./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --- 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-4e7fbc6 [2022-11-23 15:53:59,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:53:59,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:53:59,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:53:59,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:53:59,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:53:59,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:53:59,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:53:59,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:53:59,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:53:59,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:53:59,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:53:59,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:53:59,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:53:59,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:53:59,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:53:59,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:53:59,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:53:59,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:53:59,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:53:59,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:53:59,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:53:59,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:53:59,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:53:59,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:53:59,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:53:59,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:53:59,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:53:59,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:53:59,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:53:59,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:53:59,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:53:59,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:53:59,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:53:59,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:53:59,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:53:59,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:53:59,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:53:59,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:53:59,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:53:59,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:53:59,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 15:53:59,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:53:59,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:53:59,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:53:59,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:53:59,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:53:59,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:53:59,464 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:53:59,464 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:53:59,465 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:53:59,465 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:53:59,465 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:53:59,465 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:53:59,465 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:53:59,466 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:53:59,466 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:53:59,466 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:53:59,466 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:53:59,467 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:53:59,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:53:59,468 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:53:59,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:53:59,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:53:59,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:53:59,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:53:59,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:53:59,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:53:59,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:53:59,469 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 15:53:59,470 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:53:59,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:53:59,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:53:59,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:53:59,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:53:59,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:53:59,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:53:59,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:53:59,471 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:53:59,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:53:59,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:53:59,472 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:53:59,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:53:59,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:53:59,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:53:59,473 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_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 [2022-11-23 15:53:59,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:53:59,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:53:59,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:53:59,738 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:53:59,738 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:53:59,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2022-11-23 15:54:02,784 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:54:03,210 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:54:03,210 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2022-11-23 15:54:03,237 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/data/14e90c25c/ea2076697ddd4efeb011cc32332204ed/FLAGf83930ab7 [2022-11-23 15:54:03,257 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/data/14e90c25c/ea2076697ddd4efeb011cc32332204ed [2022-11-23 15:54:03,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:54:03,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:54:03,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:54:03,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:54:03,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:54:03,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:03" (1/1) ... [2022-11-23 15:54:03,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee9246a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:03, skipping insertion in model container [2022-11-23 15:54:03,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:03" (1/1) ... [2022-11-23 15:54:03,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:54:03,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:54:04,149 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_3eae314d-380c-45fe-9a43-d9132d9bc37b/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i[76084,76097] [2022-11-23 15:54:04,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:54:04,208 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:54:04,259 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_3eae314d-380c-45fe-9a43-d9132d9bc37b/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i[76084,76097] [2022-11-23 15:54:04,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:54:04,388 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:54:04,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04 WrapperNode [2022-11-23 15:54:04,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:54:04,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:54:04,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:54:04,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:54:04,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,463 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-11-23 15:54:04,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:54:04,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:54:04,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:54:04,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:54:04,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,593 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:54:04,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:54:04,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:54:04,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:54:04,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (1/1) ... [2022-11-23 15:54:04,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:54:04,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:54:04,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:54:04,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eae314d-380c-45fe-9a43-d9132d9bc37b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:54:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:54:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:54:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 15:54:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:54:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:54:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:54:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:54:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-23 15:54:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-23 15:54:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:54:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:54:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:54:04,710 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 15:54:05,129 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:54:05,131 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:54:05,565 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:54:05,574 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:54:05,575 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:54:05,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:05 BoogieIcfgContainer [2022-11-23 