./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN --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 e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 --- 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-6b4ec56 [2022-11-20 11:16:02,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:16:02,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:16:02,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:16:02,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:16:02,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:16:02,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:16:02,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:16:02,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:16:02,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:16:02,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:16:02,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:16:02,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:16:02,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:16:02,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:16:02,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:16:02,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:16:02,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:16:02,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:16:02,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:16:02,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:16:02,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:16:02,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:16:02,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:16:02,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:16:02,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:16:02,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:16:02,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:16:02,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:16:02,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:16:02,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:16:02,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:16:02,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:16:02,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:16:02,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:16:02,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:16:02,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:16:02,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:16:02,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:16:02,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:16:02,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:16:02,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:16:02,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:16:02,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:16:02,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:16:02,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:16:02,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:16:02,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:16:02,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:16:02,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:16:02,452 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:16:02,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:16:02,453 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:16:02,453 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:16:02,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:16:02,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:16:02,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:16:02,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:16:02,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:16:02,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:16:02,455 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:16:02,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:16:02,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:16:02,456 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:16:02,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:16:02,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:16:02,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:16:02,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:16:02,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:16:02,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:16:02,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:16:02,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:16:02,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:16:02,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:16:02,458 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:16:02,459 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:16:02,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:16:02,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1611f006d8b4d3ca09ba5acfb7e64e93bdf2d1c3a87f0ab00b1667331afb989 [2022-11-20 11:16:02,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:16:02,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:16:02,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:16:02,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:16:02,859 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:16:02,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2022-11-20 11:16:06,003 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:16:06,264 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:16:06,265 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2022-11-20 11:16:06,273 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/data/b8f1a84c6/071d4afa734140149a18eaa1947a9be3/FLAG9a7cd6a8f [2022-11-20 11:16:06,293 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/data/b8f1a84c6/071d4afa734140149a18eaa1947a9be3 [2022-11-20 11:16:06,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:16:06,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:16:06,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:16:06,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:16:06,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:16:06,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e465fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06, skipping insertion in model container [2022-11-20 11:16:06,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:16:06,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:16:06,631 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_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-11-20 11:16:06,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:16:06,649 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:16:06,718 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_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c[3947,3960] [2022-11-20 11:16:06,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:16:06,737 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:16:06,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06 WrapperNode [2022-11-20 11:16:06,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:16:06,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:16:06,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:16:06,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:16:06,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,816 INFO L138 Inliner]: procedures = 25, calls = 61, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 630 [2022-11-20 11:16:06,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:16:06,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:16:06,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:16:06,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:16:06,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,883 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:16:06,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:16:06,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:16:06,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:16:06,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (1/1) ... [2022-11-20 11:16:06,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:16:06,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:16:06,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:16:06,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:16:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:16:07,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:16:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:16:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:16:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 11:16:07,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 11:16:07,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 11:16:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 11:16:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 11:16:07,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 11:16:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:16:07,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 11:16:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 11:16:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:16:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:16:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:16:07,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:16:07,013 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:16:07,190 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:16:07,192 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:16:08,203 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:16:08,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:16:08,900 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 11:16:08,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:08 BoogieIcfgContainer [2022-11-20 11:16:08,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:16:08,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:16:08,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:16:08,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:16:08,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:16:06" (1/3) ... [2022-11-20 11:16:08,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73704119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:08, skipping insertion in model container [2022-11-20 11:16:08,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:06" (2/3) ... [2022-11-20 11:16:08,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73704119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:16:08, skipping insertion in model container [2022-11-20 11:16:08,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:08" (3/3) ... [2022-11-20 11:16:08,913 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring.wvr.c [2022-11-20 11:16:08,923 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:16:08,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:16:08,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2022-11-20 11:16:08,935 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:16:09,103 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 11:16:09,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 463 places, 475 transitions, 974 flow [2022-11-20 11:16:09,343 INFO L130 PetriNetUnfolder]: 22/472 cut-off events. [2022-11-20 11:16:09,343 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 11:16:09,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 472 events. 22/472 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 770 event pairs, 0 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 394. Up to 3 conditions per place. [2022-11-20 11:16:09,351 INFO L82 GeneralOperation]: Start removeDead. Operand has 463 places, 475 transitions, 974 flow [2022-11-20 11:16:09,360 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 452 transitions, 922 flow [2022-11-20 11:16:09,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:16:09,376 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;@4b81e4da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:16:09,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 162 error locations. [2022-11-20 11:16:09,382 INFO L130 PetriNetUnfolder]: 0/33 cut-off events. [2022-11-20 11:16:09,382 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:16:09,383 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:09,383 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] [2022-11-20 11:16:09,384 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:09,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:09,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1387466631, now seen corresponding path program 1 times [2022-11-20 11:16:09,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:09,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049509241] [2022-11-20 11:16:09,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:09,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:09,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:09,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049509241] [2022-11-20 11:16:09,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049509241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:09,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:09,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:09,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654451121] [2022-11-20 11:16:09,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:09,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:09,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:09,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:09,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:09,679 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 475 [2022-11-20 11:16:09,687 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 452 transitions, 922 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:09,687 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:09,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 475 [2022-11-20 11:16:09,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:10,338 INFO L130 PetriNetUnfolder]: 200/1070 cut-off events. [2022-11-20 11:16:10,339 INFO L131 PetriNetUnfolder]: For 95/122 co-relation queries the response was YES. [2022-11-20 11:16:10,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 1070 events. 200/1070 cut-off events. For 95/122 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 5390 event pairs, 128 based on Foata normal form. 104/1020 useless extension candidates. Maximal degree in co-relation 1001. Up to 303 conditions per place. [2022-11-20 11:16:10,350 INFO L137 encePairwiseOnDemand]: 395/475 looper letters, 22 selfloop transitions, 2 changer transitions 7/374 dead transitions. [2022-11-20 11:16:10,351 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 374 transitions, 814 flow [2022-11-20 11:16:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:10,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1215 transitions. [2022-11-20 11:16:10,373 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8526315789473684 [2022-11-20 11:16:10,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1215 transitions. [2022-11-20 11:16:10,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1215 transitions. [2022-11-20 11:16:10,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:10,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1215 transitions. [2022-11-20 11:16:10,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,407 INFO L175 Difference]: Start difference. First operand has 441 places, 452 transitions, 922 flow. Second operand 3 states and 1215 transitions. [2022-11-20 11:16:10,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 374 transitions, 814 flow [2022-11-20 11:16:10,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 374 transitions, 802 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 11:16:10,431 INFO L231 Difference]: Finished difference. Result has 374 places, 367 transitions, 744 flow [2022-11-20 11:16:10,434 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=374, PETRI_TRANSITIONS=367} [2022-11-20 11:16:10,439 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -67 predicate places. [2022-11-20 11:16:10,439 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 367 transitions, 744 flow [2022-11-20 11:16:10,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,441 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:10,441 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] [2022-11-20 11:16:10,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:16:10,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:10,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:10,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1275632362, now seen corresponding path program 1 times [2022-11-20 11:16:10,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:10,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933625616] [2022-11-20 11:16:10,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:10,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:10,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:10,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933625616] [2022-11-20 11:16:10,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933625616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:10,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:10,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:10,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385314295] [2022-11-20 11:16:10,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:10,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:10,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:10,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:10,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:10,601 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-20 11:16:10,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 367 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,603 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:10,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-20 11:16:10,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:10,918 INFO L130 PetriNetUnfolder]: 136/877 cut-off events. [2022-11-20 11:16:10,918 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:10,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1098 conditions, 877 events. 