./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/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_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/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_e3bbab04-4049-48ae-a0f4-4af66c187247/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 b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 --- 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 19:07:48,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:07:48,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:07:48,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:07:48,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:07:48,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:07:48,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:07:48,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:07:48,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:07:48,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:07:48,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:07:48,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:07:48,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:07:48,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:07:48,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:07:48,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:07:48,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:07:48,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:07:48,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:07:48,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:07:48,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:07:48,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:07:48,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:07:48,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:07:48,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:07:48,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:07:48,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:07:48,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:07:48,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:07:48,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:07:48,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:07:48,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:07:48,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:07:48,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:07:48,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:07:48,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:07:48,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:07:48,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:07:48,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:07:48,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:07:48,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:07:48,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 19:07:48,066 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:07:48,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:07:48,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:07:48,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:07:48,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:07:48,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:07:48,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:07:48,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:07:48,068 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:07:48,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:07:48,068 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:07:48,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:07:48,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:07:48,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:07:48,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:07:48,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:07:48,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:07:48,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:07:48,077 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 19:07:48,077 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:07:48,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:07:48,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:07:48,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:07:48,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:07:48,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:07:48,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:07:48,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:07:48,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:07:48,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:07:48,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:07:48,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:07:48,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:07:48,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:07:48,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:07:48,079 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:07:48,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:07:48,079 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:07:48,079 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_e3bbab04-4049-48ae-a0f4-4af66c187247/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 [2022-12-13 19:07:48,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:07:48,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:07:48,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:07:48,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:07:48,262 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:07:48,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2022-12-13 19:07:50,837 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:07:50,977 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:07:50,978 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2022-12-13 19:07:50,983 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/data/bd1a06fb7/796eef637d0e4d138144b22edd6abc79/FLAGc1094e4b5 [2022-12-13 19:07:50,995 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/data/bd1a06fb7/796eef637d0e4d138144b22edd6abc79 [2022-12-13 19:07:50,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:07:50,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:07:51,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:07:51,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:07:51,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:07:51,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:07:50" (1/1) ... [2022-12-13 19:07:51,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dbbf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51, skipping insertion in model container [2022-12-13 19:07:51,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:07:50" (1/1) ... [2022-12-13 19:07:51,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:07:51,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:07:51,186 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_e3bbab04-4049-48ae-a0f4-4af66c187247/sv-benchmarks/c/weaver/chl-node-trans.wvr.c[3945,3958] [2022-12-13 19:07:51,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:07:51,202 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:07:51,233 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_e3bbab04-4049-48ae-a0f4-4af66c187247/sv-benchmarks/c/weaver/chl-node-trans.wvr.c[3945,3958] [2022-12-13 19:07:51,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:07:51,249 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:07:51,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51 WrapperNode [2022-12-13 19:07:51,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:07:51,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:07:51,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:07:51,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:07:51,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,301 INFO L138 Inliner]: procedures = 27, calls = 66, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 795 [2022-12-13 19:07:51,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:07:51,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:07:51,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:07:51,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:07:51,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:07:51,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:07:51,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:07:51,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:07:51,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (1/1) ... [2022-12-13 19:07:51,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:07:51,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:07:51,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:07:51,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:07:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:07:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:07:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:07:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:07:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 19:07:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 19:07:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 19:07:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 19:07:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 19:07:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 19:07:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:07:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:07:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:07:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:07:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:07:51,416 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 19:07:51,541 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:07:51,543 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:07:52,308 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:07:52,321 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:07:52,321 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 19:07:52,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:07:52 BoogieIcfgContainer [2022-12-13 19:07:52,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:07:52,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:07:52,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:07:52,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:07:52,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:07:50" (1/3) ... [2022-12-13 19:07:52,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aed3bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:07:52, skipping insertion in model container [2022-12-13 19:07:52,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:07:51" (2/3) ... [2022-12-13 19:07:52,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aed3bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:07:52, skipping insertion in model container [2022-12-13 19:07:52,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:07:52" (3/3) ... [2022-12-13 19:07:52,329 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2022-12-13 19:07:52,336 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 19:07:52,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:07:52,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 117 error locations. [2022-12-13 19:07:52,343 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 19:07:52,436 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 19:07:52,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1011 places, 1049 transitions, 2122 flow [2022-12-13 19:07:52,811 INFO L130 PetriNetUnfolder]: 48/1046 cut-off events. [2022-12-13 19:07:52,811 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 19:07:52,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 1046 events. 48/1046 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2203 event pairs, 0 based on Foata normal form. 0/881 useless extension candidates. Maximal degree in co-relation 830. Up to 2 conditions per place. [2022-12-13 19:07:52,828 INFO L82 GeneralOperation]: Start removeDead. Operand has 1011 places, 1049 transitions, 2122 flow [2022-12-13 19:07:52,847 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 986 places, 1022 transitions, 2062 flow [2022-12-13 19:07:52,850 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 19:07:52,861 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 986 places, 1022 transitions, 2062 flow [2022-12-13 19:07:52,864 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 986 places, 1022 transitions, 2062 flow [2022-12-13 19:07:52,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 986 places, 1022 transitions, 2062 flow [2022-12-13 19:07:53,189 INFO L130 PetriNetUnfolder]: 46/1022 cut-off events. [2022-12-13 19:07:53,189 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 19:07:53,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 1022 events. 46/1022 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2196 event pairs, 0 based on Foata normal form. 0/860 useless extension candidates. Maximal degree in co-relation 830. Up to 2 conditions per place. [2022-12-13 19:07:53,248 INFO L119 LiptonReduction]: Number of co-enabled transitions 160512 [2022-12-13 19:08:12,057 INFO L134 LiptonReduction]: Checked pairs total: 1112402 [2022-12-13 19:08:12,057 INFO L136 LiptonReduction]: Total number of compositions: 1029 [2022-12-13 19:08:12,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:08:12,077 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;@2f5ec662, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:08:12,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 195 error locations. [2022-12-13 19:08:12,078 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 19:08:12,078 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:08:12,078 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:12,079 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 19:08:12,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:12,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:12,082 INFO L85 PathProgramCache]: Analyzing trace with hash 3772, now seen corresponding path program 1 times [2022-12-13 19:08:12,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:12,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663707619] [2022-12-13 19:08:12,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:12,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:12,160 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 19:08:12,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:12,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663707619] [2022-12-13 19:08:12,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663707619] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:12,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:12,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 19:08:12,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789580562] [2022-12-13 19:08:12,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:12,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:08:12,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:12,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:08:12,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:08:12,188 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1013 out of 2078 [2022-12-13 19:08:12,193 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 320 transitions, 658 flow. Second operand has 2 states, 2 states have (on average 1013.5) internal successors, (2027), 2 states have internal predecessors, (2027), 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 19:08:12,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:12,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1013 of 2078 [2022-12-13 19:08:12,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:16,034 INFO L130 PetriNetUnfolder]: 11567/38008 cut-off events. [2022-12-13 19:08:16,034 INFO L131 PetriNetUnfolder]: For 539/539 co-relation queries the response was YES. [2022-12-13 19:08:16,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54376 conditions, 38008 events. 11567/38008 cut-off events. For 539/539 co-relation queries the response was YES. Maximal size of possible extension queue 978. Compared 481997 event pairs, 9493 based on Foata normal form. 2280/32277 useless extension candidates. Maximal degree in co-relation 50928. Up to 15932 conditions per place. [2022-12-13 19:08:16,280 INFO L137 encePairwiseOnDemand]: 2017/2078 looper letters, 64 selfloop transitions, 0 changer transitions 1/259 dead transitions. [2022-12-13 19:08:16,280 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 259 transitions, 666 flow [2022-12-13 19:08:16,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:08:16,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 19:08:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2152 transitions. [2022-12-13 19:08:16,297 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5178055822906641 [2022-12-13 19:08:16,297 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2152 transitions. [2022-12-13 19:08:16,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2152 transitions. [2022-12-13 19:08:16,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:16,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2152 transitions. [2022-12-13 19:08:16,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1076.0) internal successors, (2152), 2 states have internal predecessors, (2152), 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 19:08:16,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2078.0) internal successors, (6234), 3 states have internal predecessors, (6234), 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 19:08:16,321 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2078.0) internal successors, (6234), 3 states have internal predecessors, (6234), 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 19:08:16,323 INFO L175 Difference]: Start difference. First operand has 316 places, 320 transitions, 658 flow. Second operand 2 states and 2152 transitions. [2022-12-13 19:08:16,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 259 transitions, 666 flow [2022-12-13 19:08:16,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 259 transitions, 654 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 19:08:16,334 INFO L231 Difference]: Finished difference. Result has 252 places, 258 transitions, 521 flow [2022-12-13 19:08:16,335 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=521, PETRI_PLACES=252, PETRI_TRANSITIONS=258} [2022-12-13 19:08:16,338 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -64 predicate places. [2022-12-13 19:08:16,338 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 258 transitions, 521 flow [2022-12-13 19:08:16,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1013.5) internal successors, (2027), 2 states have internal predecessors, (2027), 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 19:08:16,339 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:16,340 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:16,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:08:16,340 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:16,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:16,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1439424771, now seen corresponding path program 1 times [2022-12-13 19:08:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:16,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937153310] [2022-12-13 19:08:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:16,476 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 19:08:16,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:16,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937153310] [2022-12-13 19:08:16,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937153310] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:16,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:16,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:08:16,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760088439] [2022-12-13 19:08:16,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:16,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:08:16,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:16,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:08:16,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:16,496 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1000 out of 2078 [2022-12-13 19:08:16,502 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 258 transitions, 521 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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 19:08:16,502 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:16,502 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1000 of 2078 [2022-12-13 19:08:16,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:20,593 INFO L130 PetriNetUnfolder]: 16787/44632 cut-off events. [2022-12-13 19:08:20,593 INFO L131 PetriNetUnfolder]: For 100/100 co-relation queries the response was YES. [2022-12-13 19:08:20,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67932 conditions, 44632 events. 