15:54:05,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:54:05,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:54:05,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:54:05,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:54:05,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:03" (1/3) ... [2022-11-23 15:54:05,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5721a1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:05, skipping insertion in model container [2022-11-23 15:54:05,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:04" (2/3) ... [2022-11-23 15:54:05,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5721a1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:05, skipping insertion in model container [2022-11-23 15:54:05,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:05" (3/3) ... [2022-11-23 15:54:05,591 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2022-11-23 15:54:05,600 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 15:54:05,610 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:54:05,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-23 15:54:05,610 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 15:54:05,701 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 15:54:05,739 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 15:54:05,762 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 323 transitions, 662 flow [2022-11-23 15:54:05,770 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 323 transitions, 662 flow [2022-11-23 15:54:05,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 321 places, 323 transitions, 662 flow [2022-11-23 15:54:05,997 INFO L130 PetriNetUnfolder]: 10/400 cut-off events. [2022-11-23 15:54:06,017 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 15:54:06,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 400 events. 10/400 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 830 event pairs, 0 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 229. Up to 4 conditions per place. [2022-11-23 15:54:06,049 INFO L119 LiptonReduction]: Number of co-enabled transitions 16644 [2022-11-23 15:54:44,334 WARN L233 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 102 DAG size of output: 100 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:54:51,294 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 102 DAG size of output: 100 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:55:05,656 WARN L233 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 129 DAG size of output: 123 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:55:16,225 WARN L233 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 135 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:55:32,392 WARN L233 SmtUtils]: Spent 12.86s on a formula simplification. DAG size of input: 149 DAG size of output: 145 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:55:37,635 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:56:01,015 WARN L233 SmtUtils]: Spent 23.38s on a formula simplification. DAG size of input: 155 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:56:09,460 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:56:24,593 WARN L233 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:56:30,915 WARN L233 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:56:37,818 WARN L233 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:56:44,531 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 201 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:56:50,399 WARN L233 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:56:56,162 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 182 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:57:04,574 INFO L134 LiptonReduction]: Checked pairs total: 209118 [2022-11-23 15:57:04,575 INFO L136 LiptonReduction]: Total number of compositions: 314 [2022-11-23 15:57:04,585 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 116 places, 114 transitions, 244 flow [2022-11-23 15:57:05,693 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 25343 states, 25151 states have (on average 2.957973838018369) internal successors, (74396), 25342 states have internal predecessors, (74396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:05,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:57:05,726 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=FINITE_AUTOMATA, 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;@4aca0d38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:57:05,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-23 15:57:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 25343 states, 25151 states have (on average 2.957973838018369) internal successors, (74396), 25342 states have internal predecessors, (74396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-23 15:57:05,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:05,792 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-23 15:57:05,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:05,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:05,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1023, now seen corresponding path program 1 times [2022-11-23 15:57:05,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:05,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990152447] [2022-11-23 15:57:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:05,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:06,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:06,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990152447] [2022-11-23 15:57:06,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990152447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:06,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:06,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 15:57:06,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995879243] [2022-11-23 15:57:06,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:06,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:57:06,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:06,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:57:06,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:57:06,216 INFO L87 Difference]: Start difference. First operand has 25343 states, 25151 states have (on average 2.957973838018369) internal successors, (74396), 25342 states have internal predecessors, (74396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:07,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:07,261 INFO L93 Difference]: Finished difference Result 23438 states and 67478 transitions. [2022-11-23 15:57:07,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:57:07,268 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-23 15:57:07,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:07,617 INFO L225 Difference]: With dead ends: 23438 [2022-11-23 15:57:07,617 INFO L226 Difference]: Without dead ends: 23433 [2022-11-23 15:57:07,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:57:07,632 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:07,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:57:07,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23433 states. [2022-11-23 15:57:09,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23433 to 23433. [2022-11-23 15:57:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23433 states, 23314 states have (on average 2.893754825426782) internal successors, (67465), 23432 states have internal predecessors, (67465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23433 states to 23433 states and 67465 transitions. [2022-11-23 15:57:09,761 INFO L78 Accepts]: Start accepts. Automaton has 23433 states and 67465 transitions. Word has length 1 [2022-11-23 15:57:09,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:09,762 INFO L495 AbstractCegarLoop]: Abstraction has 23433 states and 67465 transitions. [2022-11-23 15:57:09,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 23433 states and 67465 transitions. [2022-11-23 15:57:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:57:09,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:09,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:09,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:57:09,771 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:09,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:09,773 INFO L85 PathProgramCache]: Analyzing trace with hash -885828247, now seen corresponding path program 1 times [2022-11-23 15:57:09,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:09,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827484361] [2022-11-23 15:57:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:09,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:11,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:11,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827484361] [2022-11-23 15:57:11,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827484361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:11,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:11,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:57:11,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906072321] [2022-11-23 15:57:11,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:11,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:57:11,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:11,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:57:11,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:11,041 INFO L87 Difference]: Start difference. First operand 23433 states and 67465 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:13,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:13,059 INFO L93 Difference]: Finished difference Result 26461 states and 76301 transitions. [2022-11-23 15:57:13,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:57:13,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 15:57:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:13,233 INFO L225 Difference]: With dead ends: 26461 [2022-11-23 15:57:13,233 INFO L226 Difference]: Without dead ends: 26461 [2022-11-23 15:57:13,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:13,242 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 98 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:13,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 