./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/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_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/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_afc58958-21f3-4e59-a387-d76274ee3de4/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 a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b --- 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 11:02:42,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:02:42,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:02:42,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:02:42,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:02:42,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:02:42,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:02:42,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:02:42,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:02:42,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:02:42,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:02:42,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:02:42,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:02:42,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:02:42,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:02:42,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:02:42,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:02:42,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:02:42,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:02:42,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:02:42,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:02:42,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:02:42,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:02:42,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:02:42,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:02:42,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:02:42,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:02:42,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:02:42,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:02:42,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:02:42,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:02:42,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:02:42,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:02:42,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:02:42,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:02:42,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:02:42,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:02:42,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:02:42,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:02:42,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:02:42,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:02:42,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:02:42,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:02:42,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:02:42,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:02:42,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:02:42,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:02:42,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:02:42,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:02:42,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:02:42,506 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:02:42,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:02:42,508 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:02:42,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:02:42,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:02:42,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:02:42,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:02:42,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:02:42,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:02:42,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:02:42,510 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:02:42,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:02:42,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:02:42,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:02:42,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:02:42,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:02:42,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:02:42,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:02:42,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:02:42,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:02:42,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:02:42,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:02:42,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:02:42,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:02:42,514 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:02:42,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:02:42,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:02:42,515 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_afc58958-21f3-4e59-a387-d76274ee3de4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b [2022-11-20 11:02:42,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:02:42,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:02:42,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:02:42,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:02:42,835 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:02:42,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2022-11-20 11:02:46,046 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:02:46,250 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:02:46,250 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2022-11-20 11:02:46,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/data/240e63877/1b53c7980a5742f190a5873a17b0202e/FLAGacf2f82d8 [2022-11-20 11:02:46,274 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/data/240e63877/1b53c7980a5742f190a5873a17b0202e [2022-11-20 11:02:46,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:02:46,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:02:46,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:02:46,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:02:46,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:02:46,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47140493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46, skipping insertion in model container [2022-11-20 11:02:46,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:02:46,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:02:46,605 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_afc58958-21f3-4e59-a387-d76274ee3de4/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-11-20 11:02:46,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:02:46,620 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:02:46,653 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_afc58958-21f3-4e59-a387-d76274ee3de4/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-11-20 11:02:46,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:02:46,677 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:02:46,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46 WrapperNode [2022-11-20 11:02:46,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:02:46,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:02:46,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:02:46,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:02:46,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,767 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 337 [2022-11-20 11:02:46,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:02:46,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:02:46,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:02:46,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:02:46,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:02:46,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:02:46,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:02:46,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:02:46,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (1/1) ... [2022-11-20 11:02:46,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:02:46,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:02:46,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:02:46,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:02:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:02:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 11:02:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 11:02:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 11:02:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 11:02:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 11:02:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 11:02:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:02:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:02:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:02:46,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:02:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:02:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:02:46,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:02:46,923 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 11:02:47,060 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:02:47,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:02:47,843 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:02:47,857 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:02:47,857 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:02:47,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:02:47 BoogieIcfgContainer [2022-11-20 11:02:47,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:02:47,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:02:47,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:02:47,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:02:47,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:02:46" (1/3) ... [2022-11-20 11:02:47,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67839d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:02:47, skipping insertion in model container [2022-11-20 11:02:47,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:46" (2/3) ... [2022-11-20 11:02:47,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67839d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:02:47, skipping insertion in model container [2022-11-20 11:02:47,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:02:47" (3/3) ... [2022-11-20 11:02:47,870 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2022-11-20 11:02:47,918 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:02:47,930 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:02:47,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2022-11-20 11:02:47,930 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:02:48,074 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 11:02:48,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 432 places, 449 transitions, 922 flow [2022-11-20 11:02:48,326 INFO L130 PetriNetUnfolder]: 27/446 cut-off events. [2022-11-20 11:02:48,326 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 11:02:48,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 446 events. 27/446 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1457 event pairs, 0 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2022-11-20 11:02:48,342 INFO L82 GeneralOperation]: Start removeDead. Operand has 432 places, 449 transitions, 922 flow [2022-11-20 11:02:48,355 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 408 places, 423 transitions, 864 flow [2022-11-20 11:02:48,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:02:48,374 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;@9b223a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:02:48,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2022-11-20 11:02:48,383 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-11-20 11:02:48,383 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:02:48,384 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:48,385 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] [2022-11-20 11:02:48,386 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:48,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:48,392 INFO L85 PathProgramCache]: Analyzing trace with hash 189706616, now seen corresponding path program 1 times [2022-11-20 11:02:48,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:48,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864426860] [2022-11-20 11:02:48,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:48,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:48,678 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 11:02:48,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:48,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864426860] [2022-11-20 11:02:48,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864426860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:48,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:48,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:48,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135030782] [2022-11-20 11:02:48,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:48,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:48,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:48,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:48,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:48,761 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 449 [2022-11-20 11:02:48,771 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 423 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 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 11:02:48,772 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:48,772 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 449 [2022-11-20 11:02:48,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:49,660 INFO L130 PetriNetUnfolder]: 298/2863 cut-off events. [2022-11-20 11:02:49,661 INFO L131 PetriNetUnfolder]: For 108/116 co-relation queries the response was YES. [2022-11-20 11:02:49,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3284 conditions, 2863 events. 298/2863 cut-off events. For 108/116 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 26977 event pairs, 132 based on Foata normal form. 72/2388 useless extension candidates. Maximal degree in co-relation 3013. Up to 284 conditions per place. [2022-11-20 11:02:49,715 INFO L137 encePairwiseOnDemand]: 439/449 looper letters, 21 selfloop transitions, 2 changer transitions 1/415 dead transitions. [2022-11-20 11:02:49,715 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 415 transitions, 894 flow [2022-11-20 11:02:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1279 transitions. [2022-11-20 11:02:49,740 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.949517446176689 [2022-11-20 11:02:49,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1279 transitions. [2022-11-20 11:02:49,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1279 transitions. [2022-11-20 11:02:49,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:49,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1279 transitions. [2022-11-20 11:02:49,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 0 states have call successors, (0), 0 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 11:02:49,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:49,764 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:49,766 INFO L175 Difference]: Start difference. First operand has 408 places, 423 transitions, 864 flow. Second operand 3 states and 1279 transitions. [2022-11-20 11:02:49,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 415 transitions, 894 flow [2022-11-20 11:02:49,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 415 transitions, 882 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 11:02:49,789 INFO L231 Difference]: Finished difference. Result has 403 places, 414 transitions, 838 flow [2022-11-20 11:02:49,792 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=403, PETRI_TRANSITIONS=414} [2022-11-20 11:02:49,798 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -5 predicate places. [2022-11-20 11:02:49,798 INFO L495 AbstractCegarLoop]: Abstraction has has 403 places, 414 transitions, 838 flow [2022-11-20 11:02:49,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 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 11:02:49,799 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:49,800 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:02:49,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:02:49,800 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:49,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:49,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1595255997, now seen corresponding path program 1 times [2022-11-20 11:02:49,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:49,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130090523] [2022-11-20 11:02:49,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:49,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:49,913 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 11:02:49,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:49,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130090523] [2022-11-20 11:02:49,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130090523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:49,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:49,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:49,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326979452] [2022-11-20 11:02:49,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:49,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:49,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:49,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:49,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:49,922 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 449 [2022-11-20 11:02:49,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 414 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 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 11:02:49,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:49,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 449 [2022-11-20 11:02:49,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:50,466 INFO L130 PetriNetUnfolder]: 154/1613 cut-off events. [2022-11-20 11:02:50,467 INFO L131 PetriNetUnfolder]: For 23/25 co-relation queries the response was YES. [2022-11-20 11:02:50,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 1613 events. 