16787/44632 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 1089. Compared 523289 event pairs, 5005 based on Foata normal form. 0/36903 useless extension candidates. Maximal degree in co-relation 67929. Up to 23052 conditions per place. [2022-12-13 19:08:20,868 INFO L137 encePairwiseOnDemand]: 2072/2078 looper letters, 86 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2022-12-13 19:08:20,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 272 transitions, 727 flow [2022-12-13 19:08:20,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:08:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:08:20,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3092 transitions. [2022-12-13 19:08:20,873 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4959897337183189 [2022-12-13 19:08:20,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3092 transitions. [2022-12-13 19:08:20,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3092 transitions. [2022-12-13 19:08:20,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:20,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3092 transitions. [2022-12-13 19:08:20,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1030.6666666666667) internal successors, (3092), 3 states have internal predecessors, (3092), 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 19:08:20,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:20,888 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:20,888 INFO L175 Difference]: Start difference. First operand has 252 places, 258 transitions, 521 flow. Second operand 3 states and 3092 transitions. [2022-12-13 19:08:20,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 272 transitions, 727 flow [2022-12-13 19:08:20,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 272 transitions, 727 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:08:20,892 INFO L231 Difference]: Finished difference. Result has 250 places, 256 transitions, 527 flow [2022-12-13 19:08:20,892 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=250, PETRI_TRANSITIONS=256} [2022-12-13 19:08:20,893 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -66 predicate places. [2022-12-13 19:08:20,893 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 256 transitions, 527 flow [2022-12-13 19:08:20,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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 19:08:20,894 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:20,894 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:20,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:08:20,894 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:20,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:20,895 INFO L85 PathProgramCache]: Analyzing trace with hash -307660929, now seen corresponding path program 1 times [2022-12-13 19:08:20,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:20,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922100904] [2022-12-13 19:08:20,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:20,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:20,969 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 19:08:20,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:20,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922100904] [2022-12-13 19:08:20,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922100904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:20,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:20,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:08:20,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792088712] [2022-12-13 19:08:20,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:20,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:08:20,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:20,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:08:20,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:20,999 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 2078 [2022-12-13 19:08:21,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 256 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 985.3333333333334) internal successors, (2956), 3 states have internal predecessors, (2956), 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 19:08:21,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:21,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 2078 [2022-12-13 19:08:21,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:27,596 INFO L130 PetriNetUnfolder]: 22709/72498 cut-off events. [2022-12-13 19:08:27,596 INFO L131 PetriNetUnfolder]: For 109/109 co-relation queries the response was YES. [2022-12-13 19:08:27,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104174 conditions, 72498 events. 22709/72498 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 1624. Compared 991287 event pairs, 19277 based on Foata normal form. 0/59731 useless extension candidates. Maximal degree in co-relation 104170. Up to 31472 conditions per place. [2022-12-13 19:08:27,960 INFO L137 encePairwiseOnDemand]: 2071/2078 looper letters, 74 selfloop transitions, 1 changer transitions 0/250 dead transitions. [2022-12-13 19:08:27,960 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 250 transitions, 665 flow [2022-12-13 19:08:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:08:27,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:08:27,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3027 transitions. [2022-12-13 19:08:27,966 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.485563041385948 [2022-12-13 19:08:27,966 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3027 transitions. [2022-12-13 19:08:27,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3027 transitions. [2022-12-13 19:08:27,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:27,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3027 transitions. [2022-12-13 19:08:27,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1009.0) internal successors, (3027), 3 states have internal predecessors, (3027), 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 19:08:27,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:27,982 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:27,982 INFO L175 Difference]: Start difference. First operand has 250 places, 256 transitions, 527 flow. Second operand 3 states and 3027 transitions. [2022-12-13 19:08:27,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 250 transitions, 665 flow [2022-12-13 19:08:27,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 250 transitions, 665 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:08:27,985 INFO L231 Difference]: Finished difference. Result has 246 places, 250 transitions, 517 flow [2022-12-13 19:08:27,986 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=517, PETRI_PLACES=246, PETRI_TRANSITIONS=250} [2022-12-13 19:08:27,986 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -70 predicate places. [2022-12-13 19:08:27,986 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 250 transitions, 517 flow [2022-12-13 19:08:27,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 985.3333333333334) internal successors, (2956), 3 states have internal predecessors, (2956), 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 19:08:27,987 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:27,987 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:27,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:08:27,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:27,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:27,988 INFO L85 PathProgramCache]: Analyzing trace with hash -272423018, now seen corresponding path program 1 times [2022-12-13 19:08:27,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:27,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939313234] [2022-12-13 19:08:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:27,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:28,044 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 19:08:28,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:28,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939313234] [2022-12-13 19:08:28,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939313234] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:28,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:28,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:08:28,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158804437] [2022-12-13 19:08:28,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:28,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:08:28,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:28,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:08:28,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:28,061 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1000 out of 2078 [2022-12-13 19:08:28,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 250 transitions, 517 flow. Second operand has 3 states, 3 states have (on average 1004.0) internal successors, (3012), 3 states have internal predecessors, (3012), 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 19:08:28,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:28,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1000 of 2078 [2022-12-13 19:08:28,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:33,388 INFO L130 PetriNetUnfolder]: 19260/57701 cut-off events. [2022-12-13 19:08:33,389 INFO L131 PetriNetUnfolder]: For 148/148 co-relation queries the response was YES. [2022-12-13 19:08:33,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84649 conditions, 57701 events. 19260/57701 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 1277. Compared 733679 event pairs, 12103 based on Foata normal form. 0/47698 useless extension candidates. Maximal degree in co-relation 84644. Up to 26520 conditions per place. [2022-12-13 19:08:33,735 INFO L137 encePairwiseOnDemand]: 2072/2078 looper letters, 94 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2022-12-13 19:08:33,735 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 272 transitions, 755 flow [2022-12-13 19:08:33,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:08:33,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:08:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3100 transitions. [2022-12-13 19:08:33,742 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4972730189284568 [2022-12-13 19:08:33,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3100 transitions. [2022-12-13 19:08:33,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3100 transitions. [2022-12-13 19:08:33,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:33,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3100 transitions. [2022-12-13 19:08:33,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1033.3333333333333) internal successors, (3100), 3 states have internal predecessors, (3100), 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 19:08:33,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:33,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:33,760 INFO L175 Difference]: Start difference. First operand has 246 places, 250 transitions, 517 flow. Second operand 3 states and 3100 transitions. [2022-12-13 19:08:33,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 272 transitions, 755 flow [2022-12-13 19:08:33,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 272 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:08:33,765 INFO L231 Difference]: Finished difference. Result has 244 places, 248 transitions, 522 flow [2022-12-13 19:08:33,765 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=522, PETRI_PLACES=244, PETRI_TRANSITIONS=248} [2022-12-13 19:08:33,766 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -72 predicate places. [2022-12-13 19:08:33,766 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 248 transitions, 522 flow [2022-12-13 19:08:33,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.0) internal successors, (3012), 3 states have internal predecessors, (3012), 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 19:08:33,767 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:33,767 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:33,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:08:33,767 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:33,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:33,768 INFO L85 PathProgramCache]: Analyzing trace with hash 194564312, now seen corresponding path program 1 times [2022-12-13 19:08:33,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:33,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655739230] [2022-12-13 19:08:33,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:33,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:33,824 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 19:08:33,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:33,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655739230] [2022-12-13 19:08:33,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655739230] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:33,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:33,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:08:33,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724939275] [2022-12-13 19:08:33,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:33,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:08:33,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:33,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:08:33,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:33,854 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 2078 [2022-12-13 19:08:33,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 248 transitions, 522 flow. Second operand has 3 states, 3 states have (on average 986.0) internal successors, (2958), 3 states have internal predecessors, (2958), 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 19:08:33,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:33,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 2078 [2022-12-13 19:08:33,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:40,663 INFO L130 PetriNetUnfolder]: 28980/77986 cut-off events. [2022-12-13 19:08:40,664 INFO L131 PetriNetUnfolder]: For 727/727 co-relation queries the response was YES. [2022-12-13 19:08:40,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119442 conditions, 77986 events. 28980/77986 cut-off events. For 727/727 co-relation queries the response was YES. Maximal size of possible extension queue 1632. Compared 984450 event pairs, 25096 based on Foata normal form. 0/66705 useless extension candidates. Maximal degree in co-relation 119437. Up to 40467 conditions per place. [2022-12-13 19:08:41,069 INFO L137 encePairwiseOnDemand]: 2071/2078 looper letters, 76 selfloop transitions, 1 changer transitions 0/242 dead transitions. [2022-12-13 19:08:41,069 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 242 transitions, 664 flow [2022-12-13 19:08:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:08:41,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:08:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3028 transitions. [2022-12-13 19:08:41,074 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4857234520372153 [2022-12-13 19:08:41,074 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3028 transitions. [2022-12-13 19:08:41,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3028 transitions. [2022-12-13 19:08:41,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:41,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3028 transitions. [2022-12-13 19:08:41,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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 19:08:41,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:41,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:41,088 INFO L175 Difference]: Start difference. First operand has 244 places, 248 transitions, 522 flow. Second operand 3 states and 3028 transitions. [2022-12-13 19:08:41,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 242 transitions, 664 flow [2022-12-13 19:08:41,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 242 transitions, 664 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:08:41,092 INFO L231 Difference]: Finished difference. Result has 240 places, 242 transitions, 512 flow [2022-12-13 19:08:41,092 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=240, PETRI_TRANSITIONS=242} [2022-12-13 19:08:41,093 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -76 predicate places. [2022-12-13 19:08:41,093 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 242 transitions, 512 flow [2022-12-13 19:08:41,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 986.0) internal successors, (2958), 3 states have internal predecessors, (2958), 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 19:08:41,095 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:41,095 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 19:08:41,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:08:41,095 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:41,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:41,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1013574161, now seen corresponding path program 1 times [2022-12-13 19:08:41,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:41,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129825926] [2022-12-13 19:08:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:41,242 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 19:08:41,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:41,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129825926] [2022-12-13 19:08:41,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129825926] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:41,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:41,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:08:41,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385277334] [2022-12-13 19:08:41,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:41,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:08:41,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:41,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:08:41,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:08:41,307 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 2078 [2022-12-13 19:08:41,308 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 242 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 1005.3333333333334) internal successors, (3016), 3 states have internal predecessors, (3016), 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 19:08:41,308 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:41,308 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 2078 [2022-12-13 19:08:41,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:44,857 INFO L130 PetriNetUnfolder]: 12732/40949 cut-off events. [2022-12-13 19:08:44,858 INFO L131 PetriNetUnfolder]: For 473/473 co-relation queries the response was YES. [2022-12-13 19:08:44,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59314 conditions, 40949 events. 