71 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 15:57:13,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26461 states. [2022-11-23 15:57:14,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26461 to 25852. [2022-11-23 15:57:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25852 states, 25734 states have (on average 2.895935338462734) internal successors, (74524), 25851 states have internal predecessors, (74524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25852 states to 25852 states and 74524 transitions. [2022-11-23 15:57:14,511 INFO L78 Accepts]: Start accepts. Automaton has 25852 states and 74524 transitions. Word has length 7 [2022-11-23 15:57:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:14,512 INFO L495 AbstractCegarLoop]: Abstraction has 25852 states and 74524 transitions. [2022-11-23 15:57:14,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:14,512 INFO L276 IsEmpty]: Start isEmpty. Operand 25852 states and 74524 transitions. [2022-11-23 15:57:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:57:14,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:14,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:14,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:57:14,514 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:14,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:14,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1586601858, now seen corresponding path program 1 times [2022-11-23 15:57:14,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:14,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279221883] [2022-11-23 15:57:14,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:14,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:14,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279221883] [2022-11-23 15:57:14,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279221883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:14,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:14,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:57:14,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860253280] [2022-11-23 15:57:14,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:14,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:57:14,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:14,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:57:14,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:57:14,683 INFO L87 Difference]: Start difference. First operand 25852 states and 74524 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:15,490 INFO L93 Difference]: Finished difference Result 25846 states and 74518 transitions. [2022-11-23 15:57:15,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:57:15,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 15:57:15,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:15,659 INFO L225 Difference]: With dead ends: 25846 [2022-11-23 15:57:15,660 INFO L226 Difference]: Without dead ends: 25846 [2022-11-23 15:57:15,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:57:15,662 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:15,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:57:15,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25846 states. [2022-11-23 15:57:16,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25846 to 25846. [2022-11-23 15:57:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25846 states, 25729 states have (on average 2.896264915076373) internal successors, (74518), 25845 states have internal predecessors, (74518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25846 states to 25846 states and 74518 transitions. [2022-11-23 15:57:16,956 INFO L78 Accepts]: Start accepts. Automaton has 25846 states and 74518 transitions. Word has length 7 [2022-11-23 15:57:16,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:16,957 INFO L495 AbstractCegarLoop]: Abstraction has 25846 states and 74518 transitions. [2022-11-23 15:57:16,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 25846 states and 74518 transitions. [2022-11-23 15:57:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:57:16,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:16,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:16,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:57:16,960 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1661020964, now seen corresponding path program 1 times [2022-11-23 15:57:16,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:16,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895420217] [2022-11-23 15:57:16,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:16,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:17,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:17,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895420217] [2022-11-23 15:57:17,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895420217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:17,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:17,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:57:17,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803689633] [2022-11-23 15:57:17,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:17,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:57:17,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:17,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:57:17,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:17,629 INFO L87 Difference]: Start difference. First operand 25846 states and 74518 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:20,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:20,515 INFO L93 Difference]: Finished difference Result 30465 states and 88039 transitions. [2022-11-23 15:57:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:57:20,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 15:57:20,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:20,810 INFO L225 Difference]: With dead ends: 30465 [2022-11-23 15:57:20,810 INFO L226 Difference]: Without dead ends: 30465 [2022-11-23 15:57:20,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:20,817 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 121 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:20,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 73 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-23 15:57:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30465 states. [2022-11-23 15:57:21,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30465 to 29460. [2022-11-23 15:57:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29460 states, 29343 states have (on average 2.8999761442251986) internal successors, (85094), 29459 states have internal predecessors, (85094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:21,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29460 states to 29460 states and 85094 transitions. [2022-11-23 15:57:21,923 INFO L78 Accepts]: Start accepts. Automaton has 29460 states and 85094 transitions. Word has length 10 [2022-11-23 15:57:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:21,923 INFO L495 AbstractCegarLoop]: Abstraction has 29460 states and 85094 transitions. [2022-11-23 15:57:21,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29460 states and 85094 transitions. [2022-11-23 15:57:21,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:57:21,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:21,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:21,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:57:21,935 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:21,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:21,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1582711914, now seen corresponding path program 1 times [2022-11-23 15:57:21,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:21,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303488101] [2022-11-23 15:57:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:22,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:22,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:22,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303488101] [2022-11-23 15:57:22,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303488101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:22,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:22,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:57:22,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101506447] [2022-11-23 15:57:22,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:22,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:57:22,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:22,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:57:22,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:22,532 INFO L87 Difference]: Start difference. First operand 29460 states and 85094 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:24,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:24,522 INFO L93 Difference]: Finished difference Result 32807 states and 93941 transitions. [2022-11-23 15:57:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:57:24,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 15:57:24,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:24,646 INFO L225 Difference]: With dead ends: 32807 [2022-11-23 15:57:24,646 INFO L226 Difference]: Without dead ends: 32807 [2022-11-23 15:57:24,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:24,648 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 103 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:24,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 73 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-23 15:57:25,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32807 states. [2022-11-23 15:57:26,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32807 to 31876. [2022-11-23 15:57:26,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31876 states, 31759 states have (on average 2.9012878239239273) internal successors, (92142), 31875 states have internal predecessors, (92142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31876 states to 31876 states and 92142 transitions. [2022-11-23 15:57:26,527 INFO