136/877 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3954 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1056. Up to 198 conditions per place. [2022-11-20 11:16:10,925 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/366 dead transitions. [2022-11-20 11:16:10,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 366 transitions, 784 flow [2022-11-20 11:16:10,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:10,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-20 11:16:10,928 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-20 11:16:10,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-20 11:16:10,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-20 11:16:10,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:10,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-20 11:16:10,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,937 INFO L175 Difference]: Start difference. First operand has 374 places, 367 transitions, 744 flow. Second operand 3 states and 1144 transitions. [2022-11-20 11:16:10,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 366 transitions, 784 flow [2022-11-20 11:16:10,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 366 transitions, 780 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:10,944 INFO L231 Difference]: Finished difference. Result has 366 places, 366 transitions, 742 flow [2022-11-20 11:16:10,945 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=366, PETRI_TRANSITIONS=366} [2022-11-20 11:16:10,946 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -75 predicate places. [2022-11-20 11:16:10,946 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 366 transitions, 742 flow [2022-11-20 11:16:10,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:10,947 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:10,947 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] [2022-11-20 11:16:10,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:16:10,948 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:10,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:10,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1851176003, now seen corresponding path program 1 times [2022-11-20 11:16:10,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:10,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865916153] [2022-11-20 11:16:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:10,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:11,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:11,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865916153] [2022-11-20 11:16:11,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865916153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:11,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:11,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:11,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191689420] [2022-11-20 11:16:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:11,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:11,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:11,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:11,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:11,009 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-20 11:16:11,010 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 366 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:11,011 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-20 11:16:11,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:11,321 INFO L130 PetriNetUnfolder]: 136/876 cut-off events. [2022-11-20 11:16:11,321 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:11,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1097 conditions, 876 events. 136/876 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3954 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1048. Up to 198 conditions per place. [2022-11-20 11:16:11,328 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/365 dead transitions. [2022-11-20 11:16:11,328 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 365 transitions, 782 flow [2022-11-20 11:16:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:11,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-20 11:16:11,331 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-20 11:16:11,332 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-20 11:16:11,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-20 11:16:11,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:11,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-20 11:16:11,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,340 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,341 INFO L175 Difference]: Start difference. First operand has 366 places, 366 transitions, 742 flow. Second operand 3 states and 1144 transitions. [2022-11-20 11:16:11,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 365 transitions, 782 flow [2022-11-20 11:16:11,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 365 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:11,348 INFO L231 Difference]: Finished difference. Result has 365 places, 365 transitions, 740 flow [2022-11-20 11:16:11,349 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=365, PETRI_TRANSITIONS=365} [2022-11-20 11:16:11,350 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -76 predicate places. [2022-11-20 11:16:11,350 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 365 transitions, 740 flow [2022-11-20 11:16:11,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,351 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:11,352 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] [2022-11-20 11:16:11,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:16:11,352 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:11,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:11,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1276786338, now seen corresponding path program 1 times [2022-11-20 11:16:11,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:11,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280883872] [2022-11-20 11:16:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:11,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:11,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280883872] [2022-11-20 11:16:11,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280883872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:11,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:11,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:11,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538613759] [2022-11-20 11:16:11,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:11,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:11,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:11,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:11,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:11,414 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-20 11:16:11,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 365 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:11,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-20 11:16:11,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:11,776 INFO L130 PetriNetUnfolder]: 136/875 cut-off events. [2022-11-20 11:16:11,776 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:11,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1096 conditions, 875 events. 136/875 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3952 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1040. Up to 198 conditions per place. [2022-11-20 11:16:11,784 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2022-11-20 11:16:11,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 364 transitions, 780 flow [2022-11-20 11:16:11,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:11,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-20 11:16:11,788 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-20 11:16:11,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-20 11:16:11,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-20 11:16:11,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:11,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-20 11:16:11,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,802 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,803 INFO L175 Difference]: Start difference. First operand has 365 places, 365 transitions, 740 flow. Second operand 3 states and 1144 transitions. [2022-11-20 11:16:11,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 364 transitions, 780 flow [2022-11-20 11:16:11,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 364 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:11,814 INFO L231 Difference]: Finished difference. Result has 364 places, 364 transitions, 738 flow [2022-11-20 11:16:11,815 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=364, PETRI_TRANSITIONS=364} [2022-11-20 11:16:11,817 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -77 predicate places. [2022-11-20 11:16:11,817 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 364 transitions, 738 flow [2022-11-20 11:16:11,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,819 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:11,819 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:11,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:16:11,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:11,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:11,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1374164609, now seen corresponding path program 1 times [2022-11-20 11:16:11,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:11,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121311612] [2022-11-20 11:16:11,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:11,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:11,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:11,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121311612] [2022-11-20 11:16:11,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121311612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:11,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:11,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:11,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736630627] [2022-11-20 11:16:11,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:11,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:11,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:11,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:11,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:11,939 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:11,941 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 364 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:11,941 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:11,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:11,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:12,231 INFO L130 PetriNetUnfolder]: 136/874 cut-off events. [2022-11-20 11:16:12,231 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:12,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 874 events. 136/874 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3946 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1027. Up to 193 conditions per place. [2022-11-20 11:16:12,238 INFO L137 encePairwiseOnDemand]: 473/475 looper letters, 16 selfloop transitions, 1 changer transitions 0/363 dead transitions. [2022-11-20 11:16:12,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 363 transitions, 770 flow [2022-11-20 11:16:12,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-20 11:16:12,242 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8063157894736842 [2022-11-20 11:16:12,242 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-20 11:16:12,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-20 11:16:12,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:12,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-20 11:16:12,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,251 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,251 INFO L175 Difference]: Start difference. First operand has 364 places, 364 transitions, 738 flow. Second operand 3 states and 1149 transitions. [2022-11-20 11:16:12,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 363 transitions, 770 flow [2022-11-20 11:16:12,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 363 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:12,258 INFO L231 Difference]: Finished difference. Result has 363 places, 363 transitions, 734 flow [2022-11-20 11:16:12,259 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=363, PETRI_TRANSITIONS=363} [2022-11-20 11:16:12,260 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -78 predicate places. [2022-11-20 11:16:12,260 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 363 transitions, 734 flow [2022-11-20 11:16:12,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,261 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:12,261 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] [2022-11-20 11:16:12,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:16:12,261 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:12,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:12,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2045046214, now seen corresponding path program 1 times [2022-11-20 11:16:12,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:12,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609863706] [2022-11-20 11:16:12,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:12,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:12,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:12,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609863706] [2022-11-20 11:16:12,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609863706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:12,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:12,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:12,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818472281] [2022-11-20 11:16:12,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:12,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:12,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:12,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:12,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:12,334 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:12,336 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 363 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,336 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:12,336 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:12,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:12,616 INFO L130 PetriNetUnfolder]: 136/873 cut-off events. [2022-11-20 11:16:12,617 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:12,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 873 events. 136/873 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3951 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1027. Up to 195 conditions per place. [2022-11-20 11:16:12,623 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 16 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2022-11-20 11:16:12,623 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 362 transitions, 768 flow [2022-11-20 11:16:12,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-20 11:16:12,627 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-20 11:16:12,627 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-20 11:16:12,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-20 11:16:12,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:12,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-20 11:16:12,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,636 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,636 INFO L175 Difference]: Start difference. First operand has 363 places, 363 transitions, 734 flow. Second operand 3 states and 1150 transitions. [2022-11-20 11:16:12,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 362 transitions, 768 flow [2022-11-20 11:16:12,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 362 transitions, 767 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:16:12,643 INFO L231 Difference]: Finished difference. Result has 363 places, 362 transitions, 735 flow [2022-11-20 11:16:12,644 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=735, PETRI_PLACES=363, PETRI_TRANSITIONS=362} [2022-11-20 11:16:12,645 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -78 predicate places. [2022-11-20 11:16:12,645 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 362 transitions, 735 flow [2022-11-20 11:16:12,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:12,646 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:12,646 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] [2022-11-20 11:16:12,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:16:12,647 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:12,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:12,647 INFO L85 PathProgramCache]: Analyzing trace with hash -506658184, now seen corresponding path program 1 times [2022-11-20 11:16:12,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:12,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495265075] [2022-11-20 11:16:12,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:12,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:13,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:13,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495265075] [2022-11-20 11:16:13,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495265075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:13,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:13,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:16:13,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457595006] [2022-11-20 11:16:13,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:13,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:16:13,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:13,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:16:13,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:16:13,358 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 475 [2022-11-20 11:16:13,360 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 362 transitions, 735 flow. Second operand has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:13,360 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:13,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 475 [2022-11-20 11:16:13,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:14,597 INFO L130 PetriNetUnfolder]: 964/2159 cut-off events. [2022-11-20 11:16:14,597 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:16:14,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3537 conditions, 2159 events. 