154/1613 cut-off events. For 23/25 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 11822 event pairs, 60 based on Foata normal form. 0/1311 useless extension candidates. Maximal degree in co-relation 1761. Up to 164 conditions per place. [2022-11-20 11:02:50,512 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 21 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2022-11-20 11:02:50,512 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 413 transitions, 882 flow [2022-11-20 11:02:50,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2022-11-20 11:02:50,516 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9443207126948775 [2022-11-20 11:02:50,516 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2022-11-20 11:02:50,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2022-11-20 11:02:50,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:50,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2022-11-20 11:02:50,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 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 11:02:50,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:50,525 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:50,525 INFO L175 Difference]: Start difference. First operand has 403 places, 414 transitions, 838 flow. Second operand 3 states and 1272 transitions. [2022-11-20 11:02:50,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 413 transitions, 882 flow [2022-11-20 11:02:50,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 413 transitions, 878 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:02:50,581 INFO L231 Difference]: Finished difference. Result has 401 places, 413 transitions, 836 flow [2022-11-20 11:02:50,581 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=401, PETRI_TRANSITIONS=413} [2022-11-20 11:02:50,582 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -7 predicate places. [2022-11-20 11:02:50,582 INFO L495 AbstractCegarLoop]: Abstraction has has 401 places, 413 transitions, 836 flow [2022-11-20 11:02:50,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 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 11:02:50,584 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:50,584 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:02:50,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:02:50,584 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:50,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:50,585 INFO L85 PathProgramCache]: Analyzing trace with hash -492387691, now seen corresponding path program 1 times [2022-11-20 11:02:50,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:50,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306099976] [2022-11-20 11:02:50,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:50,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:50,678 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 11:02:50,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:50,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306099976] [2022-11-20 11:02:50,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306099976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:50,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:50,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:50,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966822034] [2022-11-20 11:02:50,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:50,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:50,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:50,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:50,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:50,684 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 449 [2022-11-20 11:02:50,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 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 11:02:50,687 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:50,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 449 [2022-11-20 11:02:50,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:51,340 INFO L130 PetriNetUnfolder]: 250/2060 cut-off events. [2022-11-20 11:02:51,341 INFO L131 PetriNetUnfolder]: For 71/74 co-relation queries the response was YES. [2022-11-20 11:02:51,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2365 conditions, 2060 events. 250/2060 cut-off events. For 71/74 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 16133 event pairs, 132 based on Foata normal form. 0/1707 useless extension candidates. Maximal degree in co-relation 2321. Up to 290 conditions per place. [2022-11-20 11:02:51,369 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 21 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2022-11-20 11:02:51,370 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 412 transitions, 880 flow [2022-11-20 11:02:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:51,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2022-11-20 11:02:51,374 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9443207126948775 [2022-11-20 11:02:51,376 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2022-11-20 11:02:51,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2022-11-20 11:02:51,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:51,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2022-11-20 11:02:51,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 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 11:02:51,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:51,384 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:51,384 INFO L175 Difference]: Start difference. First operand has 401 places, 413 transitions, 836 flow. Second operand 3 states and 1272 transitions. [2022-11-20 11:02:51,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 412 transitions, 880 flow [2022-11-20 11:02:51,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 412 transitions, 876 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:02:51,393 INFO L231 Difference]: Finished difference. Result has 400 places, 412 transitions, 834 flow [2022-11-20 11:02:51,394 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=400, PETRI_TRANSITIONS=412} [2022-11-20 11:02:51,396 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -8 predicate places. [2022-11-20 11:02:51,397 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 412 transitions, 834 flow [2022-11-20 11:02:51,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 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 11:02:51,398 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:51,398 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:02:51,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:02:51,399 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:51,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1449413375, now seen corresponding path program 1 times [2022-11-20 11:02:51,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:51,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140497369] [2022-11-20 11:02:51,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:51,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:51,490 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 11:02:51,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:51,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140497369] [2022-11-20 11:02:51,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140497369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:51,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:51,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:51,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151298224] [2022-11-20 11:02:51,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:51,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:51,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:51,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:51,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:51,502 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-20 11:02:51,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 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 11:02:51,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:51,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-20 11:02:51,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:52,253 INFO L130 PetriNetUnfolder]: 482/3355 cut-off events. [2022-11-20 11:02:52,254 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-11-20 11:02:52,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4008 conditions, 3355 events. 482/3355 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 32651 event pairs, 279 based on Foata normal form. 0/2678 useless extension candidates. Maximal degree in co-relation 3957. Up to 536 conditions per place. [2022-11-20 11:02:52,308 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 27 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2022-11-20 11:02:52,309 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 411 transitions, 890 flow [2022-11-20 11:02:52,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1260 transitions. [2022-11-20 11:02:52,312 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9354120267260579 [2022-11-20 11:02:52,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1260 transitions. [2022-11-20 11:02:52,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1260 transitions. [2022-11-20 11:02:52,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:52,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1260 transitions. [2022-11-20 11:02:52,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 11:02:52,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:52,325 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:52,326 INFO L175 Difference]: Start difference. First operand has 400 places, 412 transitions, 834 flow. Second operand 3 states and 1260 transitions. [2022-11-20 11:02:52,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 411 transitions, 890 flow [2022-11-20 11:02:52,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 411 transitions, 886 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:02:52,334 INFO L231 Difference]: Finished difference. Result has 399 places, 411 transitions, 832 flow [2022-11-20 11:02:52,335 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=399, PETRI_TRANSITIONS=411} [2022-11-20 11:02:52,339 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -9 predicate places. [2022-11-20 11:02:52,339 INFO L495 AbstractCegarLoop]: Abstraction has has 399 places, 411 transitions, 832 flow [2022-11-20 11:02:52,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 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 11:02:52,341 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:52,341 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 11:02:52,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:02:52,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:52,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:52,342 INFO L85 PathProgramCache]: Analyzing trace with hash -905471950, now seen corresponding path program 1 times [2022-11-20 11:02:52,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:52,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783350813] [2022-11-20 11:02:52,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:52,432 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 11:02:52,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:52,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783350813] [2022-11-20 11:02:52,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783350813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:52,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:52,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:52,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461603130] [2022-11-20 11:02:52,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:52,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:52,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:52,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:52,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:52,438 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-20 11:02:52,439 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 411 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 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 11:02:52,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:52,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-20 11:02:52,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:52,878 INFO L130 PetriNetUnfolder]: 213/1730 cut-off events. [2022-11-20 11:02:52,878 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-11-20 11:02:52,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2019 conditions, 1730 events. 213/1730 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 12895 event pairs, 117 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 1962. Up to 262 conditions per place. [2022-11-20 11:02:52,916 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 27 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2022-11-20 11:02:52,916 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 410 transitions, 888 flow [2022-11-20 11:02:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1260 transitions. [2022-11-20 11:02:52,919 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9354120267260579 [2022-11-20 11:02:52,920 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1260 transitions. [2022-11-20 11:02:52,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1260 transitions. [2022-11-20 11:02:52,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:52,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1260 transitions. [2022-11-20 11:02:52,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 11:02:52,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:52,928 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:52,928 INFO L175 Difference]: Start difference. First operand has 399 places, 411 transitions, 832 flow. Second operand 3 states and 1260 transitions. [2022-11-20 11:02:52,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 410 transitions, 888 flow [2022-11-20 11:02:52,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 410 transitions, 884 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:02:52,936 INFO L231 Difference]: Finished difference. Result has 398 places, 410 transitions, 830 flow [2022-11-20 11:02:52,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=398, PETRI_TRANSITIONS=410} [2022-11-20 11:02:52,938 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -10 predicate places. [2022-11-20 11:02:52,938 INFO L495 AbstractCegarLoop]: Abstraction has has 398 places, 410 transitions, 830 flow [2022-11-20 11:02:52,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 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 11:02:52,939 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:52,939 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] [2022-11-20 11:02:52,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:02:52,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:52,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:52,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1868796679, now seen corresponding path program 1 times [2022-11-20 11:02:52,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:52,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995736733] [2022-11-20 11:02:52,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:52,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:52,981 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 11:02:52,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:52,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995736733] [2022-11-20 11:02:52,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995736733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:52,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:52,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:52,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183414576] [2022-11-20 11:02:52,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:52,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:52,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:52,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:52,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:52,985 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-20 11:02:52,987 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 410 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 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 11:02:52,987 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:52,987 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-20 11:02:52,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:53,762 INFO L130 PetriNetUnfolder]: 489/3359 cut-off events. [2022-11-20 11:02:53,762 INFO L131 PetriNetUnfolder]: For 120/131 co-relation queries the response was YES. [2022-11-20 11:02:53,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3916 conditions, 3359 events. 