12732/40949 cut-off events. For 473/473 co-relation queries the response was YES. Maximal size of possible extension queue 1026. Compared 518497 event pairs, 10432 based on Foata normal form. 0/34060 useless extension candidates. Maximal degree in co-relation 59308. Up to 17764 conditions per place. [2022-12-13 19:08:45,087 INFO L137 encePairwiseOnDemand]: 2075/2078 looper letters, 64 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2022-12-13 19:08:45,087 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 243 transitions, 646 flow [2022-12-13 19:08:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:08:45,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:08:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3069 transitions. [2022-12-13 19:08:45,091 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49230028873917225 [2022-12-13 19:08:45,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3069 transitions. [2022-12-13 19:08:45,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3069 transitions. [2022-12-13 19:08:45,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:45,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3069 transitions. [2022-12-13 19:08:45,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1023.0) internal successors, (3069), 3 states have internal predecessors, (3069), 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 19:08:45,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:45,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:08:45,103 INFO L175 Difference]: Start difference. First operand has 240 places, 242 transitions, 512 flow. Second operand 3 states and 3069 transitions. [2022-12-13 19:08:45,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 243 transitions, 646 flow [2022-12-13 19:08:45,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 243 transitions, 645 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:08:45,106 INFO L231 Difference]: Finished difference. Result has 242 places, 243 transitions, 523 flow [2022-12-13 19:08:45,107 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=511, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=523, PETRI_PLACES=242, PETRI_TRANSITIONS=243} [2022-12-13 19:08:45,107 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -74 predicate places. [2022-12-13 19:08:45,107 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 243 transitions, 523 flow [2022-12-13 19:08:45,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1005.3333333333334) internal successors, (3016), 3 states have internal predecessors, (3016), 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 19:08:45,108 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:45,108 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:08:45,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:08:45,108 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:45,109 INFO L85 PathProgramCache]: Analyzing trace with hash -307810135, now seen corresponding path program 1 times [2022-12-13 19:08:45,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:45,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455335757] [2022-12-13 19:08:45,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:45,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:45,197 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 19:08:45,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:45,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455335757] [2022-12-13 19:08:45,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455335757] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:45,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:45,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:08:45,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067395455] [2022-12-13 19:08:45,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:45,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:08:45,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:45,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:08:45,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:08:45,377 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 999 out of 2078 [2022-12-13 19:08:45,380 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 243 transitions, 523 flow. Second operand has 4 states, 4 states have (on average 1002.5) internal successors, (4010), 4 states have internal predecessors, (4010), 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 19:08:45,380 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:45,380 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 999 of 2078 [2022-12-13 19:08:45,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:48,953 INFO L130 PetriNetUnfolder]: 12732/40470 cut-off events. [2022-12-13 19:08:48,953 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2022-12-13 19:08:49,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58842 conditions, 40470 events. 12732/40470 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 508762 event pairs, 10432 based on Foata normal form. 0/33597 useless extension candidates. Maximal degree in co-relation 58835. Up to 17763 conditions per place. [2022-12-13 19:08:49,177 INFO L137 encePairwiseOnDemand]: 2073/2078 looper letters, 63 selfloop transitions, 4 changer transitions 0/244 dead transitions. [2022-12-13 19:08:49,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 244 transitions, 659 flow [2022-12-13 19:08:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:08:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:08:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4063 transitions. [2022-12-13 19:08:49,183 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4888113570741097 [2022-12-13 19:08:49,183 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 4063 transitions. [2022-12-13 19:08:49,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4063 transitions. [2022-12-13 19:08:49,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:49,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 4063 transitions. [2022-12-13 19:08:49,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1015.75) internal successors, (4063), 4 states have internal predecessors, (4063), 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 19:08:49,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:08:49,202 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:08:49,202 INFO L175 Difference]: Start difference. First operand has 242 places, 243 transitions, 523 flow. Second operand 4 states and 4063 transitions. [2022-12-13 19:08:49,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 244 transitions, 659 flow [2022-12-13 19:08:49,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 244 transitions, 655 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 19:08:49,208 INFO L231 Difference]: Finished difference. Result has 245 places, 244 transitions, 537 flow [2022-12-13 19:08:49,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=537, PETRI_PLACES=245, PETRI_TRANSITIONS=244} [2022-12-13 19:08:49,208 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -71 predicate places. [2022-12-13 19:08:49,209 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 244 transitions, 537 flow [2022-12-13 19:08:49,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1002.5) internal successors, (4010), 4 states have internal predecessors, (4010), 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 19:08:49,210 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:49,210 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 19:08:49,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:08:49,210 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:49,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:49,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1508597315, now seen corresponding path program 1 times [2022-12-13 19:08:49,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:49,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556787892] [2022-12-13 19:08:49,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:49,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:49,339 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 19:08:49,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:49,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556787892] [2022-12-13 19:08:49,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556787892] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:49,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:49,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:08:49,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912140485] [2022-12-13 19:08:49,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:49,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:08:49,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:49,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:08:49,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:08:49,474 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 999 out of 2078 [2022-12-13 19:08:49,476 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 244 transitions, 537 flow. Second operand has 4 states, 4 states have (on average 1002.75) internal successors, (4011), 4 states have internal predecessors, (4011), 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 19:08:49,476 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:49,476 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 999 of 2078 [2022-12-13 19:08:49,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:53,151 INFO L130 PetriNetUnfolder]: 12732/40471 cut-off events. [2022-12-13 19:08:53,151 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2022-12-13 19:08:53,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58851 conditions, 40471 events. 12732/40471 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 508696 event pairs, 10432 based on Foata normal form. 0/33599 useless extension candidates. Maximal degree in co-relation 58843. Up to 17764 conditions per place. [2022-12-13 19:08:53,358 INFO L137 encePairwiseOnDemand]: 2073/2078 looper letters, 64 selfloop transitions, 4 changer transitions 0/245 dead transitions. [2022-12-13 19:08:53,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 245 transitions, 675 flow [2022-12-13 19:08:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:08:53,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:08:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4063 transitions. [2022-12-13 19:08:53,364 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4888113570741097 [2022-12-13 19:08:53,364 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 4063 transitions. [2022-12-13 19:08:53,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4063 transitions. [2022-12-13 19:08:53,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:53,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 4063 transitions. [2022-12-13 19:08:53,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1015.75) internal successors, (4063), 4 states have internal predecessors, (4063), 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 19:08:53,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:08:53,377 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:08:53,377 INFO L175 Difference]: Start difference. First operand has 245 places, 244 transitions, 537 flow. Second operand 4 states and 4063 transitions. [2022-12-13 19:08:53,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 245 transitions, 675 flow [2022-12-13 19:08:53,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 245 transitions, 674 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:08:53,380 INFO L231 Difference]: Finished difference. Result has 248 places, 245 transitions, 554 flow [2022-12-13 19:08:53,380 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=554, PETRI_PLACES=248, PETRI_TRANSITIONS=245} [2022-12-13 19:08:53,381 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -68 predicate places. [2022-12-13 19:08:53,381 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 245 transitions, 554 flow [2022-12-13 19:08:53,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1002.75) internal successors, (4011), 4 states have internal predecessors, (4011), 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 19:08:53,382 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:53,382 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] [2022-12-13 19:08:53,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:08:53,382 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:53,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:53,382 INFO L85 PathProgramCache]: Analyzing trace with hash -323270216, now seen corresponding path program 1 times [2022-12-13 19:08:53,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:53,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117685280] [2022-12-13 19:08:53,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:53,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:08:53,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:53,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117685280] [2022-12-13 19:08:53,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117685280] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:53,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:53,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:08:53,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723618496] [2022-12-13 19:08:53,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:53,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:08:53,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:53,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:08:53,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:08:53,599 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 999 out of 2078 [2022-12-13 19:08:53,602 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 245 transitions, 554 flow. Second operand has 4 states, 4 states have (on average 1003.0) internal successors, (4012), 4 states have internal predecessors, (4012), 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 19:08:53,602 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:53,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 999 of 2078 [2022-12-13 19:08:53,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:08:57,324 INFO L130 PetriNetUnfolder]: 12732/40472 cut-off events. [2022-12-13 19:08:57,324 INFO L131 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2022-12-13 19:08:57,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58862 conditions, 40472 events. 12732/40472 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 508668 event pairs, 10432 based on Foata normal form. 0/33601 useless extension candidates. Maximal degree in co-relation 58853. Up to 17766 conditions per place. [2022-12-13 19:08:57,598 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 66 selfloop transitions, 3 changer transitions 0/246 dead transitions. [2022-12-13 19:08:57,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 246 transitions, 694 flow [2022-12-13 19:08:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:08:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:08:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4062 transitions. [2022-12-13 19:08:57,613 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4886910490856593 [2022-12-13 19:08:57,614 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 4062 transitions. [2022-12-13 19:08:57,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4062 transitions. [2022-12-13 19:08:57,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:08:57,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 4062 transitions. [2022-12-13 19:08:57,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1015.5) internal successors, (4062), 4 states have internal predecessors, (4062), 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 19:08:57,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:08:57,632 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:08:57,632 INFO L175 Difference]: Start difference. First operand has 248 places, 245 transitions, 554 flow. Second operand 4 states and 4062 transitions. [2022-12-13 19:08:57,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 246 transitions, 694 flow [2022-12-13 19:08:57,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 246 transitions, 690 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 19:08:57,635 INFO L231 Difference]: Finished difference. Result has 250 places, 246 transitions, 564 flow [2022-12-13 19:08:57,635 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=564, PETRI_PLACES=250, PETRI_TRANSITIONS=246} [2022-12-13 19:08:57,635 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -66 predicate places. [2022-12-13 19:08:57,635 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 246 transitions, 564 flow [2022-12-13 19:08:57,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1003.0) internal successors, (4012), 4 states have internal predecessors, (4012), 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 19:08:57,636 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:08:57,636 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 19:08:57,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 19:08:57,636 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:08:57,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:08:57,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1801682085, now seen corresponding path program 1 times [2022-12-13 19:08:57,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:08:57,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672520431] [2022-12-13 19:08:57,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:08:57,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:08:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:08:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:08:57,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:08:57,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672520431] [2022-12-13 19:08:57,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672520431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:08:57,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:08:57,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:08:57,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053520531] [2022-12-13 19:08:57,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:08:57,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:08:57,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:08:57,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:08:57,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:08:57,911 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 999 out of 2078 [2022-12-13 19:08:57,913 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 246 transitions, 564 flow. Second operand has 4 states, 4 states have (on average 1003.25) internal successors, (4013), 4 states have internal predecessors, (4013), 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 19:08:57,913 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:08:57,913 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 999 of 2078 [2022-12-13 19:08:57,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:09:01,972 INFO L130 PetriNetUnfolder]: 12732/40473 cut-off events. [2022-12-13 19:09:01,973 INFO L131 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2022-12-13 19:09:02,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58869 conditions, 40473 events. 12732/40473 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 509013 event pairs, 10432 based on Foata normal form. 0/33603 useless extension candidates. Maximal degree in co-relation 58859. Up to 17767 conditions per place. [2022-12-13 19:09:02,200 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 67 selfloop transitions, 3 changer transitions 0/247 dead transitions. [2022-12-13 19:09:02,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 247 transitions, 706 flow [2022-12-13 19:09:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:09:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:09:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4062 transitions. [2022-12-13 19:09:02,205 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4886910490856593 [2022-12-13 19:09:02,206 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 4062 transitions. [2022-12-13 19:09:02,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4062 transitions. [2022-12-13 19:09:02,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:09:02,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 4062 transitions. [2022-12-13 19:09:02,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1015.5) internal successors, (4062), 4 states have internal predecessors, (4062), 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 19:09:02,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:09:02,217 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:09:02,217 INFO L175 Difference]: Start difference. First operand has 250 places, 246 transitions, 564 flow. Second operand 4 states and 4062 transitions. [2022-12-13 19:09:02,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 247 transitions, 706 flow [2022-12-13 19:09:02,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 247 transitions, 700 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 19:09:02,220 INFO L231 Difference]: Finished difference. Result has 252 places, 247 transitions, 572 flow [2022-12-13 19:09:02,221 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=572, PETRI_PLACES=252, PETRI_TRANSITIONS=247} [2022-12-13 19:09:02,221 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -64 predicate places. [2022-12-13 19:09:02,221 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 247 transitions, 572 flow [2022-12-13 19:09:02,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1003.25) internal successors, (4013), 4 states have internal predecessors, (4013), 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 19:09:02,222 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:09:02,222 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 19:09:02,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 19:09:02,222 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:09:02,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:02,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1681087856, now seen corresponding path program 1 times [2022-12-13 19:09:02,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:02,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849839740] [2022-12-13 19:09:02,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:02,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 19:09:02,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:02,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849839740] [2022-12-13 19:09:02,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849839740] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:02,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:02,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:09:02,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553334947] [2022-12-13 19:09:02,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:02,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:09:02,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:02,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:09:02,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:09:02,455 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 999 out of 2078 [2022-12-13 19:09:02,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 247 transitions, 572 flow. Second operand has 4 states, 4 states have (on average 1003.5) internal successors, (4014), 4 states have internal predecessors, (4014), 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 19:09:02,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:09:02,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 999 of 2078 [2022-12-13 19:09:02,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:09:06,296 INFO L130 PetriNetUnfolder]: 12732/40474 cut-off events. [2022-12-13 19:09:06,296 INFO L131 PetriNetUnfolder]: For 524/524 co-relation queries the response was YES. [2022-12-13 19:09:06,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58875 conditions, 40474 events. 