L78 Accepts]: Start accepts. Automaton has 31876 states and 92142 transitions. Word has length 11 [2022-11-23 15:57:26,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:26,529 INFO L495 AbstractCegarLoop]: Abstraction has 31876 states and 92142 transitions. [2022-11-23 15:57:26,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 31876 states and 92142 transitions. [2022-11-23 15:57:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:57:26,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:26,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:26,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:57:26,532 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:26,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1946539051, now seen corresponding path program 1 times [2022-11-23 15:57:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:26,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320424622] [2022-11-23 15:57:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:26,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:27,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:27,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320424622] [2022-11-23 15:57:27,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320424622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:27,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:27,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:57:27,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416930616] [2022-11-23 15:57:27,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:27,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:57:27,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:27,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:57:27,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:27,015 INFO L87 Difference]: Start difference. First operand 31876 states and 92142 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:29,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:29,739 INFO L93 Difference]: Finished difference Result 36770 states and 106431 transitions. [2022-11-23 15:57:29,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:57:29,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 15:57:29,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:30,099 INFO L225 Difference]: With dead ends: 36770 [2022-11-23 15:57:30,100 INFO L226 Difference]: Without dead ends: 36770 [2022-11-23 15:57:30,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:30,101 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 133 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:30,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 61 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:57:30,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36770 states. [2022-11-23 15:57:31,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36770 to 35518. [2022-11-23 15:57:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35518 states, 35401 states have (on average 2.902827603740007) internal successors, (102763), 35517 states have internal predecessors, (102763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35518 states to 35518 states and 102763 transitions. [2022-11-23 15:57:31,465 INFO L78 Accepts]: Start accepts. Automaton has 35518 states and 102763 transitions. Word has length 12 [2022-11-23 15:57:31,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:31,466 INFO L495 AbstractCegarLoop]: Abstraction has 35518 states and 102763 transitions. [2022-11-23 15:57:31,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 35518 states and 102763 transitions. [2022-11-23 15:57:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 15:57:31,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:31,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:31,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:57:31,469 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:31,471 INFO L85 PathProgramCache]: Analyzing trace with hash -928469045, now seen corresponding path program 1 times [2022-11-23 15:57:31,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:31,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228328394] [2022-11-23 15:57:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:31,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:31,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:31,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228328394] [2022-11-23 15:57:31,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228328394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:31,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:31,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:57:31,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252713347] [2022-11-23 15:57:31,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:31,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:57:31,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:31,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:57:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:31,951 INFO L87 Difference]: Start difference. First operand 35518 states and 102763 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:33,877 INFO L93 Difference]: Finished difference Result 38728 states and 112137 transitions. [2022-11-23 15:57:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:57:33,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 15:57:33,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:34,039 INFO L225 Difference]: With dead ends: 38728 [2022-11-23 15:57:34,039 INFO L226 Difference]: Without dead ends: 38728 [2022-11-23 15:57:34,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:57:34,040 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 98 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:34,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 71 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 15:57:34,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38728 states. [2022-11-23 15:57:35,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38728 to 37928. [2022-11-23 15:57:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37928 states, 37812 states have (on average 2.9037078176240345) internal successors, (109795), 37927 states have internal predecessors, (109795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37928 states to 37928 states and 109795 transitions. [2022-11-23 15:57:35,495 INFO L78 Accepts]: Start accepts. Automaton has 37928 states and 109795 transitions. Word has length 13 [2022-11-23 15:57:35,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:35,496 INFO L495 AbstractCegarLoop]: Abstraction has 37928 states and 109795 transitions. [2022-11-23 15:57:35,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 37928 states and 109795 transitions. [2022-11-23 15:57:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:57:35,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:35,499 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:35,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:57:35,499 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:35,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:35,500 INFO L85 PathProgramCache]: Analyzing trace with hash -6081689, now seen corresponding path program 1 times [2022-11-23 15:57:35,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:35,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695379743] [2022-11-23 15:57:35,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:35,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:35,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:35,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:35,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695379743] [2022-11-23 15:57:35,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695379743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:35,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:35,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:57:35,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956118782] [2022-11-23 15:57:35,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:35,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:57:35,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:35,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:57:35,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:57:35,612 INFO L87 Difference]: Start difference. First operand 37928 states and 109795 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:36,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:36,146 INFO L93 Difference]: Finished difference Result 10051 states and 28229 transitions. [2022-11-23 15:57:36,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:57:36,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:57:36,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:36,173 INFO L225 Difference]: With dead ends: 10051 [2022-11-23 15:57:36,173 INFO L226 Difference]: Without dead ends: 10051 [2022-11-23 15:57:36,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:57:36,174 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 48 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:36,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 159 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:57:36,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10051 states. [2022-11-23 15:57:36,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10051 to 10051. [2022-11-23 15:57:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10051 states, 10014 states have (on average 2.8189534651487915) internal successors, (28229), 10050 states have internal predecessors, (28229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10051 states to 10051 states and 28229 transitions. [2022-11-23 15:57:36,371 INFO L78 Accepts]: Start accepts. Automaton has 10051 states and 28229 transitions. Word has length 15 [2022-11-23 15:57:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:36,371 INFO L495 AbstractCegarLoop]: Abstraction has 10051 states and 28229 transitions. [2022-11-23 15:57:36,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 10051 states and 28229 transitions. [2022-11-23 