489/3359 cut-off events. For 120/131 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 31691 event pairs, 279 based on Foata normal form. 0/2681 useless extension candidates. Maximal degree in co-relation 3853. Up to 539 conditions per place. [2022-11-20 11:02:53,821 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 27 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2022-11-20 11:02:53,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 409 transitions, 886 flow [2022-11-20 11:02:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:53,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:53,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1260 transitions. [2022-11-20 11:02:53,824 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9354120267260579 [2022-11-20 11:02:53,824 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1260 transitions. [2022-11-20 11:02:53,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1260 transitions. [2022-11-20 11:02:53,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:53,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1260 transitions. [2022-11-20 11:02:53,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 420.0) internal successors, (1260), 3 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 11:02:53,831 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:53,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:53,833 INFO L175 Difference]: Start difference. First operand has 398 places, 410 transitions, 830 flow. Second operand 3 states and 1260 transitions. [2022-11-20 11:02:53,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 409 transitions, 886 flow [2022-11-20 11:02:53,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 409 transitions, 882 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:02:53,840 INFO L231 Difference]: Finished difference. Result has 397 places, 409 transitions, 828 flow [2022-11-20 11:02:53,841 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=397, PETRI_TRANSITIONS=409} [2022-11-20 11:02:53,842 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -11 predicate places. [2022-11-20 11:02:53,842 INFO L495 AbstractCegarLoop]: Abstraction has has 397 places, 409 transitions, 828 flow [2022-11-20 11:02:53,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 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 11:02:53,843 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:53,843 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] [2022-11-20 11:02:53,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:02:53,844 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:53,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:53,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1738542537, now seen corresponding path program 1 times [2022-11-20 11:02:53,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:53,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163050813] [2022-11-20 11:02:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:53,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:53,926 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 11:02:53,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:53,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163050813] [2022-11-20 11:02:53,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163050813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:53,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:53,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:53,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415285548] [2022-11-20 11:02:53,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:53,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:53,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:53,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:53,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:53,930 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 449 [2022-11-20 11:02:53,932 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 409 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 0 states have call successors, (0), 0 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 11:02:53,932 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:53,932 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 449 [2022-11-20 11:02:53,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:54,453 INFO L130 PetriNetUnfolder]: 298/2690 cut-off events. [2022-11-20 11:02:54,453 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-20 11:02:54,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3020 conditions, 2690 events. 298/2690 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 25138 event pairs, 117 based on Foata normal form. 0/2235 useless extension candidates. Maximal degree in co-relation 2950. Up to 263 conditions per place. [2022-11-20 11:02:54,495 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 22 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2022-11-20 11:02:54,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 407 transitions, 874 flow [2022-11-20 11:02:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:54,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2022-11-20 11:02:54,498 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2022-11-20 11:02:54,498 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2022-11-20 11:02:54,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2022-11-20 11:02:54,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:54,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2022-11-20 11:02:54,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 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 11:02:54,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:54,506 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:54,506 INFO L175 Difference]: Start difference. First operand has 397 places, 409 transitions, 828 flow. Second operand 3 states and 1269 transitions. [2022-11-20 11:02:54,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 407 transitions, 874 flow [2022-11-20 11:02:54,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 407 transitions, 870 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:02:54,514 INFO L231 Difference]: Finished difference. Result has 392 places, 405 transitions, 826 flow [2022-11-20 11:02:54,514 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=392, PETRI_TRANSITIONS=405} [2022-11-20 11:02:54,515 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -16 predicate places. [2022-11-20 11:02:54,515 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 405 transitions, 826 flow [2022-11-20 11:02:54,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 0 states have call successors, (0), 0 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 11:02:54,516 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:54,516 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] [2022-11-20 11:02:54,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:02:54,517 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2933305, now seen corresponding path program 1 times [2022-11-20 11:02:54,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:54,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559578262] [2022-11-20 11:02:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:54,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:54,554 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 11:02:54,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:54,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559578262] [2022-11-20 11:02:54,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559578262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:54,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:54,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:54,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550736554] [2022-11-20 11:02:54,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:54,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:54,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:54,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:54,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:54,558 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 449 [2022-11-20 11:02:54,560 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 405 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 0 states have call successors, (0), 0 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 11:02:54,560 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:54,560 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 449 [2022-11-20 11:02:54,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:54,891 INFO L130 PetriNetUnfolder]: 151/1542 cut-off events. [2022-11-20 11:02:54,891 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-20 11:02:54,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1707 conditions, 1542 events. 151/1542 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 11130 event pairs, 52 based on Foata normal form. 0/1288 useless extension candidates. Maximal degree in co-relation 1536. Up to 135 conditions per place. [2022-11-20 11:02:54,919 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 22 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2022-11-20 11:02:54,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 403 transitions, 872 flow [2022-11-20 11:02:54,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2022-11-20 11:02:54,922 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2022-11-20 11:02:54,923 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2022-11-20 11:02:54,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2022-11-20 11:02:54,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:54,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2022-11-20 11:02:54,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 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 11:02:54,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:54,930 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:54,930 INFO L175 Difference]: Start difference. First operand has 392 places, 405 transitions, 826 flow. Second operand 3 states and 1269 transitions. [2022-11-20 11:02:54,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 403 transitions, 872 flow [2022-11-20 11:02:54,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 403 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 11:02:54,937 INFO L231 Difference]: Finished difference. Result has 389 places, 401 transitions, 828 flow [2022-11-20 11:02:54,938 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=389, PETRI_TRANSITIONS=401} [2022-11-20 11:02:54,938 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -19 predicate places. [2022-11-20 11:02:54,939 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 401 transitions, 828 flow [2022-11-20 11:02:54,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 0 states have call successors, (0), 0 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 11:02:54,940 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:54,940 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] [2022-11-20 11:02:54,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:02:54,940 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:54,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:54,941 INFO L85 PathProgramCache]: Analyzing trace with hash 152356134, now seen corresponding path program 1 times [2022-11-20 11:02:54,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:54,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670577995] [2022-11-20 11:02:54,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:54,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:54,979 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 11:02:54,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:54,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670577995] [2022-11-20 11:02:54,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670577995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:54,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:54,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:54,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742776986] [2022-11-20 11:02:54,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:54,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:54,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:54,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:54,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:54,983 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 449 [2022-11-20 11:02:54,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 401 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 0 states have call successors, (0), 0 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 11:02:54,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:54,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 449 [2022-11-20 11:02:54,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:55,709 INFO L130 PetriNetUnfolder]: 506/4414 cut-off events. [2022-11-20 11:02:55,710 INFO L131 PetriNetUnfolder]: For 63/80 co-relation queries the response was YES. [2022-11-20 11:02:55,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4902 conditions, 4414 events. 506/4414 cut-off events. For 63/80 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 44953 event pairs, 182 based on Foata normal form. 0/3728 useless extension candidates. Maximal degree in co-relation 3697. Up to 445 conditions per place. [2022-11-20 11:02:55,770 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 22 selfloop transitions, 2 changer transitions 0/399 dead transitions. [2022-11-20 11:02:55,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 399 transitions, 874 flow [2022-11-20 11:02:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2022-11-20 11:02:55,774 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9420935412026726 [2022-11-20 11:02:55,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2022-11-20 11:02:55,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2022-11-20 11:02:55,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:55,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2022-11-20 11:02:55,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 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 11:02:55,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:55,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:55,782 INFO L175 Difference]: Start difference. First operand has 389 places, 401 transitions, 828 flow. Second operand 3 states and 1269 transitions. [2022-11-20 11:02:55,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 399 transitions, 874 flow [2022-11-20 11:02:55,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 399 transitions, 874 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 11:02:55,789 INFO L231 Difference]: Finished difference. Result has 386 places, 397 transitions, 830 flow [2022-11-20 11:02:55,789 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=386, PETRI_TRANSITIONS=397} [2022-11-20 11:02:55,790 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -22 predicate places. [2022-11-20 11:02:55,790 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 397 transitions, 830 flow [2022-11-20 11:02:55,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 0 states have call successors, (0), 0 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 11:02:55,792 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:55,792 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] [2022-11-20 11:02:55,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:02:55,792 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:55,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:55,793 INFO L85 PathProgramCache]: Analyzing trace with hash 387392908, now seen corresponding path program 1 times [2022-11-20 11:02:55,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:55,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392396410] [2022-11-20 11:02:55,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:55,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:55,834 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 11:02:55,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:55,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392396410] [2022-11-20 11:02:55,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392396410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:55,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:55,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:02:55,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744637887] [2022-11-20 11:02:55,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:55,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:55,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:55,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:55,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:55,839 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 449 [2022-11-20 11:02:55,841 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 397 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 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 11:02:55,841 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:55,841 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 449 [2022-11-20 11:02:55,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:56,064 INFO L130 PetriNetUnfolder]: 79/1032 cut-off events. [2022-11-20 11:02:56,064 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 11:02:56,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 1032 events. 