964/2159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 12435 event pairs, 608 based on Foata normal form. 0/1832 useless extension candidates. Maximal degree in co-relation 3475. Up to 1341 conditions per place. [2022-11-20 11:16:14,617 INFO L137 encePairwiseOnDemand]: 457/475 looper letters, 64 selfloop transitions, 15 changer transitions 0/359 dead transitions. [2022-11-20 11:16:14,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 359 transitions, 887 flow [2022-11-20 11:16:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:16:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:16:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1966 transitions. [2022-11-20 11:16:14,623 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6898245614035088 [2022-11-20 11:16:14,623 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1966 transitions. [2022-11-20 11:16:14,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1966 transitions. [2022-11-20 11:16:14,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:14,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1966 transitions. [2022-11-20 11:16:14,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 327.6666666666667) internal successors, (1966), 6 states have internal predecessors, (1966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:14,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:14,638 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:14,638 INFO L175 Difference]: Start difference. First operand has 363 places, 362 transitions, 735 flow. Second operand 6 states and 1966 transitions. [2022-11-20 11:16:14,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 359 transitions, 887 flow [2022-11-20 11:16:14,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 359 transitions, 883 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:14,646 INFO L231 Difference]: Finished difference. Result has 363 places, 359 transitions, 755 flow [2022-11-20 11:16:14,647 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=755, PETRI_PLACES=363, PETRI_TRANSITIONS=359} [2022-11-20 11:16:14,648 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -78 predicate places. [2022-11-20 11:16:14,648 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 359 transitions, 755 flow [2022-11-20 11:16:14,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:14,649 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:14,650 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] [2022-11-20 11:16:14,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:16:14,650 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:14,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:14,651 INFO L85 PathProgramCache]: Analyzing trace with hash 25860273, now seen corresponding path program 1 times [2022-11-20 11:16:14,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:14,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070310074] [2022-11-20 11:16:14,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:14,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:14,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:14,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070310074] [2022-11-20 11:16:14,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070310074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:14,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:14,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:14,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089480584] [2022-11-20 11:16:14,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:14,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:14,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:14,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:14,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:14,707 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:14,708 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 359 transitions, 755 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:14,708 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:14,709 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:14,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:14,991 INFO L130 PetriNetUnfolder]: 136/869 cut-off events. [2022-11-20 11:16:14,992 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:14,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 869 events. 136/869 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3953 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1052. Up to 193 conditions per place. [2022-11-20 11:16:14,997 INFO L137 encePairwiseOnDemand]: 473/475 looper letters, 16 selfloop transitions, 1 changer transitions 0/358 dead transitions. [2022-11-20 11:16:14,998 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 358 transitions, 787 flow [2022-11-20 11:16:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-20 11:16:15,001 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8063157894736842 [2022-11-20 11:16:15,001 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-20 11:16:15,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-20 11:16:15,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:15,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-20 11:16:15,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,008 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,008 INFO L175 Difference]: Start difference. First operand has 363 places, 359 transitions, 755 flow. Second operand 3 states and 1149 transitions. [2022-11-20 11:16:15,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 358 transitions, 787 flow [2022-11-20 11:16:15,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 358 transitions, 757 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 11:16:15,014 INFO L231 Difference]: Finished difference. Result has 359 places, 358 transitions, 725 flow [2022-11-20 11:16:15,015 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=359, PETRI_TRANSITIONS=358} [2022-11-20 11:16:15,016 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -82 predicate places. [2022-11-20 11:16:15,016 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 358 transitions, 725 flow [2022-11-20 11:16:15,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,016 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:15,017 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:15,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:16:15,017 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:15,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:15,018 INFO L85 PathProgramCache]: Analyzing trace with hash 745364481, now seen corresponding path program 1 times [2022-11-20 11:16:15,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:15,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748012601] [2022-11-20 11:16:15,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:15,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:15,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:15,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748012601] [2022-11-20 11:16:15,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748012601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:15,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:15,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:15,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183550962] [2022-11-20 11:16:15,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:15,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:15,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:15,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:15,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:15,070 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:15,072 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 358 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,072 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:15,072 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:15,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:15,318 INFO L130 PetriNetUnfolder]: 136/868 cut-off events. [2022-11-20 11:16:15,318 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:15,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 868 events. 136/868 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3947 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1023. Up to 195 conditions per place. [2022-11-20 11:16:15,325 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 16 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2022-11-20 11:16:15,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 357 transitions, 759 flow [2022-11-20 11:16:15,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-20 11:16:15,329 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-20 11:16:15,329 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-20 11:16:15,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-20 11:16:15,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:15,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-20 11:16:15,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,336 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,336 INFO L175 Difference]: Start difference. First operand has 359 places, 358 transitions, 725 flow. Second operand 3 states and 1150 transitions. [2022-11-20 11:16:15,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 357 transitions, 759 flow [2022-11-20 11:16:15,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 357 transitions, 758 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:16:15,343 INFO L231 Difference]: Finished difference. Result has 359 places, 357 transitions, 726 flow [2022-11-20 11:16:15,344 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2022-11-20 11:16:15,345 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -82 predicate places. [2022-11-20 11:16:15,345 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 726 flow [2022-11-20 11:16:15,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,346 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:15,346 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:15,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:16:15,347 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:15,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:15,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1100109343, now seen corresponding path program 1 times [2022-11-20 11:16:15,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:15,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063990463] [2022-11-20 11:16:15,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:15,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:15,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:15,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063990463] [2022-11-20 11:16:15,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063990463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:15,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:15,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:15,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274825485] [2022-11-20 11:16:15,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:15,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:15,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:15,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:15,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:15,400 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:15,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:15,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:15,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:15,680 INFO L130 PetriNetUnfolder]: 136/867 cut-off events. [2022-11-20 11:16:15,680 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:15,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 867 events. 136/867 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3945 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1022. Up to 193 conditions per place. [2022-11-20 11:16:15,687 INFO L137 encePairwiseOnDemand]: 473/475 looper letters, 16 selfloop transitions, 1 changer transitions 0/356 dead transitions. [2022-11-20 11:16:15,687 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 356 transitions, 758 flow [2022-11-20 11:16:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:15,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-20 11:16:15,691 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8063157894736842 [2022-11-20 11:16:15,691 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-20 11:16:15,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-20 11:16:15,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:15,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-20 11:16:15,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,698 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,699 INFO L175 Difference]: Start difference. First operand has 359 places, 357 transitions, 726 flow. Second operand 3 states and 1149 transitions. [2022-11-20 11:16:15,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 356 transitions, 758 flow [2022-11-20 11:16:15,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 356 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:15,705 INFO L231 Difference]: Finished difference. Result has 358 places, 356 transitions, 722 flow [2022-11-20 11:16:15,707 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=358, PETRI_TRANSITIONS=356} [2022-11-20 11:16:15,708 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -83 predicate places. [2022-11-20 11:16:15,708 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 356 transitions, 722 flow [2022-11-20 11:16:15,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,709 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:15,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:15,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:16:15,712 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:15,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:15,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1509743693, now seen corresponding path program 1 times [2022-11-20 11:16:15,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:15,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133504774] [2022-11-20 11:16:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:15,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:15,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133504774] [2022-11-20 11:16:15,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133504774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:15,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:15,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:15,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728971871] [2022-11-20 11:16:15,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:15,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:15,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:15,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:15,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:15,789 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:15,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 356 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:15,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:15,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:15,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:16,078 INFO L130 PetriNetUnfolder]: 136/866 cut-off events. [2022-11-20 11:16:16,078 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:16,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1085 conditions, 866 events. 