15:57:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:57:36,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:36,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:36,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:57:36,374 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:36,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:36,375 INFO L85 PathProgramCache]: Analyzing trace with hash -445078880, now seen corresponding path program 1 times [2022-11-23 15:57:36,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:36,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320913489] [2022-11-23 15:57:36,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:37,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:37,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320913489] [2022-11-23 15:57:37,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320913489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:37,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:37,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:57:37,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836779939] [2022-11-23 15:57:37,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:37,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:57:37,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:37,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:57:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:57:37,323 INFO L87 Difference]: Start difference. First operand 10051 states and 28229 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:41,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:41,183 INFO L93 Difference]: Finished difference Result 13644 states and 37793 transitions. [2022-11-23 15:57:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:57:41,184 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:57:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:41,218 INFO L225 Difference]: With dead ends: 13644 [2022-11-23 15:57:41,218 INFO L226 Difference]: Without dead ends: 13644 [2022-11-23 15:57:41,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:57:41,220 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 295 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:41,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 78 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1638 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-23 15:57:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13644 states. [2022-11-23 15:57:41,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13644 to 10635. [2022-11-23 15:57:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10635 states, 10598 states have (on average 2.826665408567654) internal successors, (29957), 10634 states have internal predecessors, (29957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10635 states to 10635 states and 29957 transitions. [2022-11-23 15:57:41,467 INFO L78 Accepts]: Start accepts. Automaton has 10635 states and 29957 transitions. Word has length 15 [2022-11-23 15:57:41,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:41,468 INFO L495 AbstractCegarLoop]: Abstraction has 10635 states and 29957 transitions. [2022-11-23 15:57:41,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 10635 states and 29957 transitions. [2022-11-23 15:57:41,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:57:41,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:41,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:41,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 15:57:41,470 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:41,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:41,470 INFO L85 PathProgramCache]: Analyzing trace with hash -621252382, now seen corresponding path program 1 times [2022-11-23 15:57:41,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:41,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954613362] [2022-11-23 15:57:41,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:41,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:42,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:42,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954613362] [2022-11-23 15:57:42,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954613362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:42,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:42,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:57:42,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437215791] [2022-11-23 15:57:42,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:42,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:57:42,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:42,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:57:42,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:57:42,251 INFO L87 Difference]: Start difference. First operand 10635 states and 29957 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:44,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:44,797 INFO L93 Difference]: Finished difference Result 11681 states and 32898 transitions. [2022-11-23 15:57:44,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:57:44,798 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:57:44,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:44,822 INFO L225 Difference]: With dead ends: 11681 [2022-11-23 15:57:44,822 INFO L226 Difference]: Without dead ends: 11681 [2022-11-23 15:57:44,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:57:44,823 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 255 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:44,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 73 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 15:57:44,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11681 states. [2022-11-23 15:57:44,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11681 to 10455. [2022-11-23 15:57:45,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10455 states, 10418 states have (on average 2.8255903244384717) internal successors, (29437), 10454 states have internal predecessors, (29437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10455 states to 10455 states and 29437 transitions. [2022-11-23 15:57:45,029 INFO L78 Accepts]: Start accepts. Automaton has 10455 states and 29437 transitions. Word has length 15 [2022-11-23 15:57:45,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:45,029 INFO L495 AbstractCegarLoop]: Abstraction has 10455 states and 29437 transitions. [2022-11-23 15:57:45,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 10455 states and 29437 transitions. [2022-11-23 15:57:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:57:45,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:45,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:45,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 15:57:45,032 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:45,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:45,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1088825348, now seen corresponding path program 2 times [2022-11-23 15:57:45,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:45,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493132761] [2022-11-23 15:57:45,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:45,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:45,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:45,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493132761] [2022-11-23 15:57:45,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493132761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:45,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:45,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:57:45,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158016862] [2022-11-23 15:57:45,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:45,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:57:45,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:45,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:57:45,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:57:45,772 INFO L87 Difference]: Start difference. First operand 10455 states and 29437 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:49,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:49,753 INFO L93 Difference]: Finished difference Result 15830 states and 43312 transitions. [2022-11-23 15:57:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:57:49,754 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:57:49,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:49,796 INFO L225 Difference]: With dead ends: 15830 [2022-11-23 15:57:49,796 INFO L226 Difference]: Without dead ends: 15830 [2022-11-23 15:57:49,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:57:49,797 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 266 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:49,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 60 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-23 15:57:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15830 states. [2022-11-23 15:57:49,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15830 to 10455. [2022-11-23 15:57:50,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10455 states, 10418 states have (on average 2.8255903244384717) internal successors, (29437), 10454 states have internal predecessors, (29437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10455 states to 10455 states and 29437 transitions. [2022-11-23 15:57:50,044 INFO L78 Accepts]: Start accepts. Automaton has 10455 states and 29437 transitions. Word has length 15 [2022-11-23 15:57:50,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:50,045 INFO L495 AbstractCegarLoop]: Abstraction has 10455 states and 29437 transitions. [2022-11-23 15:57:50,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 10455 states and 29437 transitions. [2022-11-23 15:57:50,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:57:50,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:50,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:50,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 15:57:50,049 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:50,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:50,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1605999456, now