79/1032 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6921 event pairs, 10 based on Foata normal form. 0/888 useless extension candidates. Maximal degree in co-relation 869. Up to 35 conditions per place. [2022-11-20 11:02:56,080 INFO L137 encePairwiseOnDemand]: 445/449 looper letters, 14 selfloop transitions, 3 changer transitions 0/401 dead transitions. [2022-11-20 11:02:56,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 401 transitions, 874 flow [2022-11-20 11:02:56,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2022-11-20 11:02:56,084 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9643652561247216 [2022-11-20 11:02:56,084 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2022-11-20 11:02:56,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2022-11-20 11:02:56,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:56,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2022-11-20 11:02:56,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 11:02:56,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:56,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:56,091 INFO L175 Difference]: Start difference. First operand has 386 places, 397 transitions, 830 flow. Second operand 3 states and 1299 transitions. [2022-11-20 11:02:56,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 401 transitions, 874 flow [2022-11-20 11:02:56,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 401 transitions, 874 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 11:02:56,099 INFO L231 Difference]: Finished difference. Result has 390 places, 399 transitions, 852 flow [2022-11-20 11:02:56,100 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=852, PETRI_PLACES=390, PETRI_TRANSITIONS=399} [2022-11-20 11:02:56,102 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -18 predicate places. [2022-11-20 11:02:56,102 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 399 transitions, 852 flow [2022-11-20 11:02:56,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 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 11:02:56,103 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:56,103 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] [2022-11-20 11:02:56,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:02:56,105 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:56,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:56,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2064032366, now seen corresponding path program 1 times [2022-11-20 11:02:56,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:56,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714231973] [2022-11-20 11:02:56,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:56,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:56,180 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 11:02:56,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:56,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714231973] [2022-11-20 11:02:56,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714231973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:56,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:56,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:56,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097629647] [2022-11-20 11:02:56,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:56,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:56,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:56,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:56,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:56,184 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 449 [2022-11-20 11:02:56,186 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 399 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 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 11:02:56,186 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:56,186 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 449 [2022-11-20 11:02:56,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:56,666 INFO L130 PetriNetUnfolder]: 206/2257 cut-off events. [2022-11-20 11:02:56,666 INFO L131 PetriNetUnfolder]: For 32/38 co-relation queries the response was YES. [2022-11-20 11:02:56,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2550 conditions, 2257 events. 206/2257 cut-off events. For 32/38 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 19532 event pairs, 18 based on Foata normal form. 0/1980 useless extension candidates. Maximal degree in co-relation 2168. Up to 166 conditions per place. [2022-11-20 11:02:56,708 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 21 selfloop transitions, 4 changer transitions 0/404 dead transitions. [2022-11-20 11:02:56,709 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 404 transitions, 917 flow [2022-11-20 11:02:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2022-11-20 11:02:56,713 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9547141796585004 [2022-11-20 11:02:56,713 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1286 transitions. [2022-11-20 11:02:56,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1286 transitions. [2022-11-20 11:02:56,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:56,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1286 transitions. [2022-11-20 11:02:56,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.6666666666667) internal successors, (1286), 3 states have internal predecessors, (1286), 0 states have call successors, (0), 0 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 11:02:56,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:56,720 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:56,720 INFO L175 Difference]: Start difference. First operand has 390 places, 399 transitions, 852 flow. Second operand 3 states and 1286 transitions. [2022-11-20 11:02:56,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 404 transitions, 917 flow [2022-11-20 11:02:56,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 404 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:02:56,728 INFO L231 Difference]: Finished difference. Result has 387 places, 399 transitions, 866 flow [2022-11-20 11:02:56,729 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=866, PETRI_PLACES=387, PETRI_TRANSITIONS=399} [2022-11-20 11:02:56,729 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -21 predicate places. [2022-11-20 11:02:56,730 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 399 transitions, 866 flow [2022-11-20 11:02:56,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 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 11:02:56,730 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:56,731 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] [2022-11-20 11:02:56,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:02:56,731 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:56,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:56,731 INFO L85 PathProgramCache]: Analyzing trace with hash -739752300, now seen corresponding path program 1 times [2022-11-20 11:02:56,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:56,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260032955] [2022-11-20 11:02:56,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:56,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:56,771 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 11:02:56,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:56,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260032955] [2022-11-20 11:02:56,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260032955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:56,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:56,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:56,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872706368] [2022-11-20 11:02:56,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:56,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:56,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:56,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:56,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:56,775 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 449 [2022-11-20 11:02:56,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 399 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 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 11:02:56,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:56,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 449 [2022-11-20 11:02:56,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:57,451 INFO L130 PetriNetUnfolder]: 265/3097 cut-off events. [2022-11-20 11:02:57,451 INFO L131 PetriNetUnfolder]: For 43/45 co-relation queries the response was YES. [2022-11-20 11:02:57,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3434 conditions, 3097 events. 265/3097 cut-off events. For 43/45 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 27462 event pairs, 36 based on Foata normal form. 0/2702 useless extension candidates. Maximal degree in co-relation 3102. Up to 198 conditions per place. [2022-11-20 11:02:57,507 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 21 selfloop transitions, 4 changer transitions 0/404 dead transitions. [2022-11-20 11:02:57,507 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 404 transitions, 931 flow [2022-11-20 11:02:57,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:57,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2022-11-20 11:02:57,510 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9547141796585004 [2022-11-20 11:02:57,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1286 transitions. [2022-11-20 11:02:57,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1286 transitions. [2022-11-20 11:02:57,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:57,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1286 transitions. [2022-11-20 11:02:57,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.6666666666667) internal successors, (1286), 3 states have internal predecessors, (1286), 0 states have call successors, (0), 0 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 11:02:57,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:57,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:57,517 INFO L175 Difference]: Start difference. First operand has 387 places, 399 transitions, 866 flow. Second operand 3 states and 1286 transitions. [2022-11-20 11:02:57,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 404 transitions, 931 flow [2022-11-20 11:02:57,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 404 transitions, 931 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 11:02:57,525 INFO L231 Difference]: Finished difference. Result has 386 places, 399 transitions, 886 flow [2022-11-20 11:02:57,526 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=386, PETRI_TRANSITIONS=399} [2022-11-20 11:02:57,526 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -22 predicate places. [2022-11-20 11:02:57,527 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 399 transitions, 886 flow [2022-11-20 11:02:57,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 0 states have call successors, (0), 0 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 11:02:57,527 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:57,528 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] [2022-11-20 11:02:57,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:02:57,528 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:57,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:57,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1436098520, now seen corresponding path program 1 times [2022-11-20 11:02:57,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:57,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687194189] [2022-11-20 11:02:57,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:57,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:57,564 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 11:02:57,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:57,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687194189] [2022-11-20 11:02:57,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687194189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:57,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:57,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:02:57,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627897340] [2022-11-20 11:02:57,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:57,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:57,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:57,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:57,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:57,568 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 449 [2022-11-20 11:02:57,569 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 399 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 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 11:02:57,569 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:57,569 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 449 [2022-11-20 11:02:57,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:58,146 INFO L130 PetriNetUnfolder]: 236/3040 cut-off events. [2022-11-20 11:02:58,147 INFO L131 PetriNetUnfolder]: For 10/18 co-relation queries the response was YES. [2022-11-20 11:02:58,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3376 conditions, 3040 events. 236/3040 cut-off events. For 10/18 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 28512 event pairs, 14 based on Foata normal form. 1/2666 useless extension candidates. Maximal degree in co-relation 3045. Up to 62 conditions per place. [2022-11-20 11:02:58,186 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 13 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2022-11-20 11:02:58,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 400 transitions, 920 flow [2022-11-20 11:02:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:58,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1294 transitions. [2022-11-20 11:02:58,190 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9606533036377134 [2022-11-20 11:02:58,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1294 transitions. [2022-11-20 11:02:58,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1294 transitions. [2022-11-20 11:02:58,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:58,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1294 transitions. [2022-11-20 11:02:58,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 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 11:02:58,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:58,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:58,198 INFO L175 Difference]: Start difference. First operand has 386 places, 399 transitions, 886 flow. Second operand 3 states and 1294 transitions. [2022-11-20 11:02:58,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 400 transitions, 920 flow [2022-11-20 11:02:58,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 400 transitions, 920 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 11:02:58,205 INFO L231 Difference]: Finished difference. Result has 387 places, 398 transitions, 888 flow [2022-11-20 11:02:58,206 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=387, PETRI_TRANSITIONS=398} [2022-11-20 11:02:58,207 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -21 predicate places. [2022-11-20 11:02:58,207 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 398 transitions, 888 flow [2022-11-20 11:02:58,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 0 states have call successors, (0), 0 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 11:02:58,208 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:58,208 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] [2022-11-20 11:02:58,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 11:02:58,208 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:58,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:58,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1505446649, now seen corresponding path program 1 times [2022-11-20 11:02:58,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:58,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755409961] [2022-11-20 11:02:58,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:58,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:58,245 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 11:02:58,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:58,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755409961] [2022-11-20 11:02:58,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755409961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:58,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:58,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:02:58,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879313502] [2022-11-20 11:02:58,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:58,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:02:58,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:58,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:02:58,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:02:58,249 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 449 [2022-11-20 11:02:58,250 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 398 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 428.6666666666667) internal successors, (1286), 3 states have internal predecessors, (1286), 0 states have call successors, (0), 0 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 11:02:58,250 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:58,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 449 [2022-11-20 11:02:58,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:02:58,881 INFO L130 PetriNetUnfolder]: 221/2501 cut-off events. [2022-11-20 11:02:58,881 INFO L131 PetriNetUnfolder]: For 33/54 co-relation queries the response was YES. [2022-11-20 11:02:58,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2884 conditions, 2501 events. 