136/866 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3945 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1022. Up to 195 conditions per place. [2022-11-20 11:16:16,084 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 16 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2022-11-20 11:16:16,084 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 355 transitions, 756 flow [2022-11-20 11:16:16,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:16,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-20 11:16:16,089 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-20 11:16:16,089 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-20 11:16:16,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-20 11:16:16,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:16,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-20 11:16:16,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,097 INFO L175 Difference]: Start difference. First operand has 358 places, 356 transitions, 722 flow. Second operand 3 states and 1150 transitions. [2022-11-20 11:16:16,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 355 transitions, 756 flow [2022-11-20 11:16:16,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 355 transitions, 755 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:16:16,104 INFO L231 Difference]: Finished difference. Result has 358 places, 355 transitions, 723 flow [2022-11-20 11:16:16,104 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=358, PETRI_TRANSITIONS=355} [2022-11-20 11:16:16,105 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -83 predicate places. [2022-11-20 11:16:16,105 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 355 transitions, 723 flow [2022-11-20 11:16:16,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,106 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:16,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:16,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:16:16,107 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:16,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:16,107 INFO L85 PathProgramCache]: Analyzing trace with hash 57950221, now seen corresponding path program 1 times [2022-11-20 11:16:16,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:16,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621964111] [2022-11-20 11:16:16,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:16,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:16,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621964111] [2022-11-20 11:16:16,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621964111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:16,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:16,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:16,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438312987] [2022-11-20 11:16:16,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:16,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:16,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:16,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:16,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:16,181 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-20 11:16:16,182 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 355 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,183 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:16,183 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-20 11:16:16,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:16,436 INFO L130 PetriNetUnfolder]: 136/865 cut-off events. [2022-11-20 11:16:16,436 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:16,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1089 conditions, 865 events. 136/865 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3944 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1026. Up to 198 conditions per place. [2022-11-20 11:16:16,446 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2022-11-20 11:16:16,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 354 transitions, 763 flow [2022-11-20 11:16:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-20 11:16:16,450 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-20 11:16:16,450 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-20 11:16:16,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-20 11:16:16,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:16,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-20 11:16:16,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,456 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,456 INFO L175 Difference]: Start difference. First operand has 358 places, 355 transitions, 723 flow. Second operand 3 states and 1144 transitions. [2022-11-20 11:16:16,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 354 transitions, 763 flow [2022-11-20 11:16:16,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 354 transitions, 759 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:16,465 INFO L231 Difference]: Finished difference. Result has 357 places, 354 transitions, 721 flow [2022-11-20 11:16:16,466 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=357, PETRI_TRANSITIONS=354} [2022-11-20 11:16:16,468 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -84 predicate places. [2022-11-20 11:16:16,468 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 354 transitions, 721 flow [2022-11-20 11:16:16,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,469 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:16,469 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:16,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:16:16,470 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:16,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:16,470 INFO L85 PathProgramCache]: Analyzing trace with hash -116947552, now seen corresponding path program 1 times [2022-11-20 11:16:16,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:16,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501494520] [2022-11-20 11:16:16,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:16,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:16,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:16,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501494520] [2022-11-20 11:16:16,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501494520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:16,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:16,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:16,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624431948] [2022-11-20 11:16:16,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:16,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:16,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:16,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:16,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:16,544 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-20 11:16:16,545 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 354 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:16,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-20 11:16:16,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:16,901 INFO L130 PetriNetUnfolder]: 136/864 cut-off events. [2022-11-20 11:16:16,901 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:16,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 864 events. 136/864 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3914 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1025. Up to 198 conditions per place. [2022-11-20 11:16:16,908 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/353 dead transitions. [2022-11-20 11:16:16,909 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 353 transitions, 761 flow [2022-11-20 11:16:16,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-20 11:16:16,912 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-20 11:16:16,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-20 11:16:16,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-20 11:16:16,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:16,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-20 11:16:16,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,921 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,921 INFO L175 Difference]: Start difference. First operand has 357 places, 354 transitions, 721 flow. Second operand 3 states and 1144 transitions. [2022-11-20 11:16:16,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 353 transitions, 761 flow [2022-11-20 11:16:16,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 353 transitions, 757 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:16,929 INFO L231 Difference]: Finished difference. Result has 356 places, 353 transitions, 719 flow [2022-11-20 11:16:16,930 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=719, PETRI_PLACES=356, PETRI_TRANSITIONS=353} [2022-11-20 11:16:16,931 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -85 predicate places. [2022-11-20 11:16:16,931 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 353 transitions, 719 flow [2022-11-20 11:16:16,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:16,932 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:16,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:16,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 11:16:16,932 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:16,933 INFO L85 PathProgramCache]: Analyzing trace with hash -335643577, now seen corresponding path program 1 times [2022-11-20 11:16:16,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:16,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181179624] [2022-11-20 11:16:16,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:16,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:17,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:17,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181179624] [2022-11-20 11:16:17,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181179624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:17,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:17,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:17,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893964095] [2022-11-20 11:16:17,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:17,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:17,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:17,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:17,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:17,020 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-20 11:16:17,022 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 353 transitions, 719 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,022 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:17,022 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-20 11:16:17,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:17,350 INFO L130 PetriNetUnfolder]: 136/863 cut-off events. [2022-11-20 11:16:17,350 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 11:16:17,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1087 conditions, 863 events. 136/863 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3922 event pairs, 74 based on Foata normal form. 0/750 useless extension candidates. Maximal degree in co-relation 1024. Up to 198 conditions per place. [2022-11-20 11:16:17,357 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/352 dead transitions. [2022-11-20 11:16:17,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 352 transitions, 759 flow [2022-11-20 11:16:17,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1144 transitions. [2022-11-20 11:16:17,361 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8028070175438596 [2022-11-20 11:16:17,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1144 transitions. [2022-11-20 11:16:17,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1144 transitions. [2022-11-20 11:16:17,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:17,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1144 transitions. [2022-11-20 11:16:17,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,370 INFO L175 Difference]: Start difference. First operand has 356 places, 353 transitions, 719 flow. Second operand 3 states and 1144 transitions. [2022-11-20 11:16:17,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 352 transitions, 759 flow [2022-11-20 11:16:17,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 352 transitions, 755 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:17,378 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 717 flow [2022-11-20 11:16:17,379 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=717, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2022-11-20 11:16:17,380 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-20 11:16:17,380 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 717 flow [2022-11-20 11:16:17,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,381 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:17,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:17,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 11:16:17,382 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:17,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:17,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1757115109, now seen corresponding path program 1 times [2022-11-20 11:16:17,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:17,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234780637] [2022-11-20 11:16:17,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:17,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:17,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:17,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234780637] [2022-11-20 11:16:17,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234780637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:17,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:17,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:17,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085145012] [2022-11-20 11:16:17,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:17,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:17,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:17,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:17,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:17,465 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:17,466 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 717 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,466 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:17,466 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:17,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:17,760 INFO L130 PetriNetUnfolder]: 137/911 cut-off events. [2022-11-20 11:16:17,760 INFO L131 PetriNetUnfolder]: For 13/14 co-relation queries the response was YES. [2022-11-20 11:16:17,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 911 events. 137/911 cut-off events. For 13/14 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4092 event pairs, 56 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 1072. Up to 150 conditions per place. [2022-11-20 11:16:17,767 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 23 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2022-11-20 11:16:17,767 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 359 transitions, 783 flow [2022-11-20 11:16:17,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1157 transitions. [2022-11-20 11:16:17,770 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8119298245614035 [2022-11-20 11:16:17,771 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1157 transitions. [2022-11-20 11:16:17,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1157 transitions. [2022-11-20 11:16:17,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:17,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1157 transitions. [2022-11-20 11:16:17,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.6666666666667) internal successors, (1157), 3 states have internal predecessors, (1157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,778 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,778 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 717 flow. Second operand 3 states and 1157 transitions. [2022-11-20 11:16:17,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 359 transitions, 783 flow [2022-11-20 11:16:17,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 359 transitions, 779 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:17,785 INFO L231 Difference]: Finished difference. Result has 355 places, 352 transitions, 721 flow [2022-11-20 11:16:17,786 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=355, PETRI_TRANSITIONS=352} [2022-11-20 11:16:17,787 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-20 11:16:17,787 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 352 transitions, 721 flow [2022-11-20 11:16:17,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,787 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:17,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:17,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 11:16:17,788 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:17,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:17,789 INFO L85 PathProgramCache]: Analyzing trace with hash 485744619, now seen corresponding path program 1 times [2022-11-20 11:16:17,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:17,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617348280] [2022-11-20 11:16:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:17,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:17,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:17,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617348280] [2022-11-20 11:16:17,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617348280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:17,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:17,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:17,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314292768] [2022-11-20 11:16:17,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:17,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:17,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:17,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:17,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:17,859 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:17,860 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 352 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:17,860 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:17,861 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:17,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:18,108 INFO L130 PetriNetUnfolder]: 137/868 cut-off events. [2022-11-20 11:16:18,109 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2022-11-20 11:16:18,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 868 events. 