seen corresponding path program 3 times [2022-11-23 15:57:50,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:50,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352625670] [2022-11-23 15:57:50,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:50,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:50,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:50,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352625670] [2022-11-23 15:57:50,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352625670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:50,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:50,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:57:50,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488892598] [2022-11-23 15:57:50,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:50,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:57:50,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:50,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:57:50,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:57:50,760 INFO L87 Difference]: Start difference. First operand 10455 states and 29437 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:54,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:54,536 INFO L93 Difference]: Finished difference Result 17585 states and 48436 transitions. [2022-11-23 15:57:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:57:54,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:57:54,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:54,583 INFO L225 Difference]: With dead ends: 17585 [2022-11-23 15:57:54,583 INFO L226 Difference]: Without dead ends: 17585 [2022-11-23 15:57:54,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:57:54,584 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 277 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:54,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 61 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-23 15:57:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17585 states. [2022-11-23 15:57:54,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17585 to 10455. [2022-11-23 15:57:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10455 states, 10418 states have (on average 2.8255903244384717) internal successors, (29437), 10454 states have internal predecessors, (29437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10455 states to 10455 states and 29437 transitions. [2022-11-23 15:57:54,836 INFO L78 Accepts]: Start accepts. Automaton has 10455 states and 29437 transitions. Word has length 15 [2022-11-23 15:57:54,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:54,836 INFO L495 AbstractCegarLoop]: Abstraction has 10455 states and 29437 transitions. [2022-11-23 15:57:54,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 10455 states and 29437 transitions. [2022-11-23 15:57:54,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:57:54,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:54,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:54,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 15:57:54,840 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:54,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:54,841 INFO L85 PathProgramCache]: Analyzing trace with hash 852352900, now seen corresponding path program 4 times [2022-11-23 15:57:54,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:54,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501980439] [2022-11-23 15:57:54,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:54,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:55,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:55,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501980439] [2022-11-23 15:57:55,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501980439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:55,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:55,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:57:55,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131308466] [2022-11-23 15:57:55,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:55,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:57:55,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:55,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:57:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:57:55,534 INFO L87 Difference]: Start difference. First operand 10455 states and 29437 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:59,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:59,020 INFO L93 Difference]: Finished difference Result 18155 states and 50080 transitions. [2022-11-23 15:57:59,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:57:59,021 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:57:59,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:59,068 INFO L225 Difference]: With dead ends: 18155 [2022-11-23 15:57:59,068 INFO L226 Difference]: Without dead ends: 18155 [2022-11-23 15:57:59,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:57:59,076 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 361 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:59,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 60 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:57:59,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18155 states. [2022-11-23 15:57:59,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18155 to 9855. [2022-11-23 15:57:59,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9855 states, 9818 states have (on average 2.81778366266042) internal successors, (27665), 9854 states have internal predecessors, (27665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9855 states to 9855 states and 27665 transitions. [2022-11-23 15:57:59,322 INFO L78 Accepts]: Start accepts. Automaton has 9855 states and 27665 transitions. Word has length 15 [2022-11-23 15:57:59,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:59,322 INFO L495 AbstractCegarLoop]: Abstraction has 9855 states and 27665 transitions. [2022-11-23 15:57:59,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:57:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 9855 states and 27665 transitions. [2022-11-23 15:57:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:57:59,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:59,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:59,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:57:59,326 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:57:59,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:59,326 INFO L85 PathProgramCache]: Analyzing trace with hash -634686509, now seen corresponding path program 1 times [2022-11-23 15:57:59,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:59,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190923778] [2022-11-23 15:57:59,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:59,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:57:59,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:59,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190923778] [2022-11-23 15:57:59,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190923778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:59,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:59,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:57:59,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704437078] [2022-11-23 15:57:59,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:59,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:57:59,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:59,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:57:59,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:57:59,905 INFO L87 Difference]: Start difference. First operand 9855 states and 27665 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:02,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:02,887 INFO L93 Difference]: Finished difference Result 10979 states and 30822 transitions. [2022-11-23 15:58:02,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:58:02,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:58:02,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:02,925 INFO L225 Difference]: With dead ends: 10979 [2022-11-23 15:58:02,925 INFO L226 Difference]: Without dead ends: 10979 [2022-11-23 15:58:02,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:58:02,926 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 269 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:02,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 63 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-23 15:58:02,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10979 states. [2022-11-23 15:58:03,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10979 to 10050. [2022-11-23 15:58:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10050 states, 10013 states have (on average 2.8218316188954358) internal successors, (28255), 10049 states have internal predecessors, (28255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10050 states to 10050 states and 28255 transitions. [2022-11-23 15:58:03,194 INFO L78 Accepts]: Start accepts. Automaton has 10050 states and 28255 transitions. Word has length 15 [2022-11-23 15:58:03,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:03,195 INFO L495 AbstractCegarLoop]: Abstraction has 10050 states and 28255 transitions. [2022-11-23 15:58:03,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 10050 states and 28255 transitions. [2022-11-23 15:58:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:58:03,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:03,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:03,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 15:58:03,197 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:03,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:03,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1309347781, now seen corresponding path program 1 times [2022-11-23 15:58:03,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:03,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607333458] [2022-11-23 