12732/40474 cut-off events. For 524/524 co-relation queries the response was YES. Maximal size of possible extension queue 1012. Compared 508773 event pairs, 10432 based on Foata normal form. 0/33605 useless extension candidates. Maximal degree in co-relation 58864. Up to 17768 conditions per place. [2022-12-13 19:09:06,549 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 68 selfloop transitions, 3 changer transitions 0/248 dead transitions. [2022-12-13 19:09:06,550 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 248 transitions, 716 flow [2022-12-13 19:09:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:09:06,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:09:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4062 transitions. [2022-12-13 19:09:06,554 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4886910490856593 [2022-12-13 19:09:06,554 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 4062 transitions. [2022-12-13 19:09:06,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4062 transitions. [2022-12-13 19:09:06,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:09:06,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 4062 transitions. [2022-12-13 19:09:06,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1015.5) internal successors, (4062), 4 states have internal predecessors, (4062), 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 19:09:06,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:09:06,564 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2078.0) internal successors, (10390), 5 states have internal predecessors, (10390), 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 19:09:06,564 INFO L175 Difference]: Start difference. First operand has 252 places, 247 transitions, 572 flow. Second operand 4 states and 4062 transitions. [2022-12-13 19:09:06,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 248 transitions, 716 flow [2022-12-13 19:09:06,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 248 transitions, 710 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 19:09:06,567 INFO L231 Difference]: Finished difference. Result has 254 places, 248 transitions, 580 flow [2022-12-13 19:09:06,568 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=580, PETRI_PLACES=254, PETRI_TRANSITIONS=248} [2022-12-13 19:09:06,568 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -62 predicate places. [2022-12-13 19:09:06,568 INFO L495 AbstractCegarLoop]: Abstraction has has 254 places, 248 transitions, 580 flow [2022-12-13 19:09:06,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1003.5) internal successors, (4014), 4 states have internal predecessors, (4014), 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 19:09:06,569 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:09:06,569 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 19:09:06,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 19:09:06,569 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:09:06,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:06,569 INFO L85 PathProgramCache]: Analyzing trace with hash -435489420, now seen corresponding path program 1 times [2022-12-13 19:09:06,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:06,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945868168] [2022-12-13 19:09:06,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:06,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:09:06,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:06,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945868168] [2022-12-13 19:09:06,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945868168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:06,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:06,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:09:06,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513618945] [2022-12-13 19:09:06,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:06,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:06,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:06,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:06,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:07,746 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 989 out of 2078 [2022-12-13 19:09:07,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 248 transitions, 580 flow. Second operand has 6 states, 6 states have (on average 992.8333333333334) internal successors, (5957), 6 states have internal predecessors, (5957), 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 19:09:07,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:09:07,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 989 of 2078 [2022-12-13 19:09:07,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:09:14,242 INFO L130 PetriNetUnfolder]: 39857/66207 cut-off events. [2022-12-13 19:09:14,242 INFO L131 PetriNetUnfolder]: For 1166/1166 co-relation queries the response was YES. [2022-12-13 19:09:14,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121285 conditions, 66207 events. 39857/66207 cut-off events. For 1166/1166 co-relation queries the response was YES. Maximal size of possible extension queue 1917. Compared 610790 event pairs, 3998 based on Foata normal form. 0/54811 useless extension candidates. Maximal degree in co-relation 121273. Up to 19144 conditions per place. [2022-12-13 19:09:14,685 INFO L137 encePairwiseOnDemand]: 2073/2078 looper letters, 239 selfloop transitions, 4 changer transitions 0/415 dead transitions. [2022-12-13 19:09:14,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 415 transitions, 1420 flow [2022-12-13 19:09:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:09:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:09:14,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6167 transitions. [2022-12-13 19:09:14,692 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49462624318254733 [2022-12-13 19:09:14,692 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6167 transitions. [2022-12-13 19:09:14,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6167 transitions. [2022-12-13 19:09:14,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:09:14,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6167 transitions. [2022-12-13 19:09:14,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1027.8333333333333) internal successors, (6167), 6 states have internal predecessors, (6167), 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 19:09:14,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:09:14,709 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:09:14,709 INFO L175 Difference]: Start difference. First operand has 254 places, 248 transitions, 580 flow. Second operand 6 states and 6167 transitions. [2022-12-13 19:09:14,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 415 transitions, 1420 flow [2022-12-13 19:09:14,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 415 transitions, 1414 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 19:09:14,713 INFO L231 Difference]: Finished difference. Result has 256 places, 247 transitions, 580 flow [2022-12-13 19:09:14,713 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=580, PETRI_PLACES=256, PETRI_TRANSITIONS=247} [2022-12-13 19:09:14,714 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -60 predicate places. [2022-12-13 19:09:14,714 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 247 transitions, 580 flow [2022-12-13 19:09:14,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 992.8333333333334) internal successors, (5957), 6 states have internal predecessors, (5957), 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 19:09:14,714 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:09:14,715 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 19:09:14,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 19:09:14,715 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:09:14,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:14,715 INFO L85 PathProgramCache]: Analyzing trace with hash -742552130, now seen corresponding path program 1 times [2022-12-13 19:09:14,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:14,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291260088] [2022-12-13 19:09:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:14,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:15,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:09:15,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:15,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291260088] [2022-12-13 19:09:15,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291260088] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:15,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:15,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:09:15,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477252248] [2022-12-13 19:09:15,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:15,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:15,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:15,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:15,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:15,657 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 970 out of 2078 [2022-12-13 19:09:15,661 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 247 transitions, 580 flow. Second operand has 6 states, 6 states have (on average 973.1666666666666) internal successors, (5839), 6 states have internal predecessors, (5839), 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 19:09:15,661 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:09:15,661 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 970 of 2078 [2022-12-13 19:09:15,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:09:22,389 INFO L130 PetriNetUnfolder]: 31013/68277 cut-off events. [2022-12-13 19:09:22,390 INFO L131 PetriNetUnfolder]: For 6209/6209 co-relation queries the response was YES. [2022-12-13 19:09:22,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118060 conditions, 68277 events. 31013/68277 cut-off events. For 6209/6209 co-relation queries the response was YES. Maximal size of possible extension queue 1571. Compared 756485 event pairs, 7473 based on Foata normal form. 0/59757 useless extension candidates. Maximal degree in co-relation 118048. Up to 41852 conditions per place. [2022-12-13 19:09:22,819 INFO L137 encePairwiseOnDemand]: 2066/2078 looper letters, 164 selfloop transitions, 8 changer transitions 0/327 dead transitions. [2022-12-13 19:09:22,820 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 327 transitions, 1100 flow [2022-12-13 19:09:22,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:09:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:09:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5989 transitions. [2022-12-13 19:09:22,827 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4803496952197626 [2022-12-13 19:09:22,827 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5989 transitions. [2022-12-13 19:09:22,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5989 transitions. [2022-12-13 19:09:22,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:09:22,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5989 transitions. [2022-12-13 19:09:22,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 998.1666666666666) internal successors, (5989), 6 states have internal predecessors, (5989), 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 19:09:22,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:09:22,843 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:09:22,843 INFO L175 Difference]: Start difference. First operand has 256 places, 247 transitions, 580 flow. Second operand 6 states and 5989 transitions. [2022-12-13 19:09:22,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 327 transitions, 1100 flow [2022-12-13 19:09:22,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 327 transitions, 1085 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 19:09:22,852 INFO L231 Difference]: Finished difference. Result has 257 places, 251 transitions, 627 flow [2022-12-13 19:09:22,852 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=627, PETRI_PLACES=257, PETRI_TRANSITIONS=251} [2022-12-13 19:09:22,852 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -59 predicate places. [2022-12-13 19:09:22,853 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 251 transitions, 627 flow [2022-12-13 19:09:22,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 973.1666666666666) internal successors, (5839), 6 states have internal predecessors, (5839), 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 19:09:22,853 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:09:22,853 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 19:09:22,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 19:09:22,854 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:09:22,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:22,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1885938025, now seen corresponding path program 1 times [2022-12-13 19:09:22,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:22,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947241639] [2022-12-13 19:09:22,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:22,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:09:23,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:23,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947241639] [2022-12-13 19:09:23,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947241639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:23,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:23,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:09:23,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851491757] [2022-12-13 19:09:23,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:23,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:23,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:23,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:23,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:24,036 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 970 out of 2078 [2022-12-13 19:09:24,040 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 251 transitions, 627 flow. Second operand has 6 states, 6 states have (on average 973.5) internal successors, (5841), 6 states have internal predecessors, (5841), 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 19:09:24,040 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:09:24,040 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 970 of 2078 [2022-12-13 19:09:24,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:09:33,430 INFO L130 PetriNetUnfolder]: 41645/96523 cut-off events. [2022-12-13 19:09:33,430 INFO L131 PetriNetUnfolder]: For 1835/1911 co-relation queries the response was YES. [2022-12-13 19:09:33,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157686 conditions, 96523 events. 41645/96523 cut-off events. For 1835/1911 co-relation queries the response was YES. Maximal size of possible extension queue 2005. Compared 1153135 event pairs, 7284 based on Foata normal form. 0/85380 useless extension candidates. Maximal degree in co-relation 157671. Up to 54371 conditions per place. [2022-12-13 19:09:34,122 INFO L137 encePairwiseOnDemand]: 2066/2078 looper letters, 205 selfloop transitions, 8 changer transitions 0/371 dead transitions. [2022-12-13 19:09:34,122 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 371 transitions, 1333 flow [2022-12-13 19:09:34,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:09:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:09:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6025 transitions. [2022-12-13 19:09:34,129 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.483237086942573 [2022-12-13 19:09:34,129 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6025 transitions. [2022-12-13 19:09:34,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6025 transitions. [2022-12-13 19:09:34,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:09:34,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6025 transitions. [2022-12-13 19:09:34,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1004.1666666666666) internal successors, (6025), 6 states have internal predecessors, (6025), 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 19:09:34,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:09:34,143 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:09:34,144 INFO L175 Difference]: Start difference. First operand has 257 places, 251 transitions, 627 flow. Second operand 6 states and 6025 transitions. [2022-12-13 19:09:34,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 371 transitions, 1333 flow [2022-12-13 19:09:34,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 371 transitions, 1333 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:09:34,151 INFO L231 Difference]: Finished difference. Result has 262 places, 255 transitions, 681 flow [2022-12-13 19:09:34,151 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=619, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=681, PETRI_PLACES=262, PETRI_TRANSITIONS=255} [2022-12-13 19:09:34,151 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -54 predicate places. [2022-12-13 19:09:34,151 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 255 transitions, 681 flow [2022-12-13 19:09:34,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 973.5) internal successors, (5841), 6 states have internal predecessors, (5841), 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 19:09:34,152 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:09:34,152 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] [2022-12-13 19:09:34,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 19:09:34,152 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:09:34,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:34,153 INFO L85 PathProgramCache]: Analyzing trace with hash 90553953, now seen corresponding path program 1 times [2022-12-13 19:09:34,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:34,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446239676] [2022-12-13 19:09:34,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:34,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:09:34,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:34,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446239676] [2022-12-13 19:09:34,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446239676] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:34,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:34,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:34,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906189092] [2022-12-13 19:09:34,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:34,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:34,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:34,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:34,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:34,217 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1000 out of 2078 [2022-12-13 19:09:34,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 255 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 1006.3333333333334) internal successors, (3019), 3 states have internal predecessors, (3019), 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 19:09:34,218 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:09:34,218 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1000 of 2078 [2022-12-13 19:09:34,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:09:41,133 INFO L130 PetriNetUnfolder]: 24653/65410 cut-off events. [2022-12-13 19:09:41,133 INFO L131 PetriNetUnfolder]: For 1504/1554 co-relation queries the response was YES. [2022-12-13 19:09:41,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102667 conditions, 65410 events. 