137/868 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4007 event pairs, 74 based on Foata normal form. 0/760 useless extension candidates. Maximal degree in co-relation 1086. Up to 199 conditions per place. [2022-11-20 11:16:18,119 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 17 selfloop transitions, 2 changer transitions 0/351 dead transitions. [2022-11-20 11:16:18,119 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 351 transitions, 757 flow [2022-11-20 11:16:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:18,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-20 11:16:18,122 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-20 11:16:18,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-20 11:16:18,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-20 11:16:18,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:18,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-20 11:16:18,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,130 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,130 INFO L175 Difference]: Start difference. First operand has 355 places, 352 transitions, 721 flow. Second operand 3 states and 1150 transitions. [2022-11-20 11:16:18,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 351 transitions, 757 flow [2022-11-20 11:16:18,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 351 transitions, 755 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:16:18,137 INFO L231 Difference]: Finished difference. Result has 355 places, 351 transitions, 721 flow [2022-11-20 11:16:18,137 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=721, PETRI_PLACES=355, PETRI_TRANSITIONS=351} [2022-11-20 11:16:18,138 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-20 11:16:18,138 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 351 transitions, 721 flow [2022-11-20 11:16:18,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,139 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:18,139 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:18,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 11:16:18,140 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:18,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:18,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1074814973, now seen corresponding path program 1 times [2022-11-20 11:16:18,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:18,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729059242] [2022-11-20 11:16:18,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:18,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:18,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:18,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729059242] [2022-11-20 11:16:18,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729059242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:18,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:18,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:18,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376631571] [2022-11-20 11:16:18,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:18,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:18,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:18,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:18,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:18,209 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:18,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 351 transitions, 721 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,211 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:18,211 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:18,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:18,466 INFO L130 PetriNetUnfolder]: 137/804 cut-off events. [2022-11-20 11:16:18,467 INFO L131 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2022-11-20 11:16:18,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 804 events. 137/804 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3381 event pairs, 28 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 1008. Up to 120 conditions per place. [2022-11-20 11:16:18,473 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 25 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2022-11-20 11:16:18,473 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 359 transitions, 797 flow [2022-11-20 11:16:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1157 transitions. [2022-11-20 11:16:18,476 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8119298245614035 [2022-11-20 11:16:18,476 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1157 transitions. [2022-11-20 11:16:18,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1157 transitions. [2022-11-20 11:16:18,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:18,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1157 transitions. [2022-11-20 11:16:18,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.6666666666667) internal successors, (1157), 3 states have internal predecessors, (1157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,483 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,483 INFO L175 Difference]: Start difference. First operand has 355 places, 351 transitions, 721 flow. Second operand 3 states and 1157 transitions. [2022-11-20 11:16:18,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 359 transitions, 797 flow [2022-11-20 11:16:18,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 359 transitions, 793 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:18,490 INFO L231 Difference]: Finished difference. Result has 355 places, 351 transitions, 725 flow [2022-11-20 11:16:18,491 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=355, PETRI_TRANSITIONS=351} [2022-11-20 11:16:18,491 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-20 11:16:18,491 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 351 transitions, 725 flow [2022-11-20 11:16:18,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,492 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:18,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:18,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 11:16:18,493 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:18,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:18,493 INFO L85 PathProgramCache]: Analyzing trace with hash 66073090, now seen corresponding path program 1 times [2022-11-20 11:16:18,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:18,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804847102] [2022-11-20 11:16:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:18,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:18,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:18,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804847102] [2022-11-20 11:16:18,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804847102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:18,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:18,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:18,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230419181] [2022-11-20 11:16:18,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:18,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:18,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:18,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:18,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:18,561 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:18,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 351 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:18,563 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:18,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:18,828 INFO L130 PetriNetUnfolder]: 137/872 cut-off events. [2022-11-20 11:16:18,828 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2022-11-20 11:16:18,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 872 events. 137/872 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4072 event pairs, 74 based on Foata normal form. 0/766 useless extension candidates. Maximal degree in co-relation 1123. Up to 202 conditions per place. [2022-11-20 11:16:18,835 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 18 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2022-11-20 11:16:18,835 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 350 transitions, 763 flow [2022-11-20 11:16:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-20 11:16:18,838 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-20 11:16:18,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-20 11:16:18,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-20 11:16:18,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:18,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-20 11:16:18,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,845 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,845 INFO L175 Difference]: Start difference. First operand has 355 places, 351 transitions, 725 flow. Second operand 3 states and 1150 transitions. [2022-11-20 11:16:18,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 350 transitions, 763 flow [2022-11-20 11:16:18,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 350 transitions, 761 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:16:18,851 INFO L231 Difference]: Finished difference. Result has 355 places, 350 transitions, 725 flow [2022-11-20 11:16:18,852 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=355, PETRI_TRANSITIONS=350} [2022-11-20 11:16:18,853 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-20 11:16:18,853 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 350 transitions, 725 flow [2022-11-20 11:16:18,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,853 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:18,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:18,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 11:16:18,854 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:18,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:18,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1290291268, now seen corresponding path program 1 times [2022-11-20 11:16:18,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:18,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120366385] [2022-11-20 11:16:18,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:18,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:18,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:18,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120366385] [2022-11-20 11:16:18,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120366385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:18,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:18,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:18,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075208667] [2022-11-20 11:16:18,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:18,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:18,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:18,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:18,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:18,924 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:18,925 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 350 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:18,925 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:18,925 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:18,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:19,293 INFO L130 PetriNetUnfolder]: 196/1133 cut-off events. [2022-11-20 11:16:19,293 INFO L131 PetriNetUnfolder]: For 138/138 co-relation queries the response was YES. [2022-11-20 11:16:19,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 1133 events. 196/1133 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5813 event pairs, 56 based on Foata normal form. 0/1017 useless extension candidates. Maximal degree in co-relation 1519. Up to 164 conditions per place. [2022-11-20 11:16:19,302 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 31 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2022-11-20 11:16:19,302 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 363 transitions, 830 flow [2022-11-20 11:16:19,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1161 transitions. [2022-11-20 11:16:19,306 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8147368421052632 [2022-11-20 11:16:19,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1161 transitions. [2022-11-20 11:16:19,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1161 transitions. [2022-11-20 11:16:19,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:19,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1161 transitions. [2022-11-20 11:16:19,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.0) internal successors, (1161), 3 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,313 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,313 INFO L175 Difference]: Start difference. First operand has 355 places, 350 transitions, 725 flow. Second operand 3 states and 1161 transitions. [2022-11-20 11:16:19,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 363 transitions, 830 flow [2022-11-20 11:16:19,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 363 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:19,320 INFO L231 Difference]: Finished difference. Result has 355 places, 350 transitions, 729 flow [2022-11-20 11:16:19,320 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=729, PETRI_PLACES=355, PETRI_TRANSITIONS=350} [2022-11-20 11:16:19,321 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-20 11:16:19,321 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 350 transitions, 729 flow [2022-11-20 11:16:19,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,322 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:19,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:19,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 11:16:19,322 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:19,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:19,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1762897973, now seen corresponding path program 1 times [2022-11-20 11:16:19,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:19,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900363384] [2022-11-20 11:16:19,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:19,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:19,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:19,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900363384] [2022-11-20 11:16:19,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900363384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:19,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:19,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:19,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292302196] [2022-11-20 11:16:19,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:19,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:19,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:19,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:19,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:19,400 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 475 [2022-11-20 11:16:19,402 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 350 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,402 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:19,402 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 475 [2022-11-20 11:16:19,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:19,813 INFO L130 PetriNetUnfolder]: 196/1121 cut-off events. [2022-11-20 11:16:19,813 INFO L131 PetriNetUnfolder]: For 154/155 co-relation queries the response was YES. [2022-11-20 11:16:19,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1611 conditions, 1121 events. 