221/2501 cut-off events. For 33/54 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 22098 event pairs, 42 based on Foata normal form. 0/2184 useless extension candidates. Maximal degree in co-relation 2383. Up to 136 conditions per place. [2022-11-20 11:02:58,933 INFO L137 encePairwiseOnDemand]: 445/449 looper letters, 14 selfloop transitions, 3 changer transitions 0/402 dead transitions. [2022-11-20 11:02:58,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 402 transitions, 932 flow [2022-11-20 11:02:58,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:02:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:02:58,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2022-11-20 11:02:58,938 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9643652561247216 [2022-11-20 11:02:58,938 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2022-11-20 11:02:58,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2022-11-20 11:02:58,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:02:58,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2022-11-20 11:02:58,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 11:02:58,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:58,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:02:58,948 INFO L175 Difference]: Start difference. First operand has 387 places, 398 transitions, 888 flow. Second operand 3 states and 1299 transitions. [2022-11-20 11:02:58,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 402 transitions, 932 flow [2022-11-20 11:02:58,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 402 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:02:58,956 INFO L231 Difference]: Finished difference. Result has 389 places, 400 transitions, 906 flow [2022-11-20 11:02:58,957 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=389, PETRI_TRANSITIONS=400} [2022-11-20 11:02:58,958 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -19 predicate places. [2022-11-20 11:02:58,958 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 400 transitions, 906 flow [2022-11-20 11:02:58,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.6666666666667) internal successors, (1286), 3 states have internal predecessors, (1286), 0 states have call successors, (0), 0 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 11:02:58,959 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:02:58,959 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] [2022-11-20 11:02:58,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 11:02:58,959 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:02:58,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:58,960 INFO L85 PathProgramCache]: Analyzing trace with hash 218922719, now seen corresponding path program 1 times [2022-11-20 11:02:58,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:02:58,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561994997] [2022-11-20 11:02:58,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:58,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:02:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:02:59,375 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 11:02:59,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:02:59,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561994997] [2022-11-20 11:02:59,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561994997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:02:59,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:02:59,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:02:59,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664462291] [2022-11-20 11:02:59,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:02:59,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:02:59,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:02:59,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:02:59,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:02:59,380 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-20 11:02:59,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 400 transitions, 906 flow. Second operand has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 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 11:02:59,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:02:59,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-20 11:02:59,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:00,022 INFO L130 PetriNetUnfolder]: 118/1731 cut-off events. [2022-11-20 11:03:00,022 INFO L131 PetriNetUnfolder]: For 18/34 co-relation queries the response was YES. [2022-11-20 11:03:00,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1966 conditions, 1731 events. 118/1731 cut-off events. For 18/34 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 13243 event pairs, 2 based on Foata normal form. 8/1536 useless extension candidates. Maximal degree in co-relation 1670. Up to 44 conditions per place. [2022-11-20 11:03:00,063 INFO L137 encePairwiseOnDemand]: 444/449 looper letters, 23 selfloop transitions, 4 changer transitions 0/399 dead transitions. [2022-11-20 11:03:00,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 399 transitions, 958 flow [2022-11-20 11:03:00,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:03:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:03:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2488 transitions. [2022-11-20 11:03:00,071 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9235337787676318 [2022-11-20 11:03:00,071 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2488 transitions. [2022-11-20 11:03:00,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2488 transitions. [2022-11-20 11:03:00,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:00,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2488 transitions. [2022-11-20 11:03:00,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 414.6666666666667) internal successors, (2488), 6 states have internal predecessors, (2488), 0 states have call successors, (0), 0 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 11:03:00,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 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 11:03:00,088 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 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 11:03:00,088 INFO L175 Difference]: Start difference. First operand has 389 places, 400 transitions, 906 flow. Second operand 6 states and 2488 transitions. [2022-11-20 11:03:00,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 399 transitions, 958 flow [2022-11-20 11:03:00,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 399 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:03:00,097 INFO L231 Difference]: Finished difference. Result has 391 places, 399 transitions, 906 flow [2022-11-20 11:03:00,099 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=906, PETRI_PLACES=391, PETRI_TRANSITIONS=399} [2022-11-20 11:03:00,100 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -17 predicate places. [2022-11-20 11:03:00,101 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 399 transitions, 906 flow [2022-11-20 11:03:00,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 412.0) internal successors, (2472), 6 states have internal predecessors, (2472), 0 states have call successors, (0), 0 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 11:03:00,102 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:00,102 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 11:03:00,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 11:03:00,102 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:00,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:00,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1244699003, now seen corresponding path program 1 times [2022-11-20 11:03:00,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:00,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160504413] [2022-11-20 11:03:00,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:00,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:00,167 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 11:03:00,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:00,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160504413] [2022-11-20 11:03:00,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160504413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:00,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:00,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:03:00,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837638540] [2022-11-20 11:03:00,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:00,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:00,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:00,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:00,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:00,174 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 449 [2022-11-20 11:03:00,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 399 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 0 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 11:03:00,175 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:00,176 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 449 [2022-11-20 11:03:00,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:00,960 INFO L130 PetriNetUnfolder]: 390/4359 cut-off events. [2022-11-20 11:03:00,961 INFO L131 PetriNetUnfolder]: For 39/62 co-relation queries the response was YES. [2022-11-20 11:03:00,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5059 conditions, 4359 events. 390/4359 cut-off events. For 39/62 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 44670 event pairs, 32 based on Foata normal form. 2/3846 useless extension candidates. Maximal degree in co-relation 4544. Up to 132 conditions per place. [2022-11-20 11:03:00,999 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 16 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2022-11-20 11:03:00,999 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 400 transitions, 946 flow [2022-11-20 11:03:01,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:03:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1288 transitions. [2022-11-20 11:03:01,003 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9561989606533037 [2022-11-20 11:03:01,003 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1288 transitions. [2022-11-20 11:03:01,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1288 transitions. [2022-11-20 11:03:01,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:01,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1288 transitions. [2022-11-20 11:03:01,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 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 11:03:01,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:01,011 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:01,011 INFO L175 Difference]: Start difference. First operand has 391 places, 399 transitions, 906 flow. Second operand 3 states and 1288 transitions. [2022-11-20 11:03:01,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 400 transitions, 946 flow [2022-11-20 11:03:01,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 400 transitions, 939 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:03:01,019 INFO L231 Difference]: Finished difference. Result has 388 places, 398 transitions, 901 flow [2022-11-20 11:03:01,020 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=901, PETRI_PLACES=388, PETRI_TRANSITIONS=398} [2022-11-20 11:03:01,020 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -20 predicate places. [2022-11-20 11:03:01,021 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 398 transitions, 901 flow [2022-11-20 11:03:01,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 0 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 11:03:01,021 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:01,022 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:03:01,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 11:03:01,022 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:01,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:01,022 INFO L85 PathProgramCache]: Analyzing trace with hash 874417473, now seen corresponding path program 1 times [2022-11-20 11:03:01,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:01,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714327522] [2022-11-20 11:03:01,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:01,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:01,063 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 11:03:01,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:01,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714327522] [2022-11-20 11:03:01,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714327522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:01,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:01,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:03:01,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593116901] [2022-11-20 11:03:01,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:01,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:01,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:01,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:01,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:01,066 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 449 [2022-11-20 11:03:01,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 398 transitions, 901 flow. Second operand has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 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 11:03:01,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:01,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 449 [2022-11-20 11:03:01,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:02,229 INFO L130 PetriNetUnfolder]: 648/5890 cut-off events. [2022-11-20 11:03:02,229 INFO L131 PetriNetUnfolder]: For 80/89 co-relation queries the response was YES. [2022-11-20 11:03:02,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6925 conditions, 5890 events. 