24653/65410 cut-off events. For 1504/1554 co-relation queries the response was YES. Maximal size of possible extension queue 1487. Compared 805192 event pairs, 6536 based on Foata normal form. 0/56704 useless extension candidates. Maximal degree in co-relation 102648. Up to 34093 conditions per place. [2022-12-13 19:09:41,617 INFO L137 encePairwiseOnDemand]: 2072/2078 looper letters, 100 selfloop transitions, 2 changer transitions 0/275 dead transitions. [2022-12-13 19:09:41,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 275 transitions, 938 flow [2022-12-13 19:09:41,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:41,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:09:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3096 transitions. [2022-12-13 19:09:41,621 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4966313763233879 [2022-12-13 19:09:41,621 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3096 transitions. [2022-12-13 19:09:41,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3096 transitions. [2022-12-13 19:09:41,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:09:41,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3096 transitions. [2022-12-13 19:09:41,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1032.0) internal successors, (3096), 3 states have internal predecessors, (3096), 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 19:09:41,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:09:41,629 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:09:41,629 INFO L175 Difference]: Start difference. First operand has 262 places, 255 transitions, 681 flow. Second operand 3 states and 3096 transitions. [2022-12-13 19:09:41,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 275 transitions, 938 flow [2022-12-13 19:09:41,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 275 transitions, 938 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:09:41,634 INFO L231 Difference]: Finished difference. Result has 261 places, 253 transitions, 687 flow [2022-12-13 19:09:41,634 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=687, PETRI_PLACES=261, PETRI_TRANSITIONS=253} [2022-12-13 19:09:41,634 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -55 predicate places. [2022-12-13 19:09:41,634 INFO L495 AbstractCegarLoop]: Abstraction has has 261 places, 253 transitions, 687 flow [2022-12-13 19:09:41,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1006.3333333333334) internal successors, (3019), 3 states have internal predecessors, (3019), 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 19:09:41,635 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:09:41,635 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:09:41,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 19:09:41,635 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:09:41,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:41,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1123083107, now seen corresponding path program 1 times [2022-12-13 19:09:41,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:41,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413485706] [2022-12-13 19:09:41,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:41,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:09:41,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:41,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413485706] [2022-12-13 19:09:41,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413485706] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:41,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:41,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:41,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277382598] [2022-12-13 19:09:41,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:41,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:41,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:41,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:41,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:41,704 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 2078 [2022-12-13 19:09:41,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 253 transitions, 687 flow. Second operand has 3 states, 3 states have (on average 988.6666666666666) internal successors, (2966), 3 states have internal predecessors, (2966), 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 19:09:41,707 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:09:41,707 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 2078 [2022-12-13 19:09:41,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:09:50,603 INFO L130 PetriNetUnfolder]: 32221/83551 cut-off events. [2022-12-13 19:09:50,604 INFO L131 PetriNetUnfolder]: For 3103/3168 co-relation queries the response was YES. [2022-12-13 19:09:51,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133762 conditions, 83551 events. 32221/83551 cut-off events. For 3103/3168 co-relation queries the response was YES. Maximal size of possible extension queue 1958. Compared 1054865 event pairs, 26827 based on Foata normal form. 2/74179 useless extension candidates. Maximal degree in co-relation 133742. Up to 46448 conditions per place. [2022-12-13 19:09:51,304 INFO L137 encePairwiseOnDemand]: 2071/2078 looper letters, 84 selfloop transitions, 1 changer transitions 0/247 dead transitions. [2022-12-13 19:09:51,304 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 247 transitions, 845 flow [2022-12-13 19:09:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:09:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3027 transitions. [2022-12-13 19:09:51,310 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.485563041385948 [2022-12-13 19:09:51,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3027 transitions. [2022-12-13 19:09:51,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3027 transitions. [2022-12-13 19:09:51,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:09:51,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3027 transitions. [2022-12-13 19:09:51,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1009.0) internal successors, (3027), 3 states have internal predecessors, (3027), 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 19:09:51,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:09:51,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:09:51,322 INFO L175 Difference]: Start difference. First operand has 261 places, 253 transitions, 687 flow. Second operand 3 states and 3027 transitions. [2022-12-13 19:09:51,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 247 transitions, 845 flow [2022-12-13 19:09:51,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 247 transitions, 845 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:09:51,328 INFO L231 Difference]: Finished difference. Result has 257 places, 247 transitions, 677 flow [2022-12-13 19:09:51,328 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=677, PETRI_PLACES=257, PETRI_TRANSITIONS=247} [2022-12-13 19:09:51,329 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -59 predicate places. [2022-12-13 19:09:51,329 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 247 transitions, 677 flow [2022-12-13 19:09:51,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.6666666666666) internal successors, (2966), 3 states have internal predecessors, (2966), 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 19:09:51,329 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:09:51,329 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] [2022-12-13 19:09:51,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 19:09:51,330 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:09:51,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:51,330 INFO L85 PathProgramCache]: Analyzing trace with hash 850118388, now seen corresponding path program 1 times [2022-12-13 19:09:51,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:51,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508650239] [2022-12-13 19:09:51,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:51,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:09:51,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:51,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508650239] [2022-12-13 19:09:51,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508650239] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:51,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:51,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:09:51,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653283916] [2022-12-13 19:09:51,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:51,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:09:51,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:51,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:09:51,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:09:51,408 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1006 out of 2078 [2022-12-13 19:09:51,411 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 247 transitions, 677 flow. Second operand has 3 states, 3 states have (on average 1012.3333333333334) internal successors, (3037), 3 states have internal predecessors, (3037), 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 19:09:51,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:09:51,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1006 of 2078 [2022-12-13 19:09:51,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:09:57,252 INFO L130 PetriNetUnfolder]: 19287/49918 cut-off events. [2022-12-13 19:09:57,252 INFO L131 PetriNetUnfolder]: For 2181/2221 co-relation queries the response was YES. [2022-12-13 19:09:57,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80675 conditions, 49918 events. 19287/49918 cut-off events. For 2181/2221 co-relation queries the response was YES. Maximal size of possible extension queue 1330. Compared 596033 event pairs, 4665 based on Foata normal form. 0/44028 useless extension candidates. Maximal degree in co-relation 80654. Up to 24700 conditions per place. [2022-12-13 19:09:57,641 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 103 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2022-12-13 19:09:57,641 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 274 transitions, 960 flow [2022-12-13 19:09:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:09:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:09:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3112 transitions. [2022-12-13 19:09:57,645 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4991979467436638 [2022-12-13 19:09:57,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3112 transitions. [2022-12-13 19:09:57,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3112 transitions. [2022-12-13 19:09:57,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:09:57,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3112 transitions. [2022-12-13 19:09:57,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1037.3333333333333) internal successors, (3112), 3 states have internal predecessors, (3112), 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 19:09:57,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:09:57,653 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:09:57,653 INFO L175 Difference]: Start difference. First operand has 257 places, 247 transitions, 677 flow. Second operand 3 states and 3112 transitions. [2022-12-13 19:09:57,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 274 transitions, 960 flow [2022-12-13 19:09:57,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 274 transitions, 959 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:09:57,658 INFO L231 Difference]: Finished difference. Result has 257 places, 247 transitions, 686 flow [2022-12-13 19:09:57,658 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=257, PETRI_TRANSITIONS=247} [2022-12-13 19:09:57,658 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -59 predicate places. [2022-12-13 19:09:57,658 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 247 transitions, 686 flow [2022-12-13 19:09:57,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1012.3333333333334) internal successors, (3037), 3 states have internal predecessors, (3037), 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 19:09:57,659 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:09:57,659 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] [2022-12-13 19:09:57,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 19:09:57,659 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:09:57,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:09:57,659 INFO L85 PathProgramCache]: Analyzing trace with hash 850955783, now seen corresponding path program 1 times [2022-12-13 19:09:57,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:09:57,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382652163] [2022-12-13 19:09:57,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:09:57,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:09:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:09:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:09:57,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:09:57,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382652163] [2022-12-13 19:09:57,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382652163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:09:57,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:09:57,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:09:57,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975264910] [2022-12-13 19:09:57,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:09:57,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:09:57,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:09:57,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:09:57,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:09:58,672 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 970 out of 2078 [2022-12-13 19:09:58,675 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 247 transitions, 686 flow. Second operand has 6 states, 6 states have (on average 973.8333333333334) internal successors, (5843), 6 states have internal predecessors, (5843), 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 19:09:58,675 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:09:58,675 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 970 of 2078 [2022-12-13 19:09:58,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:10:07,189 INFO L130 PetriNetUnfolder]: 37254/76749 cut-off events. [2022-12-13 19:10:07,189 INFO L131 PetriNetUnfolder]: For 4745/4817 co-relation queries the response was YES. [2022-12-13 19:10:07,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137107 conditions, 76749 events. 37254/76749 cut-off events. For 4745/4817 co-relation queries the response was YES. Maximal size of possible extension queue 1727. Compared 826455 event pairs, 7229 based on Foata normal form. 0/68653 useless extension candidates. Maximal degree in co-relation 137086. Up to 47422 conditions per place. [2022-12-13 19:10:07,754 INFO L137 encePairwiseOnDemand]: 2066/2078 looper letters, 198 selfloop transitions, 8 changer transitions 0/359 dead transitions. [2022-12-13 19:10:07,755 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 359 transitions, 1402 flow [2022-12-13 19:10:07,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:10:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:10:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6010 transitions. [2022-12-13 19:10:07,760 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48203400705806865 [2022-12-13 19:10:07,760 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6010 transitions. [2022-12-13 19:10:07,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6010 transitions. [2022-12-13 19:10:07,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:10:07,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6010 transitions. [2022-12-13 19:10:07,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1001.6666666666666) internal successors, (6010), 6 states have internal predecessors, (6010), 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 19:10:07,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:10:07,774 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:10:07,774 INFO L175 Difference]: Start difference. First operand has 257 places, 247 transitions, 686 flow. Second operand 6 states and 6010 transitions. [2022-12-13 19:10:07,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 359 transitions, 1402 flow [2022-12-13 19:10:07,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 359 transitions, 1402 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:10:07,779 INFO L231 Difference]: Finished difference. Result has 262 places, 251 transitions, 740 flow [2022-12-13 19:10:07,779 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=740, PETRI_PLACES=262, PETRI_TRANSITIONS=251} [2022-12-13 19:10:07,780 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -54 predicate places. [2022-12-13 19:10:07,780 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 251 transitions, 740 flow [2022-12-13 19:10:07,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 973.8333333333334) internal successors, (5843), 6 states have internal predecessors, (5843), 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 19:10:07,781 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:10:07,781 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] [2022-12-13 19:10:07,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 19:10:07,781 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:10:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:07,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1725530616, now seen corresponding path program 1 times [2022-12-13 19:10:07,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:07,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532533588] [2022-12-13 19:10:07,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:07,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:10:07,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:10:07,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532533588] [2022-12-13 19:10:07,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532533588] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:07,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:07,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:10:07,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679060498] [2022-12-13 19:10:07,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:07,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:10:07,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:10:07,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:10:07,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:10:07,828 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1006 out of 2078 [2022-12-13 19:10:07,830 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 251 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 1013.0) internal successors, (3039), 3 states have internal predecessors, (3039), 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 19:10:07,830 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:10:07,830 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1006 of 2078 [2022-12-13 19:10:07,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:10:16,723 INFO L130 PetriNetUnfolder]: 26099/81199 cut-off events. [2022-12-13 19:10:16,723 INFO L131 PetriNetUnfolder]: For 5284/5430 co-relation queries the response was YES. [2022-12-13 19:10:17,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127452 conditions, 81199 events. 