196/1121 cut-off events. For 154/155 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 5742 event pairs, 124 based on Foata normal form. 0/993 useless extension candidates. Maximal degree in co-relation 1545. Up to 301 conditions per place. [2022-11-20 11:16:19,822 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 19 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2022-11-20 11:16:19,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 349 transitions, 769 flow [2022-11-20 11:16:19,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1150 transitions. [2022-11-20 11:16:19,825 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8070175438596491 [2022-11-20 11:16:19,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1150 transitions. [2022-11-20 11:16:19,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1150 transitions. [2022-11-20 11:16:19,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:19,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1150 transitions. [2022-11-20 11:16:19,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,833 INFO L175 Difference]: Start difference. First operand has 355 places, 350 transitions, 729 flow. Second operand 3 states and 1150 transitions. [2022-11-20 11:16:19,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 349 transitions, 769 flow [2022-11-20 11:16:19,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 349 transitions, 767 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:16:19,842 INFO L231 Difference]: Finished difference. Result has 355 places, 349 transitions, 729 flow [2022-11-20 11:16:19,843 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=729, PETRI_PLACES=355, PETRI_TRANSITIONS=349} [2022-11-20 11:16:19,843 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -86 predicate places. [2022-11-20 11:16:19,843 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 349 transitions, 729 flow [2022-11-20 11:16:19,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,844 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:19,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:19,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 11:16:19,845 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:19,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:19,845 INFO L85 PathProgramCache]: Analyzing trace with hash 368451375, now seen corresponding path program 1 times [2022-11-20 11:16:19,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:19,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561255552] [2022-11-20 11:16:19,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:19,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:19,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:19,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561255552] [2022-11-20 11:16:19,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561255552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:19,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:19,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:19,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599561192] [2022-11-20 11:16:19,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:19,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:19,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:19,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:19,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:19,926 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 475 [2022-11-20 11:16:19,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 349 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:19,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:19,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 475 [2022-11-20 11:16:19,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:20,345 INFO L130 PetriNetUnfolder]: 296/1365 cut-off events. [2022-11-20 11:16:20,345 INFO L131 PetriNetUnfolder]: For 205/228 co-relation queries the response was YES. [2022-11-20 11:16:20,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2067 conditions, 1365 events. 296/1365 cut-off events. For 205/228 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 7542 event pairs, 196 based on Foata normal form. 0/1225 useless extension candidates. Maximal degree in co-relation 2000. Up to 451 conditions per place. [2022-11-20 11:16:20,357 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 21 selfloop transitions, 1 changer transitions 0/347 dead transitions. [2022-11-20 11:16:20,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 347 transitions, 769 flow [2022-11-20 11:16:20,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2022-11-20 11:16:20,361 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8021052631578948 [2022-11-20 11:16:20,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1143 transitions. [2022-11-20 11:16:20,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1143 transitions. [2022-11-20 11:16:20,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:20,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1143 transitions. [2022-11-20 11:16:20,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:20,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:20,368 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:20,368 INFO L175 Difference]: Start difference. First operand has 355 places, 349 transitions, 729 flow. Second operand 3 states and 1143 transitions. [2022-11-20 11:16:20,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 347 transitions, 769 flow [2022-11-20 11:16:20,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 347 transitions, 765 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:20,376 INFO L231 Difference]: Finished difference. Result has 353 places, 347 transitions, 723 flow [2022-11-20 11:16:20,376 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=353, PETRI_TRANSITIONS=347} [2022-11-20 11:16:20,377 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -88 predicate places. [2022-11-20 11:16:20,377 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 347 transitions, 723 flow [2022-11-20 11:16:20,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:20,378 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:20,378 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:20,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 11:16:20,379 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:20,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1937565097, now seen corresponding path program 1 times [2022-11-20 11:16:20,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:20,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658471867] [2022-11-20 11:16:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:20,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:20,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:20,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658471867] [2022-11-20 11:16:20,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658471867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:20,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:20,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:20,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756411697] [2022-11-20 11:16:20,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:20,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:20,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:20,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:20,448 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 475 [2022-11-20 11:16:20,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 347 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:20,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:20,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 475 [2022-11-20 11:16:20,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:21,129 INFO L130 PetriNetUnfolder]: 446/1576 cut-off events. [2022-11-20 11:16:21,129 INFO L131 PetriNetUnfolder]: For 286/287 co-relation queries the response was YES. [2022-11-20 11:16:21,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2613 conditions, 1576 events. 446/1576 cut-off events. For 286/287 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 8775 event pairs, 268 based on Foata normal form. 0/1422 useless extension candidates. Maximal degree in co-relation 2548. Up to 606 conditions per place. [2022-11-20 11:16:21,143 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 34 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2022-11-20 11:16:21,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 354 transitions, 819 flow [2022-11-20 11:16:21,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:21,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1139 transitions. [2022-11-20 11:16:21,146 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7992982456140351 [2022-11-20 11:16:21,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1139 transitions. [2022-11-20 11:16:21,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1139 transitions. [2022-11-20 11:16:21,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:21,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1139 transitions. [2022-11-20 11:16:21,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.6666666666667) internal successors, (1139), 3 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,153 INFO L175 Difference]: Start difference. First operand has 353 places, 347 transitions, 723 flow. Second operand 3 states and 1139 transitions. [2022-11-20 11:16:21,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 354 transitions, 819 flow [2022-11-20 11:16:21,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 354 transitions, 818 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:16:21,160 INFO L231 Difference]: Finished difference. Result has 353 places, 346 transitions, 724 flow [2022-11-20 11:16:21,161 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=353, PETRI_TRANSITIONS=346} [2022-11-20 11:16:21,161 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -88 predicate places. [2022-11-20 11:16:21,161 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 346 transitions, 724 flow [2022-11-20 11:16:21,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,162 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:21,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:21,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 11:16:21,163 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:21,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:21,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1052079259, now seen corresponding path program 1 times [2022-11-20 11:16:21,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:21,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747677186] [2022-11-20 11:16:21,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:21,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:21,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:21,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747677186] [2022-11-20 11:16:21,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747677186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:21,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:21,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:21,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971026908] [2022-11-20 11:16:21,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:21,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:21,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:21,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:21,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:21,249 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 475 [2022-11-20 11:16:21,250 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 346 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,251 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:21,251 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 475 [2022-11-20 11:16:21,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:21,736 INFO L130 PetriNetUnfolder]: 371/1418 cut-off events. [2022-11-20 11:16:21,736 INFO L131 PetriNetUnfolder]: For 257/258 co-relation queries the response was YES. [2022-11-20 11:16:21,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2303 conditions, 1418 events. 371/1418 cut-off events. For 257/258 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 7660 event pairs, 214 based on Foata normal form. 2/1296 useless extension candidates. Maximal degree in co-relation 2238. Up to 488 conditions per place. [2022-11-20 11:16:21,746 INFO L137 encePairwiseOnDemand]: 470/475 looper letters, 28 selfloop transitions, 2 changer transitions 3/352 dead transitions. [2022-11-20 11:16:21,746 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 352 transitions, 810 flow [2022-11-20 11:16:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:21,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1142 transitions. [2022-11-20 11:16:21,749 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8014035087719298 [2022-11-20 11:16:21,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1142 transitions. [2022-11-20 11:16:21,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1142 transitions. [2022-11-20 11:16:21,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:21,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1142 transitions. [2022-11-20 11:16:21,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 380.6666666666667) internal successors, (1142), 3 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,757 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,757 INFO L175 Difference]: Start difference. First operand has 353 places, 346 transitions, 724 flow. Second operand 3 states and 1142 transitions. [2022-11-20 11:16:21,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 352 transitions, 810 flow [2022-11-20 11:16:21,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 352 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:21,764 INFO L231 Difference]: Finished difference. Result has 351 places, 341 transitions, 713 flow [2022-11-20 11:16:21,764 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=351, PETRI_TRANSITIONS=341} [2022-11-20 11:16:21,765 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -90 predicate places. [2022-11-20 11:16:21,765 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 341 transitions, 713 flow [2022-11-20 11:16:21,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,766 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:21,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:21,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 11:16:21,766 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1261531486, now seen corresponding path program 1 times [2022-11-20 11:16:21,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:21,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210001867] [2022-11-20 11:16:21,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:21,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:21,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:21,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:21,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210001867] [2022-11-20 11:16:21,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210001867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:21,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:21,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:16:21,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528815419] [2022-11-20 11:16:21,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:21,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:16:21,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:21,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:16:21,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:16:21,869 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 475 [2022-11-20 11:16:21,870 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 341 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:21,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:21,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 475 [2022-11-20 11:16:21,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:22,355 INFO L130 PetriNetUnfolder]: 396/1457 cut-off events. [2022-11-20 11:16:22,355 INFO L131 PetriNetUnfolder]: For 262/262 co-relation queries the response was YES. [2022-11-20 11:16:22,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2402 conditions, 1457 events. 