648/5890 cut-off events. For 80/89 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 64433 event pairs, 68 based on Foata normal form. 2/5310 useless extension candidates. Maximal degree in co-relation 6339. Up to 585 conditions per place. [2022-11-20 11:03:02,295 INFO L137 encePairwiseOnDemand]: 441/449 looper letters, 20 selfloop transitions, 4 changer transitions 0/402 dead transitions. [2022-11-20 11:03:02,295 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 402 transitions, 961 flow [2022-11-20 11:03:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:03:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2022-11-20 11:03:02,299 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9539717891610987 [2022-11-20 11:03:02,299 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1285 transitions. [2022-11-20 11:03:02,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1285 transitions. [2022-11-20 11:03:02,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:02,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1285 transitions. [2022-11-20 11:03:02,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 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 11:03:02,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:02,306 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:02,306 INFO L175 Difference]: Start difference. First operand has 388 places, 398 transitions, 901 flow. Second operand 3 states and 1285 transitions. [2022-11-20 11:03:02,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 402 transitions, 961 flow [2022-11-20 11:03:02,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 402 transitions, 957 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:03:02,315 INFO L231 Difference]: Finished difference. Result has 385 places, 398 transitions, 917 flow [2022-11-20 11:03:02,316 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=917, PETRI_PLACES=385, PETRI_TRANSITIONS=398} [2022-11-20 11:03:02,316 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -23 predicate places. [2022-11-20 11:03:02,317 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 398 transitions, 917 flow [2022-11-20 11:03:02,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 0 states have call successors, (0), 0 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 11:03:02,317 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:02,317 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] [2022-11-20 11:03:02,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 11:03:02,318 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:02,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:02,318 INFO L85 PathProgramCache]: Analyzing trace with hash -322835034, now seen corresponding path program 1 times [2022-11-20 11:03:02,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:02,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521212325] [2022-11-20 11:03:02,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:02,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:02,363 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 11:03:02,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:02,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521212325] [2022-11-20 11:03:02,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521212325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:02,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:02,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:03:02,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93446506] [2022-11-20 11:03:02,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:02,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:02,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:02,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:02,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:02,367 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 449 [2022-11-20 11:03:02,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 398 transitions, 917 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 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 11:03:02,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:02,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 449 [2022-11-20 11:03:02,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:03,134 INFO L130 PetriNetUnfolder]: 414/4047 cut-off events. [2022-11-20 11:03:03,134 INFO L131 PetriNetUnfolder]: For 111/131 co-relation queries the response was YES. [2022-11-20 11:03:03,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4865 conditions, 4047 events. 414/4047 cut-off events. For 111/131 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 39515 event pairs, 64 based on Foata normal form. 2/3595 useless extension candidates. Maximal degree in co-relation 4762. Up to 286 conditions per place. [2022-11-20 11:03:03,199 INFO L137 encePairwiseOnDemand]: 445/449 looper letters, 14 selfloop transitions, 3 changer transitions 0/402 dead transitions. [2022-11-20 11:03:03,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 402 transitions, 961 flow [2022-11-20 11:03:03,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:03:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2022-11-20 11:03:03,203 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9643652561247216 [2022-11-20 11:03:03,203 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2022-11-20 11:03:03,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2022-11-20 11:03:03,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:03,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2022-11-20 11:03:03,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 11:03:03,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:03,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:03,211 INFO L175 Difference]: Start difference. First operand has 385 places, 398 transitions, 917 flow. Second operand 3 states and 1299 transitions. [2022-11-20 11:03:03,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 402 transitions, 961 flow [2022-11-20 11:03:03,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 402 transitions, 961 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 11:03:03,218 INFO L231 Difference]: Finished difference. Result has 389 places, 400 transitions, 939 flow [2022-11-20 11:03:03,219 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=939, PETRI_PLACES=389, PETRI_TRANSITIONS=400} [2022-11-20 11:03:03,220 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -19 predicate places. [2022-11-20 11:03:03,220 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 400 transitions, 939 flow [2022-11-20 11:03:03,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 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 11:03:03,220 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:03,221 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] [2022-11-20 11:03:03,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 11:03:03,221 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:03,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:03,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1248299634, now seen corresponding path program 1 times [2022-11-20 11:03:03,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:03,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340268280] [2022-11-20 11:03:03,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:03,258 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 11:03:03,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:03,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340268280] [2022-11-20 11:03:03,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340268280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:03,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:03,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:03:03,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751170780] [2022-11-20 11:03:03,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:03,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:03,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:03,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:03,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:03,261 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 449 [2022-11-20 11:03:03,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 400 transitions, 939 flow. Second operand has 3 states, 3 states have (on average 425.0) internal successors, (1275), 3 states have internal predecessors, (1275), 0 states have call successors, (0), 0 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 11:03:03,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:03,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 449 [2022-11-20 11:03:03,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:03,920 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L56-50-->L56-51: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet24#1][255], [120#L56-51true, Black: 511#true, Black: 480#true, Black: 516#true, 522#true, Black: 485#true, 276#L76-7true, Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 513#(= |#race~sort_label_4~0| 0), 466#(= |#race~sort_label_is_null_3~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-20 11:03:03,920 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is not cut-off event [2022-11-20 11:03:03,920 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is not cut-off event [2022-11-20 11:03:03,920 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is not cut-off event [2022-11-20 11:03:03,920 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is not cut-off event [2022-11-20 11:03:03,921 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L56-50-->L56-51: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet24#1][255], [120#L56-51true, Black: 511#true, Black: 480#true, 522#true, Black: 485#true, Black: 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), 276#L76-7true, Black: 459#true, 516#true, 461#(= |#race~sort_label_is_null_1~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 466#(= |#race~sort_label_is_null_3~0| 0), 513#(= |#race~sort_label_4~0| 0), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-20 11:03:03,921 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is not cut-off event [2022-11-20 11:03:03,921 INFO L386 tUnfolder$Statistics]: existing Event has 186 ancestors and is not cut-off event [2022-11-20 11:03:03,921 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-20 11:03:03,921 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is not cut-off event [2022-11-20 11:03:03,966 INFO L130 PetriNetUnfolder]: 392/3435 cut-off events. [2022-11-20 11:03:03,967 INFO L131 PetriNetUnfolder]: For 220/224 co-relation queries the response was YES. [2022-11-20 11:03:04,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4503 conditions, 3435 events. 392/3435 cut-off events. For 220/224 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 33350 event pairs, 48 based on Foata normal form. 0/3142 useless extension candidates. Maximal degree in co-relation 4398. Up to 248 conditions per place. [2022-11-20 11:03:04,016 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 15 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2022-11-20 11:03:04,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 401 transitions, 977 flow [2022-11-20 11:03:04,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:03:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1287 transitions. [2022-11-20 11:03:04,020 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.955456570155902 [2022-11-20 11:03:04,021 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1287 transitions. [2022-11-20 11:03:04,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1287 transitions. [2022-11-20 11:03:04,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:04,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1287 transitions. [2022-11-20 11:03:04,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 0 states have call successors, (0), 0 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 11:03:04,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:04,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:04,029 INFO L175 Difference]: Start difference. First operand has 389 places, 400 transitions, 939 flow. Second operand 3 states and 1287 transitions. [2022-11-20 11:03:04,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 401 transitions, 977 flow [2022-11-20 11:03:04,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 401 transitions, 971 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:03:04,040 INFO L231 Difference]: Finished difference. Result has 388 places, 399 transitions, 935 flow [2022-11-20 11:03:04,040 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=931, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=935, PETRI_PLACES=388, PETRI_TRANSITIONS=399} [2022-11-20 11:03:04,041 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -20 predicate places. [2022-11-20 11:03:04,041 INFO L495 AbstractCegarLoop]: Abstraction has has 388 places, 399 transitions, 935 flow [2022-11-20 11:03:04,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.0) internal successors, (1275), 3 states have internal predecessors, (1275), 0 states have call successors, (0), 0 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 11:03:04,042 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:04,042 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 11:03:04,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 11:03:04,043 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:04,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:04,043 INFO L85 PathProgramCache]: Analyzing trace with hash 345419326, now seen corresponding path program 1 times [2022-11-20 11:03:04,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:04,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314572647] [2022-11-20 11:03:04,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:04,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:04,623 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 11:03:04,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:04,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314572647] [2022-11-20 11:03:04,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314572647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:04,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:04,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:03:04,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994998755] [2022-11-20 11:03:04,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:04,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:03:04,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:04,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:03:04,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:03:04,629 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-20 11:03:04,632 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 399 transitions, 935 flow. Second operand has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 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 11:03:04,633 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:04,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-20 11:03:04,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:05,325 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1298] thread3EXIT-->L77-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][374], [Black: 511#true, Black: 480#true, 522#true, Black: 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), Black: 485#true, Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 51#L77-7true, 466#(= |#race~sort_label_is_null_3~0| 0), 513#(= |#race~sort_label_4~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 531#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-20 11:03:05,326 INFO L383 tUnfolder$Statistics]: this new event has 198 ancestors and is not cut-off event [2022-11-20 11:03:05,326 INFO L386 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2022-11-20 11:03:05,326 INFO L386 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2022-11-20 11:03:05,326 INFO L386 tUnfolder$Statistics]: existing Event has 206 ancestors and is not cut-off event [2022-11-20 11:03:05,337 INFO L130 PetriNetUnfolder]: 237/2880 cut-off events. [2022-11-20 11:03:05,337 INFO L131 PetriNetUnfolder]: For 2/18 co-relation queries the response was YES. [2022-11-20 11:03:05,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3504 conditions, 2880 events. 