26099/81199 cut-off events. For 5284/5430 co-relation queries the response was YES. Maximal size of possible extension queue 1895. Compared 1119079 event pairs, 7404 based on Foata normal form. 0/73535 useless extension candidates. Maximal degree in co-relation 127427. Up to 24491 conditions per place. [2022-12-13 19:10:17,451 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 123 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2022-12-13 19:10:17,451 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 295 transitions, 1115 flow [2022-12-13 19:10:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:10:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:10:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3126 transitions. [2022-12-13 19:10:17,454 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5014436958614052 [2022-12-13 19:10:17,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3126 transitions. [2022-12-13 19:10:17,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3126 transitions. [2022-12-13 19:10:17,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:10:17,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3126 transitions. [2022-12-13 19:10:17,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1042.0) internal successors, (3126), 3 states have internal predecessors, (3126), 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 19:10:17,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:10:17,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:10:17,462 INFO L175 Difference]: Start difference. First operand has 262 places, 251 transitions, 740 flow. Second operand 3 states and 3126 transitions. [2022-12-13 19:10:17,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 295 transitions, 1115 flow [2022-12-13 19:10:17,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 295 transitions, 1115 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:10:17,476 INFO L231 Difference]: Finished difference. Result has 263 places, 251 transitions, 750 flow [2022-12-13 19:10:17,476 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=263, PETRI_TRANSITIONS=251} [2022-12-13 19:10:17,476 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -53 predicate places. [2022-12-13 19:10:17,476 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 251 transitions, 750 flow [2022-12-13 19:10:17,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1013.0) internal successors, (3039), 3 states have internal predecessors, (3039), 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 19:10:17,477 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:10:17,477 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:17,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 19:10:17,477 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:10:17,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:17,477 INFO L85 PathProgramCache]: Analyzing trace with hash -953647659, now seen corresponding path program 1 times [2022-12-13 19:10:17,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:17,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296691864] [2022-12-13 19:10:17,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:17,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:10:17,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:10:17,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296691864] [2022-12-13 19:10:17,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296691864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:17,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:17,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:10:17,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309278971] [2022-12-13 19:10:17,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:17,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:10:17,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:10:17,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:10:17,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:10:17,733 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 2078 [2022-12-13 19:10:17,734 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 251 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 994.6666666666666) internal successors, (2984), 3 states have internal predecessors, (2984), 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 19:10:17,734 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:10:17,734 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 2078 [2022-12-13 19:10:17,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:10:25,637 INFO L130 PetriNetUnfolder]: 24634/68589 cut-off events. [2022-12-13 19:10:25,637 INFO L131 PetriNetUnfolder]: For 6145/6279 co-relation queries the response was YES. [2022-12-13 19:10:26,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115030 conditions, 68589 events. 24634/68589 cut-off events. For 6145/6279 co-relation queries the response was YES. Maximal size of possible extension queue 1665. Compared 879440 event pairs, 6630 based on Foata normal form. 0/61057 useless extension candidates. Maximal degree in co-relation 115004. Up to 31732 conditions per place. [2022-12-13 19:10:26,251 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 110 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2022-12-13 19:10:26,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 281 transitions, 1066 flow [2022-12-13 19:10:26,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:10:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:10:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3059 transitions. [2022-12-13 19:10:26,255 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49069618222649986 [2022-12-13 19:10:26,255 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3059 transitions. [2022-12-13 19:10:26,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3059 transitions. [2022-12-13 19:10:26,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:10:26,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3059 transitions. [2022-12-13 19:10:26,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1019.6666666666666) internal successors, (3059), 3 states have internal predecessors, (3059), 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 19:10:26,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:10:26,262 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:10:26,262 INFO L175 Difference]: Start difference. First operand has 263 places, 251 transitions, 750 flow. Second operand 3 states and 3059 transitions. [2022-12-13 19:10:26,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 281 transitions, 1066 flow [2022-12-13 19:10:26,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 281 transitions, 1066 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:10:26,276 INFO L231 Difference]: Finished difference. Result has 264 places, 251 transitions, 760 flow [2022-12-13 19:10:26,276 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=264, PETRI_TRANSITIONS=251} [2022-12-13 19:10:26,276 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -52 predicate places. [2022-12-13 19:10:26,276 INFO L495 AbstractCegarLoop]: Abstraction has has 264 places, 251 transitions, 760 flow [2022-12-13 19:10:26,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 994.6666666666666) internal successors, (2984), 3 states have internal predecessors, (2984), 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 19:10:26,277 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:10:26,277 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:26,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 19:10:26,277 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:10:26,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:26,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1355833321, now seen corresponding path program 1 times [2022-12-13 19:10:26,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:26,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074891967] [2022-12-13 19:10:26,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:26,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:10:26,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:10:26,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074891967] [2022-12-13 19:10:26,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074891967] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:26,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:26,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:10:26,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143704416] [2022-12-13 19:10:26,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:26,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:10:26,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:10:26,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:10:26,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:10:26,541 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 2078 [2022-12-13 19:10:26,542 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 251 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 995.3333333333334) internal successors, (2986), 3 states have internal predecessors, (2986), 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 19:10:26,542 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:10:26,543 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 2078 [2022-12-13 19:10:26,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:10:35,947 INFO L130 PetriNetUnfolder]: 27081/82396 cut-off events. [2022-12-13 19:10:35,948 INFO L131 PetriNetUnfolder]: For 7462/7622 co-relation queries the response was YES. [2022-12-13 19:10:36,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134211 conditions, 82396 events. 27081/82396 cut-off events. For 7462/7622 co-relation queries the response was YES. Maximal size of possible extension queue 1840. Compared 1114882 event pairs, 9200 based on Foata normal form. 0/74835 useless extension candidates. Maximal degree in co-relation 134184. Up to 22369 conditions per place. [2022-12-13 19:10:36,769 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 129 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2022-12-13 19:10:36,769 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 298 transitions, 1162 flow [2022-12-13 19:10:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:10:36,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:10:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3074 transitions. [2022-12-13 19:10:36,772 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4931023419955085 [2022-12-13 19:10:36,772 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3074 transitions. [2022-12-13 19:10:36,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3074 transitions. [2022-12-13 19:10:36,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:10:36,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3074 transitions. [2022-12-13 19:10:36,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1024.6666666666667) internal successors, (3074), 3 states have internal predecessors, (3074), 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 19:10:36,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:10:36,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:10:36,779 INFO L175 Difference]: Start difference. First operand has 264 places, 251 transitions, 760 flow. Second operand 3 states and 3074 transitions. [2022-12-13 19:10:36,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 298 transitions, 1162 flow [2022-12-13 19:10:36,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 298 transitions, 1162 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:10:36,982 INFO L231 Difference]: Finished difference. Result has 265 places, 251 transitions, 770 flow [2022-12-13 19:10:36,983 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=265, PETRI_TRANSITIONS=251} [2022-12-13 19:10:36,983 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -51 predicate places. [2022-12-13 19:10:36,983 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 251 transitions, 770 flow [2022-12-13 19:10:36,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 995.3333333333334) internal successors, (2986), 3 states have internal predecessors, (2986), 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 19:10:36,983 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:10:36,983 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:36,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 19:10:36,984 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:10:36,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:36,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1655379512, now seen corresponding path program 1 times [2022-12-13 19:10:36,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:36,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917311990] [2022-12-13 19:10:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:36,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:10:37,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:10:37,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917311990] [2022-12-13 19:10:37,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917311990] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:37,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:37,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:10:37,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652727289] [2022-12-13 19:10:37,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:37,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:10:37,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:10:37,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:10:37,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:10:37,048 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1006 out of 2078 [2022-12-13 19:10:37,050 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 251 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 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 19:10:37,050 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:10:37,050 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1006 of 2078 [2022-12-13 19:10:37,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:10:50,699 INFO L130 PetriNetUnfolder]: 40610/112540 cut-off events. [2022-12-13 19:10:50,700 INFO L131 PetriNetUnfolder]: For 10222/10400 co-relation queries the response was YES. [2022-12-13 19:10:51,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188509 conditions, 112540 events. 40610/112540 cut-off events. For 10222/10400 co-relation queries the response was YES. Maximal size of possible extension queue 2492. Compared 1523566 event pairs, 16632 based on Foata normal form. 0/101506 useless extension candidates. Maximal degree in co-relation 188481. Up to 30764 conditions per place. [2022-12-13 19:10:51,704 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 134 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2022-12-13 19:10:51,704 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 302 transitions, 1189 flow [2022-12-13 19:10:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:10:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:10:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3133 transitions. [2022-12-13 19:10:51,707 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5025665704202759 [2022-12-13 19:10:51,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3133 transitions. [2022-12-13 19:10:51,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3133 transitions. [2022-12-13 19:10:51,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:10:51,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3133 transitions. [2022-12-13 19:10:51,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1044.3333333333333) internal successors, (3133), 3 states have internal predecessors, (3133), 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 19:10:51,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:10:51,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:10:51,714 INFO L175 Difference]: Start difference. First operand has 265 places, 251 transitions, 770 flow. Second operand 3 states and 3133 transitions. [2022-12-13 19:10:51,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 302 transitions, 1189 flow [2022-12-13 19:10:51,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 302 transitions, 1189 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:10:51,736 INFO L231 Difference]: Finished difference. Result has 266 places, 251 transitions, 780 flow [2022-12-13 19:10:51,736 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=266, PETRI_TRANSITIONS=251} [2022-12-13 19:10:51,737 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -50 predicate places. [2022-12-13 19:10:51,737 INFO L495 AbstractCegarLoop]: Abstraction has has 266 places, 251 transitions, 780 flow [2022-12-13 19:10:51,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 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 19:10:51,737 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:10:51,737 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:10:51,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 19:10:51,737 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:10:51,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:10:51,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1581533579, now seen corresponding path program 1 times [2022-12-13 19:10:51,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:10:51,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368942485] [2022-12-13 19:10:51,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:10:51,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:10:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:10:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:10:51,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:10:51,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368942485] [2022-12-13 19:10:51,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368942485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:10:51,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:10:51,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:10:51,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354345424] [2022-12-13 19:10:51,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:10:51,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:10:51,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:10:51,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:10:51,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:10:51,805 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1006 out of 2078 [2022-12-13 19:10:51,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 251 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 1013.3333333333334) internal successors, (3040), 3 states have internal predecessors, (3040), 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 19:10:51,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:10:51,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1006 of 2078 [2022-12-13 19:10:51,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:11:06,234 INFO L130 PetriNetUnfolder]: 37990/115792 cut-off events. [2022-12-13 19:11:06,234 INFO L131 PetriNetUnfolder]: For 9951/10125 co-relation queries the response was YES. [2022-12-13 19:11:07,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189573 conditions, 115792 events. 37990/115792 cut-off events. For 9951/10125 co-relation queries the response was YES. Maximal size of possible extension queue 2386. Compared 1632994 event pairs, 23904 based on Foata normal form. 0/106150 useless extension candidates. Maximal degree in co-relation 189544. Up to 45916 conditions per place. [2022-12-13 19:11:07,383 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 120 selfloop transitions, 3 changer transitions 0/293 dead transitions. [2022-12-13 19:11:07,383 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 293 transitions, 1146 flow [2022-12-13 19:11:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:11:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:11:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3120 transitions. [2022-12-13 19:11:07,386 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5004812319538018 [2022-12-13 19:11:07,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3120 transitions. [2022-12-13 19:11:07,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3120 transitions. [2022-12-13 19:11:07,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:11:07,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3120 transitions. [2022-12-13 19:11:07,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1040.0) internal successors, (3120), 3 states have internal predecessors, (3120), 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 19:11:07,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:11:07,393 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:11:07,393 INFO L175 Difference]: Start difference. First operand has 266 places, 251 transitions, 780 flow. Second operand 3 states and 3120 transitions. [2022-12-13 19:11:07,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 293 transitions, 1146 flow [2022-12-13 19:11:07,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 293 transitions, 1146 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:11:07,412 INFO L231 Difference]: Finished difference. Result has 270 places, 253 transitions, 802 flow [2022-12-13 19:11:07,412 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=270, PETRI_TRANSITIONS=253} [2022-12-13 19:11:07,412 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -46 predicate places. [2022-12-13 19:11:07,413 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 253 transitions, 802 flow [2022-12-13 19:11:07,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1013.3333333333334) internal successors, (3040), 3 states have internal predecessors, (3040), 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 19:11:07,413 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:11:07,413 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:11:07,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 19:11:07,413 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:11:07,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:11:07,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1396346021, now seen corresponding path program 1 times [2022-12-13 19:11:07,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:11:07,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575305231] [2022-12-13 19:11:07,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:11:07,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:11:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:11:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:11:07,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:11:07,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575305231] [2022-12-13 19:11:07,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575305231] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:11:07,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:11:07,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:11:07,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312730219] [2022-12-13 19:11:07,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:11:07,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:11:07,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:11:07,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:11:07,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:11:07,726 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 2078 [2022-12-13 19:11:07,727 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 253 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 998.0) internal successors, (2994), 3 states have internal predecessors, (2994), 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 19:11:07,728 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:11:07,728 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 2078 [2022-12-13 19:11:07,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:11:22,423 INFO L130 PetriNetUnfolder]: 41470/112799 cut-off events. [2022-12-13 19:11:22,424 INFO L131 PetriNetUnfolder]: For 17489/17678 co-relation queries the response was YES. [2022-12-13 19:11:23,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200375 conditions, 112799 events. 