15:58:03,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:03,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:03,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607333458] [2022-11-23 15:58:03,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607333458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:03,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:03,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:58:03,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338401023] [2022-11-23 15:58:03,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:03,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:58:03,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:03,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:58:03,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:58:03,893 INFO L87 Difference]: Start difference. First operand 10050 states and 28255 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:06,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:06,790 INFO L93 Difference]: Finished difference Result 15621 states and 43528 transitions. [2022-11-23 15:58:06,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:58:06,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:58:06,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:06,842 INFO L225 Difference]: With dead ends: 15621 [2022-11-23 15:58:06,842 INFO L226 Difference]: Without dead ends: 15621 [2022-11-23 15:58:06,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:58:06,843 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 297 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:06,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 64 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-23 15:58:06,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15621 states. [2022-11-23 15:58:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15621 to 13490. [2022-11-23 15:58:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13490 states, 13453 states have (on average 2.885824723110087) internal successors, (38823), 13489 states have internal predecessors, (38823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13490 states to 13490 states and 38823 transitions. [2022-11-23 15:58:07,217 INFO L78 Accepts]: Start accepts. Automaton has 13490 states and 38823 transitions. Word has length 15 [2022-11-23 15:58:07,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:07,218 INFO L495 AbstractCegarLoop]: Abstraction has 13490 states and 38823 transitions. [2022-11-23 15:58:07,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 13490 states and 38823 transitions. [2022-11-23 15:58:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:58:07,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:07,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:07,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 15:58:07,223 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:07,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:07,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1114260831, now seen corresponding path program 2 times [2022-11-23 15:58:07,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:07,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846398024] [2022-11-23 15:58:07,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:07,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:07,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:07,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846398024] [2022-11-23 15:58:07,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846398024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:07,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:07,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:58:07,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391834402] [2022-11-23 15:58:07,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:07,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:58:07,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:07,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:58:07,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:58:07,990 INFO L87 Difference]: Start difference. First operand 13490 states and 38823 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:12,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:12,409 INFO L93 Difference]: Finished difference Result 17810 states and 49243 transitions. [2022-11-23 15:58:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:58:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:58:12,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:12,465 INFO L225 Difference]: With dead ends: 17810 [2022-11-23 15:58:12,465 INFO L226 Difference]: Without dead ends: 17810 [2022-11-23 15:58:12,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:58:12,466 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 349 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:12,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 53 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-23 15:58:12,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17810 states. [2022-11-23 15:58:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17810 to 13650. [2022-11-23 15:58:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13650 states, 13613 states have (on average 2.8865790053625213) internal successors, (39295), 13649 states have internal predecessors, (39295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13650 states to 13650 states and 39295 transitions. [2022-11-23 15:58:12,869 INFO L78 Accepts]: Start accepts. Automaton has 13650 states and 39295 transitions. Word has length 15 [2022-11-23 15:58:12,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:12,870 INFO L495 AbstractCegarLoop]: Abstraction has 13650 states and 39295 transitions. [2022-11-23 15:58:12,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 13650 states and 39295 transitions. [2022-11-23 15:58:12,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:58:12,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:12,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:12,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 15:58:12,873 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:12,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:12,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1916534809, now seen corresponding path program 3 times [2022-11-23 15:58:12,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:12,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833863228] [2022-11-23 15:58:12,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:12,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:13,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:13,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833863228] [2022-11-23 15:58:13,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833863228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:13,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:13,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:58:13,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599550511] [2022-11-23 15:58:13,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:13,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:58:13,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:13,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:58:13,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:58:13,589 INFO L87 Difference]: Start difference. First operand 13650 states and 39295 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:18,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:18,198 INFO L93 Difference]: Finished difference Result 19559 states and 54349 transitions. [2022-11-23 15:58:18,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:58:18,199 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:58:18,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:18,251 INFO L225 Difference]: With dead ends: 19559 [2022-11-23 15:58:18,251 INFO L226 Difference]: Without dead ends: 19559 [2022-11-23 15:58:18,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:58:18,251 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 261 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:18,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 46 Invalid, 1917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-23 15:58:18,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19559 states. [2022-11-23 15:58:18,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19559 to 13650. [2022-11-23 15:58:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13650 states, 13613 states have (on average 2.8865790053625213) internal successors, (39295), 13649 states have internal predecessors, (39295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13650 states to 13650 states and 39295 transitions. [2022-11-23 15:58:18,556 INFO L78 Accepts]: Start accepts. Automaton has 13650 states and 39295 transitions. Word has length 15 [2022-11-23 15:58:18,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:18,557 INFO L495 AbstractCegarLoop]: Abstraction has 13650 states and 39295 transitions. [2022-11-23 15:58:18,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 13650 states and 39295 transitions. [2022-11-23 15:58:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:58:18,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:18,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:18,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 15:58:18,560 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:18,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:18,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1554047425, now seen corresponding path program 4 times [2022-11-23 15:58:18,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:18,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28069382] [2022-11-23 15:58:18,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:18,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:19,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:19,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28069382] [2022-11-23 15:58:19,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28069382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:19,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:19,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:58:19,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198922529] [2022-11-23 