396/1457 cut-off events. For 262/262 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 7910 event pairs, 232 based on Foata normal form. 0/1343 useless extension candidates. Maximal degree in co-relation 2337. Up to 524 conditions per place. [2022-11-20 11:16:22,367 INFO L137 encePairwiseOnDemand]: 472/475 looper letters, 29 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2022-11-20 11:16:22,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 348 transitions, 799 flow [2022-11-20 11:16:22,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:16:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:16:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2022-11-20 11:16:22,370 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7957894736842105 [2022-11-20 11:16:22,371 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1134 transitions. [2022-11-20 11:16:22,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1134 transitions. [2022-11-20 11:16:22,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:22,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1134 transitions. [2022-11-20 11:16:22,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.0) internal successors, (1134), 3 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:22,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:22,377 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 475.0) internal successors, (1900), 4 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:22,378 INFO L175 Difference]: Start difference. First operand has 351 places, 341 transitions, 713 flow. Second operand 3 states and 1134 transitions. [2022-11-20 11:16:22,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 348 transitions, 799 flow [2022-11-20 11:16:22,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 348 transitions, 795 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:22,385 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 711 flow [2022-11-20 11:16:22,385 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=711, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2022-11-20 11:16:22,386 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -94 predicate places. [2022-11-20 11:16:22,387 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 711 flow [2022-11-20 11:16:22,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 372.3333333333333) internal successors, (1117), 3 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:22,387 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:22,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:22,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 11:16:22,388 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:22,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:22,389 INFO L85 PathProgramCache]: Analyzing trace with hash -45812642, now seen corresponding path program 1 times [2022-11-20 11:16:22,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:22,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15200331] [2022-11-20 11:16:22,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:22,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:23,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:23,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15200331] [2022-11-20 11:16:23,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15200331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:23,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:23,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:16:23,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667578603] [2022-11-20 11:16:23,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:23,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:16:23,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:23,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:16:23,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:16:23,098 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 475 [2022-11-20 11:16:23,100 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 711 flow. Second operand has 6 states, 6 states have (on average 343.0) internal successors, (2058), 6 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:23,101 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:23,101 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 475 [2022-11-20 11:16:23,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:24,697 INFO L130 PetriNetUnfolder]: 1420/2839 cut-off events. [2022-11-20 11:16:24,698 INFO L131 PetriNetUnfolder]: For 832/832 co-relation queries the response was YES. [2022-11-20 11:16:24,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5754 conditions, 2839 events. 1420/2839 cut-off events. For 832/832 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 16381 event pairs, 213 based on Foata normal form. 0/2667 useless extension candidates. Maximal degree in co-relation 5687. Up to 894 conditions per place. [2022-11-20 11:16:24,716 INFO L137 encePairwiseOnDemand]: 470/475 looper letters, 86 selfloop transitions, 4 changer transitions 1/379 dead transitions. [2022-11-20 11:16:24,716 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 379 transitions, 1019 flow [2022-11-20 11:16:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:16:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:16:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2123 transitions. [2022-11-20 11:16:24,721 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7449122807017544 [2022-11-20 11:16:24,721 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2123 transitions. [2022-11-20 11:16:24,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2123 transitions. [2022-11-20 11:16:24,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:24,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2123 transitions. [2022-11-20 11:16:24,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:24,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:24,734 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:24,734 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 711 flow. Second operand 6 states and 2123 transitions. [2022-11-20 11:16:24,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 379 transitions, 1019 flow [2022-11-20 11:16:24,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 379 transitions, 1015 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:16:24,741 INFO L231 Difference]: Finished difference. Result has 349 places, 338 transitions, 711 flow [2022-11-20 11:16:24,742 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=711, PETRI_PLACES=349, PETRI_TRANSITIONS=338} [2022-11-20 11:16:24,742 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -92 predicate places. [2022-11-20 11:16:24,742 INFO L495 AbstractCegarLoop]: Abstraction has has 349 places, 338 transitions, 711 flow [2022-11-20 11:16:24,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 343.0) internal successors, (2058), 6 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:24,743 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:24,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:24,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 11:16:24,744 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:24,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:24,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1568700839, now seen corresponding path program 1 times [2022-11-20 11:16:24,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:24,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707506162] [2022-11-20 11:16:24,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:24,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:25,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:25,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707506162] [2022-11-20 11:16:25,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707506162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:25,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:25,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:16:25,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087982209] [2022-11-20 11:16:25,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:25,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:16:25,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:25,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:16:25,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:16:25,401 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 475 [2022-11-20 11:16:25,404 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 338 transitions, 711 flow. Second operand has 6 states, 6 states have (on average 344.1666666666667) internal successors, (2065), 6 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:25,404 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:25,404 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 475 [2022-11-20 11:16:25,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:26,807 INFO L130 PetriNetUnfolder]: 1258/2731 cut-off events. [2022-11-20 11:16:26,807 INFO L131 PetriNetUnfolder]: For 862/862 co-relation queries the response was YES. [2022-11-20 11:16:26,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5527 conditions, 2731 events. 1258/2731 cut-off events. For 862/862 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 16369 event pairs, 734 based on Foata normal form. 0/2493 useless extension candidates. Maximal degree in co-relation 5460. Up to 1447 conditions per place. [2022-11-20 11:16:26,831 INFO L137 encePairwiseOnDemand]: 470/475 looper letters, 69 selfloop transitions, 4 changer transitions 0/361 dead transitions. [2022-11-20 11:16:26,831 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 361 transitions, 935 flow [2022-11-20 11:16:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:16:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:16:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2109 transitions. [2022-11-20 11:16:26,836 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.74 [2022-11-20 11:16:26,836 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2109 transitions. [2022-11-20 11:16:26,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2109 transitions. [2022-11-20 11:16:26,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:26,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2109 transitions. [2022-11-20 11:16:26,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 351.5) internal successors, (2109), 6 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:26,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:26,848 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:26,848 INFO L175 Difference]: Start difference. First operand has 349 places, 338 transitions, 711 flow. Second operand 6 states and 2109 transitions. [2022-11-20 11:16:26,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 361 transitions, 935 flow [2022-11-20 11:16:26,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 361 transitions, 928 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:16:26,855 INFO L231 Difference]: Finished difference. Result has 348 places, 337 transitions, 710 flow [2022-11-20 11:16:26,856 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=710, PETRI_PLACES=348, PETRI_TRANSITIONS=337} [2022-11-20 11:16:26,857 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -93 predicate places. [2022-11-20 11:16:26,857 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 337 transitions, 710 flow [2022-11-20 11:16:26,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 344.1666666666667) internal successors, (2065), 6 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:26,858 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:16:26,858 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:16:26,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 11:16:26,858 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err24ASSERT_VIOLATIONDATA_RACE (and 158 more)] === [2022-11-20 11:16:26,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:16:26,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1604719690, now seen corresponding path program 1 times [2022-11-20 11:16:26,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:16:26,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650141631] [2022-11-20 11:16:26,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:16:26,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:16:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:16:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:16:27,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:16:27,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650141631] [2022-11-20 11:16:27,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650141631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:16:27,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:16:27,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:16:27,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547676381] [2022-11-20 11:16:27,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:16:27,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:16:27,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:16:27,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:16:27,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:16:27,681 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 475 [2022-11-20 11:16:27,683 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 337 transitions, 710 flow. Second operand has 6 states, 6 states have (on average 345.5) internal successors, (2073), 6 states have internal predecessors, (2073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:27,683 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:16:27,683 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 475 [2022-11-20 11:16:27,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:16:28,821 INFO L130 PetriNetUnfolder]: 1252/2761 cut-off events. [2022-11-20 11:16:28,821 INFO L131 PetriNetUnfolder]: For 747/747 co-relation queries the response was YES. [2022-11-20 11:16:28,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5447 conditions, 2761 events. 1252/2761 cut-off events. For 747/747 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 16650 event pairs, 860 based on Foata normal form. 6/2543 useless extension candidates. Maximal degree in co-relation 5380. Up to 1729 conditions per place. [2022-11-20 11:16:28,831 INFO L137 encePairwiseOnDemand]: 470/475 looper letters, 0 selfloop transitions, 0 changer transitions 348/348 dead transitions. [2022-11-20 11:16:28,832 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 348 transitions, 868 flow [2022-11-20 11:16:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:16:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:16:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2100 transitions. [2022-11-20 11:16:28,837 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7368421052631579 [2022-11-20 11:16:28,837 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2100 transitions. [2022-11-20 11:16:28,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2100 transitions. [2022-11-20 11:16:28,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:16:28,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2100 transitions. [2022-11-20 11:16:28,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 350.0) internal successors, (2100), 6 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:28,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:28,848 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 475.0) internal successors, (3325), 7 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:28,848 INFO L175 Difference]: Start difference. First operand has 348 places, 337 transitions, 710 flow. Second operand 6 states and 2100 transitions. [2022-11-20 11:16:28,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 348 transitions, 868 flow [2022-11-20 11:16:28,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 348 transitions, 861 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:16:28,853 INFO L231 Difference]: Finished difference. Result has 348 places, 0 transitions, 0 flow [2022-11-20 11:16:28,854 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=475, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=348, PETRI_TRANSITIONS=0} [2022-11-20 11:16:28,854 INFO L288 CegarLoopForPetriNet]: 441 programPoint places, -93 predicate places. [2022-11-20 11:16:28,855 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 0 transitions, 0 flow [2022-11-20 11:16:28,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 345.5) internal successors, (2073), 6 states have internal predecessors, (2073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:16:28,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (161 of 162 remaining) [2022-11-20 11:16:28,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (160 of 162 remaining) [2022-11-20 11:16:28,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (159 of 162 remaining) [2022-11-20 11:16:28,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (158 of 162 remaining) [2022-11-20 11:16:28,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (157 of 162 remaining) [2022-11-20 11:16:28,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (156 of 162 remaining) [2022-11-20 11:16:28,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (155 of 162 remaining) [2022-11-20 11:16:28,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (154 of 162 remaining) [2022-11-20 11:16:28,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (153 of 162 remaining) [2022-11-20 11:16:28,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (152 of 162 remaining) [2022-11-20 11:16:28,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (151 of 162 remaining) [2022-11-20 11:16:28,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (150 of 162 remaining) [2022-11-20 11:16:28,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (149 of 162 remaining) [2022-11-20 11:16:28,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (148 of 162 remaining) [2022-11-20 11:16:28,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (147 of 162 remaining) [2022-11-20 11:16:28,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (146 of 162 remaining) [2022-11-20 11:16:28,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (145 of 162 remaining) [2022-11-20 11:16:28,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (144 of 162 remaining) [2022-11-20 11:16:28,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (143 of 162 remaining) [2022-11-20 11:16:28,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (142 of 162 remaining) [2022-11-20 11:16:28,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (141 of 162 remaining) [2022-11-20 11:16:28,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (140 of 162 remaining) [2022-11-20 11:16:28,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (139 of 162 remaining) [2022-11-20 11:16:28,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (138 of 162 remaining) [2022-11-20 11:16:28,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (137 of 162 remaining) [2022-11-20 11:16:28,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (136 of 162 remaining) [2022-11-20 11:16:28,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (135 of 162 remaining) [2022-11-20 11:16:28,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (134 of 162 remaining) [2022-11-20 11:16:28,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (133 of 162 remaining) [2022-11-20 11:16:28,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (132 of 162 remaining) [2022-11-20 11:16:28,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (131 of 162 remaining) [2022-11-20 11:16:28,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (130 of 162 remaining) [2022-11-20 11:16:28,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (129 of 162 remaining) [2022-11-20 11:16:28,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (128 of 162 remaining) [2022-11-20 