237/2880 cut-off events. For 2/18 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 25843 event pairs, 3 based on Foata normal form. 0/2640 useless extension candidates. Maximal degree in co-relation 3392. Up to 134 conditions per place. [2022-11-20 11:03:05,393 INFO L137 encePairwiseOnDemand]: 444/449 looper letters, 22 selfloop transitions, 4 changer transitions 0/398 dead transitions. [2022-11-20 11:03:05,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 398 transitions, 985 flow [2022-11-20 11:03:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:03:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:03:05,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2487 transitions. [2022-11-20 11:03:05,399 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.923162583518931 [2022-11-20 11:03:05,399 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2487 transitions. [2022-11-20 11:03:05,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2487 transitions. [2022-11-20 11:03:05,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:05,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2487 transitions. [2022-11-20 11:03:05,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 414.5) internal successors, (2487), 6 states have internal predecessors, (2487), 0 states have call successors, (0), 0 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 11:03:05,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 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 11:03:05,410 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 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 11:03:05,410 INFO L175 Difference]: Start difference. First operand has 388 places, 399 transitions, 935 flow. Second operand 6 states and 2487 transitions. [2022-11-20 11:03:05,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 398 transitions, 985 flow [2022-11-20 11:03:05,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 398 transitions, 981 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:03:05,420 INFO L231 Difference]: Finished difference. Result has 390 places, 398 transitions, 937 flow [2022-11-20 11:03:05,421 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=929, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=937, PETRI_PLACES=390, PETRI_TRANSITIONS=398} [2022-11-20 11:03:05,421 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -18 predicate places. [2022-11-20 11:03:05,422 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 398 transitions, 937 flow [2022-11-20 11:03:05,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 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 11:03:05,423 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:05,423 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] [2022-11-20 11:03:05,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 11:03:05,423 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:05,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1278589377, now seen corresponding path program 1 times [2022-11-20 11:03:05,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:05,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151093928] [2022-11-20 11:03:05,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:05,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:05,892 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 11:03:05,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:05,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151093928] [2022-11-20 11:03:05,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151093928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:05,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:05,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:03:05,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163117979] [2022-11-20 11:03:05,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:05,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:03:05,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:05,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:03:05,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:03:05,897 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 449 [2022-11-20 11:03:05,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 398 transitions, 937 flow. Second operand has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 0 states have call successors, (0), 0 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 11:03:05,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:05,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 449 [2022-11-20 11:03:05,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:06,586 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1298] thread3EXIT-->L77-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][373], [Black: 511#true, Black: 480#true, Black: 485#true, Black: 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 51#L77-7true, 466#(= |#race~sort_label_is_null_3~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 513#(= |#race~sort_label_4~0| 0), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 538#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 531#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-20 11:03:06,586 INFO L383 tUnfolder$Statistics]: this new event has 198 ancestors and is not cut-off event [2022-11-20 11:03:06,586 INFO L386 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2022-11-20 11:03:06,586 INFO L386 tUnfolder$Statistics]: existing Event has 206 ancestors and is not cut-off event [2022-11-20 11:03:06,586 INFO L386 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2022-11-20 11:03:06,593 INFO L130 PetriNetUnfolder]: 237/2876 cut-off events. [2022-11-20 11:03:06,593 INFO L131 PetriNetUnfolder]: For 4/20 co-relation queries the response was YES. [2022-11-20 11:03:06,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3422 conditions, 2876 events. 237/2876 cut-off events. For 4/20 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 25820 event pairs, 3 based on Foata normal form. 0/2640 useless extension candidates. Maximal degree in co-relation 3310. Up to 134 conditions per place. [2022-11-20 11:03:06,628 INFO L137 encePairwiseOnDemand]: 444/449 looper letters, 21 selfloop transitions, 4 changer transitions 0/397 dead transitions. [2022-11-20 11:03:06,628 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 397 transitions, 985 flow [2022-11-20 11:03:06,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:03:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:03:06,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2486 transitions. [2022-11-20 11:03:06,634 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9227913882702301 [2022-11-20 11:03:06,634 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2486 transitions. [2022-11-20 11:03:06,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2486 transitions. [2022-11-20 11:03:06,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:06,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2486 transitions. [2022-11-20 11:03:06,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 414.3333333333333) internal successors, (2486), 6 states have internal predecessors, (2486), 0 states have call successors, (0), 0 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 11:03:06,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 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 11:03:06,646 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 449.0) internal successors, (3143), 7 states have internal predecessors, (3143), 0 states have call successors, (0), 0 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 11:03:06,646 INFO L175 Difference]: Start difference. First operand has 390 places, 398 transitions, 937 flow. Second operand 6 states and 2486 transitions. [2022-11-20 11:03:06,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 397 transitions, 985 flow [2022-11-20 11:03:06,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 397 transitions, 978 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:03:06,654 INFO L231 Difference]: Finished difference. Result has 390 places, 397 transitions, 936 flow [2022-11-20 11:03:06,655 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=928, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=936, PETRI_PLACES=390, PETRI_TRANSITIONS=397} [2022-11-20 11:03:06,655 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -18 predicate places. [2022-11-20 11:03:06,655 INFO L495 AbstractCegarLoop]: Abstraction has has 390 places, 397 transitions, 936 flow [2022-11-20 11:03:06,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 414.0) internal successors, (2484), 6 states have internal predecessors, (2484), 0 states have call successors, (0), 0 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 11:03:06,657 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:06,657 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] [2022-11-20 11:03:06,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 11:03:06,657 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:06,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:06,658 INFO L85 PathProgramCache]: Analyzing trace with hash -2078696486, now seen corresponding path program 1 times [2022-11-20 11:03:06,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:06,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119033233] [2022-11-20 11:03:06,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:06,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:06,726 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 11:03:06,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:06,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119033233] [2022-11-20 11:03:06,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119033233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:06,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:06,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:03:06,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065840231] [2022-11-20 11:03:06,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:06,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:06,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:06,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:06,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:06,729 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 428 out of 449 [2022-11-20 11:03:06,731 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 397 transitions, 936 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 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 11:03:06,731 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:06,731 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 428 of 449 [2022-11-20 11:03:06,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:07,541 INFO L130 PetriNetUnfolder]: 400/4870 cut-off events. [2022-11-20 11:03:07,541 INFO L131 PetriNetUnfolder]: For 13/21 co-relation queries the response was YES. [2022-11-20 11:03:07,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5781 conditions, 4870 events. 400/4870 cut-off events. For 13/21 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 51829 event pairs, 19 based on Foata normal form. 0/4482 useless extension candidates. Maximal degree in co-relation 5599. Up to 210 conditions per place. [2022-11-20 11:03:07,609 INFO L137 encePairwiseOnDemand]: 447/449 looper letters, 9 selfloop transitions, 1 changer transitions 0/396 dead transitions. [2022-11-20 11:03:07,609 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 396 transitions, 954 flow [2022-11-20 11:03:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:03:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2022-11-20 11:03:07,612 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.961395694135115 [2022-11-20 11:03:07,612 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1295 transitions. [2022-11-20 11:03:07,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1295 transitions. [2022-11-20 11:03:07,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:07,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1295 transitions. [2022-11-20 11:03:07,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 0 states have call successors, (0), 0 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 11:03:07,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:07,619 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:07,619 INFO L175 Difference]: Start difference. First operand has 390 places, 397 transitions, 936 flow. Second operand 3 states and 1295 transitions. [2022-11-20 11:03:07,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 396 transitions, 954 flow [2022-11-20 11:03:07,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 396 transitions, 947 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:03:07,628 INFO L231 Difference]: Finished difference. Result has 387 places, 396 transitions, 929 flow [2022-11-20 11:03:07,628 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=927, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=929, PETRI_PLACES=387, PETRI_TRANSITIONS=396} [2022-11-20 11:03:07,629 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -21 predicate places. [2022-11-20 11:03:07,629 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 396 transitions, 929 flow [2022-11-20 11:03:07,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 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 11:03:07,630 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:07,630 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 11:03:07,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 11:03:07,630 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:07,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:07,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1385761996, now seen corresponding path program 1 times [2022-11-20 11:03:07,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:07,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939762909] [2022-11-20 11:03:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:07,699 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 11:03:07,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:07,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939762909] [2022-11-20 11:03:07,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939762909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:07,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:07,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:03:07,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332902187] [2022-11-20 11:03:07,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:07,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:07,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:07,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:07,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:07,703 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 449 [2022-11-20 11:03:07,704 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 396 transitions, 929 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 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 11:03:07,704 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:07,704 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 449 [2022-11-20 11:03:07,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:08,920 INFO L130 PetriNetUnfolder]: 479/5699 cut-off events. [2022-11-20 11:03:08,920 INFO L131 PetriNetUnfolder]: For 29/45 co-relation queries the response was YES. [2022-11-20 11:03:08,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6841 conditions, 5699 events. 479/5699 cut-off events. For 29/45 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 63654 event pairs, 47 based on Foata normal form. 0/5263 useless extension candidates. Maximal degree in co-relation 6709. Up to 193 conditions per place. [2022-11-20 11:03:08,963 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 11 selfloop transitions, 1 changer transitions 0/394 dead transitions. [2022-11-20 11:03:08,963 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 394 transitions, 949 flow [2022-11-20 11:03:08,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:08,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:03:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1289 transitions. [2022-11-20 11:03:08,967 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9569413511507052 [2022-11-20 11:03:08,967 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1289 transitions. [2022-11-20 11:03:08,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1289 transitions. [2022-11-20 11:03:08,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:08,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1289 transitions. [2022-11-20 11:03:08,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.6666666666667) internal successors, (1289), 3 states have internal predecessors, (1289), 0 states have call successors, (0), 0 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 11:03:08,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:08,973 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:08,973 INFO L175 Difference]: Start difference. First operand has 387 places, 396 transitions, 929 flow. Second operand 3 states and 1289 transitions. [2022-11-20 11:03:08,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 394 transitions, 949 flow [2022-11-20 11:03:08,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 394 transitions, 948 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:03:08,982 INFO L231 Difference]: Finished difference. Result has 386 places, 394 transitions, 926 flow [2022-11-20 11:03:08,982 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=926, PETRI_PLACES=386, PETRI_TRANSITIONS=394} [2022-11-20 11:03:08,983 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -22 predicate places. [2022-11-20 11:03:08,983 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 394 transitions, 926 flow [2022-11-20 11:03:08,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 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 11:03:08,984 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:03:08,984 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] [2022-11-20 11:03:08,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 11:03:08,984 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:03:08,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:08,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1095287029, now seen corresponding path program 1 times [2022-11-20 11:03:08,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:03:08,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622321213] [2022-11-20 11:03:08,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:08,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:03:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:09,052 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 11:03:09,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:03:09,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622321213] [2022-11-20 