unconditional: 127511, dependent: 2960, dependent conditional: 0, dependent unconditional: 2960, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 47053, independent: 46681, independent conditional: 0, independent unconditional: 46681, dependent: 372, dependent conditional: 0, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 130471, independent: 80830, independent conditional: 0, independent unconditional: 80830, dependent: 2588, dependent conditional: 0, dependent unconditional: 2588, unknown: 47053, unknown conditional: 0, unknown unconditional: 47053] , Statistics on independence cache: Total cache size (in pairs): 6045, Positive cache size: 5819, Positive conditional cache size: 0, Positive unconditional cache size: 5819, Negative cache size: 226, Negative conditional cache size: 0, Negative unconditional cache size: 226, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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 7 procedures, 948 locations, 107 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: 236.9s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 223.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8243 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5251 mSDsluCounter, 2095 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1847 mSDsCounter, 2503 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15554 IncrementalHoareTripleChecker+Invalid, 18057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2503 mSolverCounterUnsat, 248 mSDtfsCounter, 15554 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=762occurred in iteration=21, InterpolantAutomatonStates: 120, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 1774 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 17/17 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 62 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 19:51:07,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbeeaff3-4554-448a-be38-4faa1739704b/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