11:16:28,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (127 of 162 remaining) [2022-11-20 11:16:28,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (126 of 162 remaining) [2022-11-20 11:16:28,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (125 of 162 remaining) [2022-11-20 11:16:28,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 162 remaining) [2022-11-20 11:16:28,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (123 of 162 remaining) [2022-11-20 11:16:28,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (122 of 162 remaining) [2022-11-20 11:16:28,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (121 of 162 remaining) [2022-11-20 11:16:28,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (120 of 162 remaining) [2022-11-20 11:16:28,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (119 of 162 remaining) [2022-11-20 11:16:28,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (118 of 162 remaining) [2022-11-20 11:16:28,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 162 remaining) [2022-11-20 11:16:28,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (116 of 162 remaining) [2022-11-20 11:16:28,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (115 of 162 remaining) [2022-11-20 11:16:28,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (114 of 162 remaining) [2022-11-20 11:16:28,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (113 of 162 remaining) [2022-11-20 11:16:28,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (112 of 162 remaining) [2022-11-20 11:16:28,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (111 of 162 remaining) [2022-11-20 11:16:28,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (110 of 162 remaining) [2022-11-20 11:16:28,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (109 of 162 remaining) [2022-11-20 11:16:28,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (108 of 162 remaining) [2022-11-20 11:16:28,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (107 of 162 remaining) [2022-11-20 11:16:28,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (106 of 162 remaining) [2022-11-20 11:16:28,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (105 of 162 remaining) [2022-11-20 11:16:28,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (104 of 162 remaining) [2022-11-20 11:16:28,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (103 of 162 remaining) [2022-11-20 11:16:28,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (102 of 162 remaining) [2022-11-20 11:16:28,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (101 of 162 remaining) [2022-11-20 11:16:28,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (100 of 162 remaining) [2022-11-20 11:16:28,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (99 of 162 remaining) [2022-11-20 11:16:28,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (98 of 162 remaining) [2022-11-20 11:16:28,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (97 of 162 remaining) [2022-11-20 11:16:28,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (96 of 162 remaining) [2022-11-20 11:16:28,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (95 of 162 remaining) [2022-11-20 11:16:28,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (94 of 162 remaining) [2022-11-20 11:16:28,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (93 of 162 remaining) [2022-11-20 11:16:28,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (92 of 162 remaining) [2022-11-20 11:16:28,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (91 of 162 remaining) [2022-11-20 11:16:28,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (90 of 162 remaining) [2022-11-20 11:16:28,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (89 of 162 remaining) [2022-11-20 11:16:28,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (88 of 162 remaining) [2022-11-20 11:16:28,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (87 of 162 remaining) [2022-11-20 11:16:28,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (86 of 162 remaining) [2022-11-20 11:16:28,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (85 of 162 remaining) [2022-11-20 11:16:28,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (84 of 162 remaining) [2022-11-20 11:16:28,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (83 of 162 remaining) [2022-11-20 11:16:28,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (82 of 162 remaining) [2022-11-20 11:16:28,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (81 of 162 remaining) [2022-11-20 11:16:28,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (80 of 162 remaining) [2022-11-20 11:16:28,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (79 of 162 remaining) [2022-11-20 11:16:28,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (78 of 162 remaining) [2022-11-20 11:16:28,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (77 of 162 remaining) [2022-11-20 11:16:28,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (76 of 162 remaining) [2022-11-20 11:16:28,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (75 of 162 remaining) [2022-11-20 11:16:28,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (74 of 162 remaining) [2022-11-20 11:16:28,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (73 of 162 remaining) [2022-11-20 11:16:28,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (72 of 162 remaining) [2022-11-20 11:16:28,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (71 of 162 remaining) [2022-11-20 11:16:28,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (70 of 162 remaining) [2022-11-20 11:16:28,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (69 of 162 remaining) [2022-11-20 11:16:28,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (68 of 162 remaining) [2022-11-20 11:16:28,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (67 of 162 remaining) [2022-11-20 11:16:28,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (66 of 162 remaining) [2022-11-20 11:16:28,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (65 of 162 remaining) [2022-11-20 11:16:28,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (64 of 162 remaining) [2022-11-20 11:16:28,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (63 of 162 remaining) [2022-11-20 11:16:28,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (62 of 162 remaining) [2022-11-20 11:16:28,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (61 of 162 remaining) [2022-11-20 11:16:28,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (60 of 162 remaining) [2022-11-20 11:16:28,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (59 of 162 remaining) [2022-11-20 11:16:28,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (58 of 162 remaining) [2022-11-20 11:16:28,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (57 of 162 remaining) [2022-11-20 11:16:28,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 162 remaining) [2022-11-20 11:16:28,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 162 remaining) [2022-11-20 11:16:28,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (54 of 162 remaining) [2022-11-20 11:16:28,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (53 of 162 remaining) [2022-11-20 11:16:28,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (52 of 162 remaining) [2022-11-20 11:16:28,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (51 of 162 remaining) [2022-11-20 11:16:28,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 162 remaining) [2022-11-20 11:16:28,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 162 remaining) [2022-11-20 11:16:28,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (48 of 162 remaining) [2022-11-20 11:16:28,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (47 of 162 remaining) [2022-11-20 11:16:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (46 of 162 remaining) [2022-11-20 11:16:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (45 of 162 remaining) [2022-11-20 11:16:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (44 of 162 remaining) [2022-11-20 11:16:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (43 of 162 remaining) [2022-11-20 11:16:28,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (42 of 162 remaining) [2022-11-20 11:16:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (41 of 162 remaining) [2022-11-20 11:16:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (40 of 162 remaining) [2022-11-20 11:16:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (39 of 162 remaining) [2022-11-20 11:16:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (38 of 162 remaining) [2022-11-20 11:16:28,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (37 of 162 remaining) [2022-11-20 11:16:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (36 of 162 remaining) [2022-11-20 11:16:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 162 remaining) [2022-11-20 11:16:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 162 remaining) [2022-11-20 11:16:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 162 remaining) [2022-11-20 11:16:28,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 162 remaining) [2022-11-20 11:16:28,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 162 remaining) [2022-11-20 11:16:28,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 162 remaining) [2022-11-20 11:16:28,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 162 remaining) [2022-11-20 11:16:28,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 162 remaining) [2022-11-20 11:16:28,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 162 remaining) [2022-11-20 11:16:28,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 162 remaining) [2022-11-20 11:16:28,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 162 remaining) [2022-11-20 11:16:28,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 162 remaining) [2022-11-20 11:16:28,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 162 remaining) [2022-11-20 11:16:28,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 162 remaining) [2022-11-20 11:16:28,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 162 remaining) [2022-11-20 11:16:28,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 162 remaining) [2022-11-20 11:16:28,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 162 remaining) [2022-11-20 11:16:28,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 162 remaining) [2022-11-20 11:16:28,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 162 remaining) [2022-11-20 11:16:28,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 162 remaining) [2022-11-20 11:16:28,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 162 remaining) [2022-11-20 11:16:28,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 162 remaining) [2022-11-20 11:16:28,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 162 remaining) [2022-11-20 11:16:28,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 162 remaining) [2022-11-20 11:16:28,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (11 of 162 remaining) [2022-11-20 11:16:28,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (10 of 162 remaining) [2022-11-20 11:16:28,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (9 of 162 remaining) [2022-11-20 11:16:28,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (8 of 162 remaining) [2022-11-20 11:16:28,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (7 of 162 remaining) [2022-11-20 11:16:28,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (6 of 162 remaining) [2022-11-20 11:16:28,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (5 of 162 remaining) [2022-11-20 11:16:28,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (4 of 162 remaining) [2022-11-20 11:16:28,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (3 of 162 remaining) [2022-11-20 11:16:28,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (2 of 162 remaining) [2022-11-20 11:16:28,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (1 of 162 remaining) [2022-11-20 11:16:28,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (0 of 162 remaining) [2022-11-20 11:16:28,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 11:16:28,891 INFO L444 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] [2022-11-20 11:16:28,898 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:16:28,898 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:16:28,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:16:28 BasicIcfg [2022-11-20 11:16:28,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:16:28,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:16:28,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:16:28,905 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:16:28,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:16:08" (3/4) ... [2022-11-20 11:16:28,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:16:28,914 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 11:16:28,914 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 11:16:28,914 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 11:16:28,921 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-20 11:16:28,922 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:16:28,923 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:16:28,923 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:16:28,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:16:28,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:16:28,975 INFO L158 Benchmark]: Toolchain (without parser) took 22676.81ms. Allocated memory was 123.7MB in the beginning and 1.1GB in the end (delta: 935.3MB). Free memory was 80.8MB in the beginning and 790.7MB in the end (delta: -709.9MB). Peak memory consumption was 225.9MB. Max. memory is 16.1GB. [2022-11-20 11:16:28,975 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:16:28,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.35ms. Allocated memory is still 123.7MB. Free memory was 80.8MB in the beginning and 66.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:16:28,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.78ms. Allocated memory is still 123.7MB. Free memory was 66.8MB in the beginning and 62.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:16:28,976 INFO L158 Benchmark]: Boogie Preprocessor took 74.39ms. Allocated memory is still 123.7MB. Free memory was 62.4MB in the beginning and 58.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:16:28,977 INFO L158 Benchmark]: RCFGBuilder took 2011.02ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 58.4MB in the beginning and 96.7MB in the end (delta: -38.2MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-11-20 11:16:28,977 INFO L158 Benchmark]: TraceAbstraction took 19998.94ms. Allocated memory was 148.9MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 95.6MB in the beginning and 796.9MB in the end (delta: -701.3MB). Peak memory consumption was 684.9MB. Max. memory is 16.1GB. [2022-11-20 11:16:28,978 INFO L158 Benchmark]: Witness Printer took 69.86ms. Allocated memory is still 1.1GB. Free memory was 796.9MB in the beginning and 790.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 11:16:28,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.35ms. Allocated memory is still 123.7MB. Free memory was 80.8MB in the beginning and 66.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.78ms. Allocated memory is still 123.7MB. Free memory was 66.8MB in the beginning and 62.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.39ms. Allocated memory is still 123.7MB. Free memory was 62.4MB in the beginning and 58.4MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2011.02ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 58.4MB in the beginning and 96.7MB in the end (delta: -38.2MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * TraceAbstraction took 19998.94ms. Allocated memory was 148.9MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 95.6MB in the beginning and 796.9MB in the end (delta: -701.3MB). Peak memory consumption was 684.9MB. Max. memory is 16.1GB. * Witness Printer took 69.86ms. Allocated memory is still 1.1GB. Free memory was 796.9MB in the beginning and 790.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 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: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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: 83]: 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: 83]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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: 105]: 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: 105]: 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: 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: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: 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: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: 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, 569 locations, 162 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: 19.8s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 151 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1249 IncrementalHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 252 mSDtfsCounter, 1249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=922occurred in iteration=0, InterpolantAutomatonStates: 93, 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, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 4155 NumberOfCodeBlocks, 4155 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 4128 ConstructedInterpolants, 0 QuantifiedInterpolants, 4532 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 93 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 11:16:29,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b96ee9-75b1-46c9-ac91-74ec88e0dff7/bin/uautomizer-ug76WZFUDN/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