11:03:09,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622321213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:09,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:09,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:03:09,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137566359] [2022-11-20 11:03:09,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:09,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:09,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:03:09,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:09,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:09,055 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 449 [2022-11-20 11:03:09,056 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 394 transitions, 926 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 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 11:03:09,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:03:09,057 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 449 [2022-11-20 11:03:09,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:03:09,779 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1222] L56-51-->L56-52: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork0_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_3|} OutVars{thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_3|, #race~result_8~0=|v_#race~result_8~0_1|} AuxVars[] AssignedVars[#race~result_8~0][264], [Black: 511#true, Black: 480#true, Black: 516#true, Black: 485#true, 276#L76-7true, 548#true, Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 177#L56-52true, 466#(= |#race~sort_label_is_null_3~0| 0), Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 513#(= |#race~sort_label_4~0| 0), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 544#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 531#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-20 11:03:09,779 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is not cut-off event [2022-11-20 11:03:09,779 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is not cut-off event [2022-11-20 11:03:09,780 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is not cut-off event [2022-11-20 11:03:09,780 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is not cut-off event [2022-11-20 11:03:09,780 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1222] L56-51-->L56-52: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork0_#t~nondet24#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_3|} OutVars{thread3Thread1of1ForFork0_#t~nondet24#1=|v_thread3Thread1of1ForFork0_#t~nondet24#1_3|, #race~result_8~0=|v_#race~result_8~0_1|} AuxVars[] AssignedVars[#race~result_8~0][264], [Black: 511#true, Black: 480#true, Black: 518#(not |thread3Thread1of1ForFork0_#t~short19#1|), 276#L76-7true, Black: 485#true, 548#true, Black: 459#true, 461#(= |#race~sort_label_is_null_1~0| 0), 177#L56-52true, Black: 496#(not |thread2Thread1of1ForFork2_#t~short11#1|), 466#(= |#race~sort_label_is_null_3~0| 0), 513#(= |#race~sort_label_4~0| 0), 487#(= |#race~sort_label_2~0| 0), Black: 464#true, 544#true, 482#(= |#race~sort_label_0~0| 0), 505#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~sort_label_is_null_5~0| 0), Black: 469#true, 531#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 476#(not |thread1Thread1of1ForFork1_#t~short3#1|)]) [2022-11-20 11:03:09,781 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is not cut-off event [2022-11-20 11:03:09,781 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-20 11:03:09,781 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is not cut-off event [2022-11-20 11:03:09,781 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is not cut-off event [2022-11-20 11:03:09,836 INFO L130 PetriNetUnfolder]: 335/3301 cut-off events. [2022-11-20 11:03:09,836 INFO L131 PetriNetUnfolder]: For 87/91 co-relation queries the response was YES. [2022-11-20 11:03:09,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4129 conditions, 3301 events. 335/3301 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 31293 event pairs, 63 based on Foata normal form. 5/3038 useless extension candidates. Maximal degree in co-relation 4052. Up to 273 conditions per place. [2022-11-20 11:03:09,891 INFO L137 encePairwiseOnDemand]: 446/449 looper letters, 0 selfloop transitions, 0 changer transitions 392/392 dead transitions. [2022-11-20 11:03:09,891 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 392 transitions, 944 flow [2022-11-20 11:03:09,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:03:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1288 transitions. [2022-11-20 11:03:09,894 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9561989606533037 [2022-11-20 11:03:09,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1288 transitions. [2022-11-20 11:03:09,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1288 transitions. [2022-11-20 11:03:09,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:03:09,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1288 transitions. [2022-11-20 11:03:09,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 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 11:03:09,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:09,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 449.0) internal successors, (1796), 4 states have internal predecessors, (1796), 0 states have call successors, (0), 0 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 11:03:09,899 INFO L175 Difference]: Start difference. First operand has 386 places, 394 transitions, 926 flow. Second operand 3 states and 1288 transitions. [2022-11-20 11:03:09,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 392 transitions, 944 flow [2022-11-20 11:03:09,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 392 transitions, 943 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:03:09,905 INFO L231 Difference]: Finished difference. Result has 385 places, 0 transitions, 0 flow [2022-11-20 11:03:09,906 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=449, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=385, PETRI_TRANSITIONS=0} [2022-11-20 11:03:09,906 INFO L288 CegarLoopForPetriNet]: 408 programPoint places, -23 predicate places. [2022-11-20 11:03:09,906 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 0 transitions, 0 flow [2022-11-20 11:03:09,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 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 11:03:09,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2022-11-20 11:03:09,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2022-11-20 11:03:09,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2022-11-20 11:03:09,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2022-11-20 11:03:09,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2022-11-20 11:03:09,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2022-11-20 11:03:09,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2022-11-20 11:03:09,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2022-11-20 11:03:09,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2022-11-20 11:03:09,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2022-11-20 11:03:09,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2022-11-20 11:03:09,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2022-11-20 11:03:09,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2022-11-20 11:03:09,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2022-11-20 11:03:09,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2022-11-20 11:03:09,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2022-11-20 11:03:09,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2022-11-20 11:03:09,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2022-11-20 11:03:09,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2022-11-20 11:03:09,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2022-11-20 11:03:09,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2022-11-20 11:03:09,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2022-11-20 11:03:09,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2022-11-20 11:03:09,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2022-11-20 11:03:09,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2022-11-20 11:03:09,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2022-11-20 11:03:09,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2022-11-20 11:03:09,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2022-11-20 11:03:09,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2022-11-20 11:03:09,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2022-11-20 11:03:09,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2022-11-20 11:03:09,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2022-11-20 11:03:09,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2022-11-20 11:03:09,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2022-11-20 11:03:09,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2022-11-20 11:03:09,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2022-11-20 11:03:09,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2022-11-20 11:03:09,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2022-11-20 11:03:09,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2022-11-20 11:03:09,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2022-11-20 11:03:09,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2022-11-20 11:03:09,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2022-11-20 11:03:09,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2022-11-20 11:03:09,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2022-11-20 11:03:09,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2022-11-20 11:03:09,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2022-11-20 11:03:09,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2022-11-20 11:03:09,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 83 remaining) [2022-11-20 11:03:09,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 83 remaining) [2022-11-20 11:03:09,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 83 remaining) [2022-11-20 11:03:09,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2022-11-20 11:03:09,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2022-11-20 11:03:09,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2022-11-20 11:03:09,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2022-11-20 11:03:09,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2022-11-20 11:03:09,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2022-11-20 11:03:09,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2022-11-20 11:03:09,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2022-11-20 11:03:09,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2022-11-20 11:03:09,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2022-11-20 11:03:09,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2022-11-20 11:03:09,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2022-11-20 11:03:09,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2022-11-20 11:03:09,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2022-11-20 11:03:09,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2022-11-20 11:03:09,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2022-11-20 11:03:09,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2022-11-20 11:03:09,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2022-11-20 11:03:09,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2022-11-20 11:03:09,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2022-11-20 11:03:09,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2022-11-20 11:03:09,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2022-11-20 11:03:09,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2022-11-20 11:03:09,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2022-11-20 11:03:09,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2022-11-20 11:03:09,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2022-11-20 11:03:09,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2022-11-20 11:03:09,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2022-11-20 11:03:09,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2022-11-20 11:03:09,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2022-11-20 11:03:09,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2022-11-20 11:03:09,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2022-11-20 11:03:09,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2022-11-20 11:03:09,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 11:03:09,927 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] [2022-11-20 11:03:09,932 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:03:09,933 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:03:09,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:03:09 BasicIcfg [2022-11-20 11:03:09,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:03:09,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:03:09,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:03:09,938 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:03:09,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:02:47" (3/4) ... [2022-11-20 11:03:09,941 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:03:09,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 11:03:09,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 11:03:09,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 11:03:09,953 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 11:03:09,954 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:03:09,954 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:03:09,954 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:03:10,012 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:03:10,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:03:10,013 INFO L158 Benchmark]: Toolchain (without parser) took 23734.46ms. Allocated memory was 161.5MB in the beginning and 1.0GB in the end (delta: 845.2MB). Free memory was 114.5MB in the beginning and 476.4MB in the end (delta: -361.9MB). Peak memory consumption was 484.8MB. Max. memory is 16.1GB. [2022-11-20 11:03:10,013 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:03:10,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.69ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 100.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:03:10,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.69ms. Allocated memory is still 161.5MB. Free memory was 100.8MB in the beginning and 98.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:03:10,014 INFO L158 Benchmark]: Boogie Preprocessor took 66.68ms. Allocated memory is still 161.5MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:03:10,014 INFO L158 Benchmark]: RCFGBuilder took 1025.36ms. Allocated memory is still 161.5MB. Free memory was 96.1MB in the beginning and 127.1MB in the end (delta: -30.9MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2022-11-20 11:03:10,015 INFO L158 Benchmark]: TraceAbstraction took 22074.53ms. Allocated memory was 161.5MB in the beginning and 1.0GB in the end (delta: 845.2MB). Free memory was 126.4MB in the beginning and 479.5MB in the end (delta: -353.1MB). Peak memory consumption was 492.6MB. Max. memory is 16.1GB. [2022-11-20 11:03:10,015 INFO L158 Benchmark]: Witness Printer took 74.34ms. Allocated memory is still 1.0GB. Free memory was 479.5MB in the beginning and 476.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:03:10,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.69ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 100.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.69ms. Allocated memory is still 161.5MB. Free memory was 100.8MB in the beginning and 98.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.68ms. Allocated memory is still 161.5MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1025.36ms. Allocated memory is still 161.5MB. Free memory was 96.1MB in the beginning and 127.1MB in the end (delta: -30.9MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * TraceAbstraction took 22074.53ms. Allocated memory was 161.5MB in the beginning and 1.0GB in the end (delta: 845.2MB). Free memory was 126.4MB in the beginning and 479.5MB in the end (delta: -353.1MB). Peak memory consumption was 492.6MB. Max. memory is 16.1GB. * Witness Printer took 74.34ms. Allocated memory is still 1.0GB. Free memory was 479.5MB in the beginning and 476.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 690 locations, 83 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: 21.8s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 612 IncrementalHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 256 mSDtfsCounter, 612 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=939occurred in iteration=18, InterpolantAutomatonStates: 81, 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, 2.2s InterpolantComputationTime, 2201 NumberOfCodeBlocks, 2201 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2177 ConstructedInterpolants, 0 QuantifiedInterpolants, 2459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 11:03:10,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc58958-21f3-4e59-a387-d76274ee3de4/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