41470/112799 cut-off events. For 17489/17678 co-relation queries the response was YES. Maximal size of possible extension queue 2419. Compared 1512921 event pairs, 18822 based on Foata normal form. 0/104005 useless extension candidates. Maximal degree in co-relation 200344. Up to 34522 conditions per place. [2022-12-13 19:11:23,565 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 137 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2022-12-13 19:11:23,566 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 305 transitions, 1241 flow [2022-12-13 19:11:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:11:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:11:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3079 transitions. [2022-12-13 19:11:23,569 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4939043952518447 [2022-12-13 19:11:23,569 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3079 transitions. [2022-12-13 19:11:23,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3079 transitions. [2022-12-13 19:11:23,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:11:23,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3079 transitions. [2022-12-13 19:11:23,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1026.3333333333333) internal successors, (3079), 3 states have internal predecessors, (3079), 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 19:11:23,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:11:23,576 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:11:23,576 INFO L175 Difference]: Start difference. First operand has 270 places, 253 transitions, 802 flow. Second operand 3 states and 3079 transitions. [2022-12-13 19:11:23,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 305 transitions, 1241 flow [2022-12-13 19:11:24,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 305 transitions, 1231 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 19:11:24,044 INFO L231 Difference]: Finished difference. Result has 269 places, 253 transitions, 806 flow [2022-12-13 19:11:24,044 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=269, PETRI_TRANSITIONS=253} [2022-12-13 19:11:24,044 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -47 predicate places. [2022-12-13 19:11:24,044 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 253 transitions, 806 flow [2022-12-13 19:11:24,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 998.0) internal successors, (2994), 3 states have internal predecessors, (2994), 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 19:11:24,045 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:11:24,045 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:11:24,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 19:11:24,045 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:11:24,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:11:24,045 INFO L85 PathProgramCache]: Analyzing trace with hash 261044627, now seen corresponding path program 1 times [2022-12-13 19:11:24,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:11:24,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531307375] [2022-12-13 19:11:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:11:24,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:11:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:11:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:11:24,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:11:24,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531307375] [2022-12-13 19:11:24,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531307375] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:11:24,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:11:24,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:11:24,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524056694] [2022-12-13 19:11:24,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:11:24,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:11:24,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:11:24,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:11:24,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:11:24,119 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1006 out of 2078 [2022-12-13 19:11:24,120 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 253 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 1014.0) internal successors, (3042), 3 states have internal predecessors, (3042), 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 19:11:24,120 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:11:24,120 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1006 of 2078 [2022-12-13 19:11:24,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:11:38,425 INFO L130 PetriNetUnfolder]: 38688/110070 cut-off events. [2022-12-13 19:11:38,425 INFO L131 PetriNetUnfolder]: For 12278/12452 co-relation queries the response was YES. [2022-12-13 19:11:39,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191636 conditions, 110070 events. 38688/110070 cut-off events. For 12278/12452 co-relation queries the response was YES. Maximal size of possible extension queue 2361. Compared 1506463 event pairs, 27034 based on Foata normal form. 1882/102561 useless extension candidates. Maximal degree in co-relation 191605. Up to 51478 conditions per place. [2022-12-13 19:11:39,526 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 119 selfloop transitions, 4 changer transitions 0/292 dead transitions. [2022-12-13 19:11:39,526 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 292 transitions, 1166 flow [2022-12-13 19:11:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:11:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:11:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3118 transitions. [2022-12-13 19:11:39,530 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5001604106512673 [2022-12-13 19:11:39,530 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3118 transitions. [2022-12-13 19:11:39,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3118 transitions. [2022-12-13 19:11:39,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:11:39,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3118 transitions. [2022-12-13 19:11:39,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1039.3333333333333) internal successors, (3118), 3 states have internal predecessors, (3118), 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 19:11:39,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:11:39,536 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:11:39,536 INFO L175 Difference]: Start difference. First operand has 269 places, 253 transitions, 806 flow. Second operand 3 states and 3118 transitions. [2022-12-13 19:11:39,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 292 transitions, 1166 flow [2022-12-13 19:11:39,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 292 transitions, 1166 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:11:39,591 INFO L231 Difference]: Finished difference. Result has 270 places, 252 transitions, 812 flow [2022-12-13 19:11:39,592 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=270, PETRI_TRANSITIONS=252} [2022-12-13 19:11:39,592 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -46 predicate places. [2022-12-13 19:11:39,592 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 252 transitions, 812 flow [2022-12-13 19:11:39,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1014.0) internal successors, (3042), 3 states have internal predecessors, (3042), 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 19:11:39,592 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:11:39,592 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:11:39,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 19:11:39,593 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:11:39,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:11:39,593 INFO L85 PathProgramCache]: Analyzing trace with hash 75342575, now seen corresponding path program 1 times [2022-12-13 19:11:39,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:11:39,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171284143] [2022-12-13 19:11:39,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:11:39,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:11:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:11:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:11:39,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:11:39,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171284143] [2022-12-13 19:11:39,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171284143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:11:39,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:11:39,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:11:39,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062013961] [2022-12-13 19:11:39,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:11:39,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:11:39,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:11:39,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:11:39,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:11:39,659 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 1006 out of 2078 [2022-12-13 19:11:39,661 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 252 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 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 19:11:39,661 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:11:39,661 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1006 of 2078 [2022-12-13 19:11:39,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:11:56,794 INFO L130 PetriNetUnfolder]: 41361/132322 cut-off events. [2022-12-13 19:11:56,794 INFO L131 PetriNetUnfolder]: For 19642/19818 co-relation queries the response was YES. [2022-12-13 19:11:58,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223129 conditions, 132322 events. 41361/132322 cut-off events. For 19642/19818 co-relation queries the response was YES. Maximal size of possible extension queue 2681. Compared 1954576 event pairs, 25603 based on Foata normal form. 0/123797 useless extension candidates. Maximal degree in co-relation 223097. Up to 47577 conditions per place. [2022-12-13 19:11:58,332 INFO L137 encePairwiseOnDemand]: 2074/2078 looper letters, 123 selfloop transitions, 3 changer transitions 0/295 dead transitions. [2022-12-13 19:11:58,333 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 295 transitions, 1204 flow [2022-12-13 19:11:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:11:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:11:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3119 transitions. [2022-12-13 19:11:58,336 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5003208213025345 [2022-12-13 19:11:58,336 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3119 transitions. [2022-12-13 19:11:58,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3119 transitions. [2022-12-13 19:11:58,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:11:58,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3119 transitions. [2022-12-13 19:11:58,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1039.6666666666667) internal successors, (3119), 3 states have internal predecessors, (3119), 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 19:11:58,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:11:58,342 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2078.0) internal successors, (8312), 4 states have internal predecessors, (8312), 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 19:11:58,342 INFO L175 Difference]: Start difference. First operand has 270 places, 252 transitions, 812 flow. Second operand 3 states and 3119 transitions. [2022-12-13 19:11:58,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 295 transitions, 1204 flow [2022-12-13 19:11:58,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 295 transitions, 1188 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 19:11:58,692 INFO L231 Difference]: Finished difference. Result has 272 places, 254 transitions, 826 flow [2022-12-13 19:11:58,692 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=272, PETRI_TRANSITIONS=254} [2022-12-13 19:11:58,693 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -44 predicate places. [2022-12-13 19:11:58,693 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 254 transitions, 826 flow [2022-12-13 19:11:58,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1015.3333333333334) internal successors, (3046), 3 states have internal predecessors, (3046), 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 19:11:58,693 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:11:58,693 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:11:58,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 19:11:58,693 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:11:58,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:11:58,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1697084061, now seen corresponding path program 1 times [2022-12-13 19:11:58,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:11:58,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458965947] [2022-12-13 19:11:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:11:58,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:11:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:11:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:11:59,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:11:59,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458965947] [2022-12-13 19:11:59,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458965947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:11:59,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:11:59,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:11:59,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312618213] [2022-12-13 19:11:59,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:11:59,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:11:59,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:11:59,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:11:59,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:11:59,543 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 989 out of 2078 [2022-12-13 19:11:59,546 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 254 transitions, 826 flow. Second operand has 6 states, 6 states have (on average 994.6666666666666) internal successors, (5968), 6 states have internal predecessors, (5968), 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 19:11:59,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:11:59,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 989 of 2078 [2022-12-13 19:11:59,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:12:15,915 INFO L130 PetriNetUnfolder]: 46756/120347 cut-off events. [2022-12-13 19:12:15,915 INFO L131 PetriNetUnfolder]: For 26682/26866 co-relation queries the response was YES. [2022-12-13 19:12:16,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229033 conditions, 120347 events. 46756/120347 cut-off events. For 26682/26866 co-relation queries the response was YES. Maximal size of possible extension queue 2533. Compared 1594611 event pairs, 32592 based on Foata normal form. 0/112514 useless extension candidates. Maximal degree in co-relation 229000. Up to 59624 conditions per place. [2022-12-13 19:12:17,359 INFO L137 encePairwiseOnDemand]: 2073/2078 looper letters, 229 selfloop transitions, 4 changer transitions 0/397 dead transitions. [2022-12-13 19:12:17,359 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 397 transitions, 1754 flow [2022-12-13 19:12:17,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:12:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:12:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6119 transitions. [2022-12-13 19:12:17,364 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4907763875521335 [2022-12-13 19:12:17,364 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6119 transitions. [2022-12-13 19:12:17,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6119 transitions. [2022-12-13 19:12:17,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:12:17,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6119 transitions. [2022-12-13 19:12:17,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1019.8333333333334) internal successors, (6119), 6 states have internal predecessors, (6119), 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 19:12:17,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:12:17,377 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:12:17,377 INFO L175 Difference]: Start difference. First operand has 272 places, 254 transitions, 826 flow. Second operand 6 states and 6119 transitions. [2022-12-13 19:12:17,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 397 transitions, 1754 flow [2022-12-13 19:12:18,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 397 transitions, 1748 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 19:12:18,038 INFO L231 Difference]: Finished difference. Result has 274 places, 253 transitions, 826 flow [2022-12-13 19:12:18,038 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=826, PETRI_PLACES=274, PETRI_TRANSITIONS=253} [2022-12-13 19:12:18,038 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -42 predicate places. [2022-12-13 19:12:18,038 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 253 transitions, 826 flow [2022-12-13 19:12:18,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 994.6666666666666) internal successors, (5968), 6 states have internal predecessors, (5968), 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 19:12:18,039 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:12:18,039 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:18,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 19:12:18,039 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2022-12-13 19:12:18,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:18,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1593493819, now seen corresponding path program 1 times [2022-12-13 19:12:18,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:18,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216515532] [2022-12-13 19:12:18,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:18,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:18,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:12:18,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:18,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216515532] [2022-12-13 19:12:18,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216515532] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:18,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:18,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:12:18,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795233126] [2022-12-13 19:12:18,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:18,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:12:18,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:18,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:12:18,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:12:19,133 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 989 out of 2078 [2022-12-13 19:12:19,135 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 253 transitions, 826 flow. Second operand has 6 states, 6 states have (on average 996.3333333333334) internal successors, (5978), 6 states have internal predecessors, (5978), 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 19:12:19,135 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:12:19,135 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 989 of 2078 [2022-12-13 19:12:19,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:12:34,835 INFO L130 PetriNetUnfolder]: 41609/115151 cut-off events. [2022-12-13 19:12:34,835 INFO L131 PetriNetUnfolder]: For 18050/18226 co-relation queries the response was YES. [2022-12-13 19:12:35,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212825 conditions, 115151 events. 41609/115151 cut-off events. For 18050/18226 co-relation queries the response was YES. Maximal size of possible extension queue 2455. Compared 1572633 event pairs, 33714 based on Foata normal form. 0/106683 useless extension candidates. Maximal degree in co-relation 212792. Up to 61842 conditions per place. [2022-12-13 19:12:35,831 INFO L137 encePairwiseOnDemand]: 2073/2078 looper letters, 0 selfloop transitions, 0 changer transitions 328/328 dead transitions. [2022-12-13 19:12:35,831 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 328 transitions, 1366 flow [2022-12-13 19:12:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:12:35,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:12:35,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6075 transitions. [2022-12-13 19:12:35,836 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4872473532242541 [2022-12-13 19:12:35,836 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6075 transitions. [2022-12-13 19:12:35,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6075 transitions. [2022-12-13 19:12:35,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:12:35,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6075 transitions. [2022-12-13 19:12:35,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1012.5) internal successors, (6075), 6 states have internal predecessors, (6075), 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 19:12:35,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:12:35,847 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2078.0) internal successors, (14546), 7 states have internal predecessors, (14546), 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 19:12:35,847 INFO L175 Difference]: Start difference. First operand has 274 places, 253 transitions, 826 flow. Second operand 6 states and 6075 transitions. [2022-12-13 19:12:35,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 328 transitions, 1366 flow [2022-12-13 19:12:36,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 328 transitions, 1359 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 19:12:36,062 INFO L231 Difference]: Finished difference. Result has 274 places, 0 transitions, 0 flow [2022-12-13 19:12:36,062 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=2078, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=274, PETRI_TRANSITIONS=0} [2022-12-13 19:12:36,062 INFO L288 CegarLoopForPetriNet]: 316 programPoint places, -42 predicate places. [2022-12-13 19:12:36,062 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 0 transitions, 0 flow [2022-12-13 19:12:36,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 996.3333333333334) internal successors, (5978), 6 states have internal predecessors, (5978), 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 19:12:36,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (194 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (193 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (192 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (191 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (190 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (189 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (188 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (187 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (186 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (185 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (184 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (183 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (182 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (181 of 195 remaining) [2022-12-13 19:12:36,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (180 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (179 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (178 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (177 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (176 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (175 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (174 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (173 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (172 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (171 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (170 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (169 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (168 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (167 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (166 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (165 of 195 remaining) [2022-12-13 19:12:36,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (164 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (163 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (162 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (161 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (160 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (159 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (158 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (157 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (156 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (155 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (154 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (153 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (152 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (151 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (150 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (149 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (148 of 195 remaining) [2022-12-13 19:12:36,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (147 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (146 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (145 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (144 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (143 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (142 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (141 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (140 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (139 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (138 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (137 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (136 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (135 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (134 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (133 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (132 of 195 remaining) [2022-12-13 19:12:36,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (131 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (130 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (129 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (128 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (127 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (126 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (125 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (124 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (123 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (122 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (121 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (120 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (119 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (118 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (117 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (116 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (115 of 195 remaining) [2022-12-13 19:12:36,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (114 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (113 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (112 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (111 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (110 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (109 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (108 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (107 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (106 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (105 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (104 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (103 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (102 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (101 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (100 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (99 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (98 of 195 remaining) [2022-12-13 19:12:36,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (97 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (96 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (95 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (94 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (93 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (92 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (91 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (90 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (89 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (88 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (87 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (86 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (85 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (84 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (83 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (82 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (81 of 195 remaining) [2022-12-13 19:12:36,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (80 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (79 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (78 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (75 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (74 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (73 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (72 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (70 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (69 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (67 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (66 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (65 of 195 remaining) [2022-12-13 19:12:36,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (64 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (63 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (62 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (61 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (60 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (59 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (58 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (57 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (56 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (55 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (54 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (53 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (52 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (51 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (50 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 195 remaining) [2022-12-13 19:12:36,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (37 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (36 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (35 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (34 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (33 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (32 of 195 remaining) [2022-12-13 19:12:36,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (31 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (30 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (29 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (28 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (27 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (26 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (25 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (20 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (19 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (18 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (17 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (16 of 195 remaining) [2022-12-13 19:12:36,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (15 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (14 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (13 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (12 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (11 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (10 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (9 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (8 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (7 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (6 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (5 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (4 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (3 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (2 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (1 of 195 remaining) [2022-12-13 19:12:36,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (0 of 195 remaining) [2022-12-13 19:12:36,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 19:12:36,077 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, 1, 1, 1] [2022-12-13 19:12:36,081 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 19:12:36,081 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:12:36,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:12:36 BasicIcfg [2022-12-13 19:12:36,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:12:36,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:12:36,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:12:36,084 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:12:36,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:07:52" (3/4) ... [2022-12-13 19:12:36,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:12:36,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 19:12:36,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 19:12:36,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 19:12:36,096 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-12-13 19:12:36,097 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 19:12:36,097 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:12:36,097 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:12:36,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:12:36,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:12:36,140 INFO L158 Benchmark]: Toolchain (without parser) took 285141.23ms. Allocated memory was 115.3MB in the beginning and 9.3GB in the end (delta: 9.2GB). Free memory was 72.9MB in the beginning and 1.0GB in the end (delta: -954.0MB). Peak memory consumption was 8.2GB. Max. memory is 16.1GB. [2022-12-13 19:12:36,140 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:12:36,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.64ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 57.5MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 19:12:36,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.11ms. Allocated memory is still 115.3MB. Free memory was 57.5MB in the beginning and 51.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:12:36,140 INFO L158 Benchmark]: Boogie Preprocessor took 46.68ms. Allocated memory is still 115.3MB. Free memory was 51.9MB in the beginning and 47.0MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 19:12:36,141 INFO L158 Benchmark]: RCFGBuilder took 974.64ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 47.0MB in the beginning and 117.0MB in the end (delta: -70.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-12-13 19:12:36,141 INFO L158 Benchmark]: TraceAbstraction took 283758.83ms. Allocated memory was 151.0MB in the beginning and 9.3GB in the end (delta: 9.1GB). Free memory was 116.0MB in the beginning and 1.0GB in the end (delta: -919.3MB). Peak memory consumption was 9.2GB. Max. memory is 16.1GB. [2022-12-13 19:12:36,141 INFO L158 Benchmark]: Witness Printer took 55.33ms. Allocated memory is still 9.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 19:12:36,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.64ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 57.5MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.11ms. Allocated memory is still 115.3MB. Free memory was 57.5MB in the beginning and 51.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.68ms. Allocated memory is still 115.3MB. Free memory was 51.9MB in the beginning and 47.0MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 974.64ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 47.0MB in the beginning and 117.0MB in the end (delta: -70.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * TraceAbstraction took 283758.83ms. Allocated memory was 151.0MB in the beginning and 9.3GB in the end (delta: 9.1GB). Free memory was 116.0MB in the beginning and 1.0GB in the end (delta: -919.3MB). Peak memory consumption was 9.2GB. Max. memory is 16.1GB. * Witness Printer took 55.33ms. Allocated memory is still 9.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.2s, 986 PlacesBefore, 316 PlacesAfterwards, 1022 TransitionsBefore, 320 TransitionsAfterwards, 160512 CoEnabledTransitionPairs, 10 FixpointIterations, 590 TrivialSequentialCompositions, 281 ConcurrentSequentialCompositions, 80 TrivialYvCompositions, 46 ConcurrentYvCompositions, 32 ChoiceCompositions, 1029 TotalNumberOfCompositions, 1112402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 301558, independent: 296569, independent conditional: 0, independent unconditional: 296569, dependent: 4989, dependent conditional: 0, dependent unconditional: 4989, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 79812, independent: 79388, independent conditional: 0, independent unconditional: 79388, dependent: 424, dependent conditional: 0, dependent unconditional: 424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 301558, independent: 217181, independent conditional: 0, independent unconditional: 217181, dependent: 4565, dependent conditional: 0, dependent unconditional: 4565, unknown: 79812, unknown conditional: 0, unknown unconditional: 79812] , Statistics on independence cache: Total cache size (in pairs): 12734, Positive cache size: 12451, Positive conditional cache size: 0, Positive unconditional cache size: 12451, Negative cache size: 283, Negative conditional cache size: 0, Negative unconditional cache size: 283, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 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: 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: 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 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: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: 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: 92]: 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: 93]: 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: 94]: 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: 120]: 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: 131]: 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: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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: 106]: 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, 1449 locations, 195 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: 283.6s, OverallIterations: 28, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 260.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 19.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7529 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4169 mSDsluCounter, 709 SdHoareTripleChecker+Invalid, 8.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 229 mSDsCounter, 2199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11808 IncrementalHoareTripleChecker+Invalid, 14007 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2199 mSolverCounterUnsat, 480 mSDtfsCounter, 11808 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=826occurred in iteration=26, InterpolantAutomatonStates: 106, 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, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 910 NumberOfCodeBlocks, 910 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 882 ConstructedInterpolants, 0 QuantifiedInterpolants, 1612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 117/117 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 117 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 19:12:36,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3bbab04-4049-48ae-a0f4-4af66c187247/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