15:58:19,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:19,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:58:19,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:19,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:58:19,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:58:19,081 INFO L87 Difference]: Start difference. First operand 13650 states and 39295 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:22,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:22,734 INFO L93 Difference]: Finished difference Result 20133 states and 56005 transitions. [2022-11-23 15:58:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:58:22,735 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:58:22,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:22,791 INFO L225 Difference]: With dead ends: 20133 [2022-11-23 15:58:22,792 INFO L226 Difference]: Without dead ends: 20133 [2022-11-23 15:58:22,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:58:22,792 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 368 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:22,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 43 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-23 15:58:22,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states. [2022-11-23 15:58:23,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 13218. [2022-11-23 15:58:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13218 states, 13181 states have (on average 2.884379030422578) internal successors, (38019), 13217 states have internal predecessors, (38019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13218 states to 13218 states and 38019 transitions. [2022-11-23 15:58:23,174 INFO L78 Accepts]: Start accepts. Automaton has 13218 states and 38019 transitions. Word has length 15 [2022-11-23 15:58:23,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:23,174 INFO L495 AbstractCegarLoop]: Abstraction has 13218 states and 38019 transitions. [2022-11-23 15:58:23,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 13218 states and 38019 transitions. [2022-11-23 15:58:23,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:58:23,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:23,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:23,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 15:58:23,177 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:23,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:23,177 INFO L85 PathProgramCache]: Analyzing trace with hash -558258409, now seen corresponding path program 1 times [2022-11-23 15:58:23,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:23,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593104954] [2022-11-23 15:58:23,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:23,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:23,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:23,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593104954] [2022-11-23 15:58:23,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593104954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:23,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:23,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:58:23,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856158794] [2022-11-23 15:58:23,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:23,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:58:23,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:23,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:58:23,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:58:23,748 INFO L87 Difference]: Start difference. First operand 13218 states and 38019 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:24,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:24,344 INFO L93 Difference]: Finished difference Result 13489 states and 38296 transitions. [2022-11-23 15:58:24,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:58:24,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:58:24,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:24,396 INFO L225 Difference]: With dead ends: 13489 [2022-11-23 15:58:24,396 INFO L226 Difference]: Without dead ends: 13489 [2022-11-23 15:58:24,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:58:24,396 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 49 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:24,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 115 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:58:24,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13489 states. [2022-11-23 15:58:24,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13489 to 13082. [2022-11-23 15:58:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13082 states, 13043 states have (on average 2.8707352602928773) internal successors, (37443), 13081 states have internal predecessors, (37443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13082 states to 13082 states and 37443 transitions. [2022-11-23 15:58:24,706 INFO L78 Accepts]: Start accepts. Automaton has 13082 states and 37443 transitions. Word has length 16 [2022-11-23 15:58:24,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:24,707 INFO L495 AbstractCegarLoop]: Abstraction has 13082 states and 37443 transitions. [2022-11-23 15:58:24,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13082 states and 37443 transitions. [2022-11-23 15:58:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:58:24,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:24,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:24,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 15:58:24,709 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:24,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:24,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1478371312, now seen corresponding path program 1 times [2022-11-23 15:58:24,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:24,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469817877] [2022-11-23 15:58:24,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:24,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:25,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:25,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469817877] [2022-11-23 15:58:25,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469817877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:25,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:25,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:58:25,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482420469] [2022-11-23 15:58:25,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:25,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:58:25,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:25,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:58:25,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:25,118 INFO L87 Difference]: Start difference. First operand 13082 states and 37443 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:26,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:26,837 INFO L93 Difference]: Finished difference Result 15207 states and 43591 transitions. [2022-11-23 15:58:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:58:26,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:58:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:26,880 INFO L225 Difference]: With dead ends: 15207 [2022-11-23 15:58:26,880 INFO L226 Difference]: Without dead ends: 15207 [2022-11-23 15:58:26,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:26,881 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 70 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:26,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 70 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 15:58:26,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15207 states. [2022-11-23 15:58:27,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15207 to 14391. [2022-11-23 15:58:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14391 states, 14353 states have (on average 2.8722218351564135) internal successors, (41225), 14390 states have internal predecessors, (41225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14391 states to 14391 states and 41225 transitions. [2022-11-23 15:58:27,242 INFO L78 Accepts]: Start accepts. Automaton has 14391 states and 41225 transitions. Word has length 16 [2022-11-23 15:58:27,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:27,242 INFO L495 AbstractCegarLoop]: Abstraction has 14391 states and 41225 transitions. [2022-11-23 15:58:27,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 14391 states and 41225 transitions. [2022-11-23 15:58:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:58:27,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:27,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:27,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 15:58:27,245 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:27,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:27,246 INFO L85 PathProgramCache]: Analyzing trace with hash 49494963, now seen corresponding path program 2 times [2022-11-23 15:58:27,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:27,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340632635] [2022-11-23 15:58:27,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:27,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:27,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:27,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340632635] [2022-11-23 15:58:27,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340632635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:27,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:27,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:58:27,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109759143] [2022-11-23 15:58:27,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:27,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:58:27,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:58:27,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:58:27,779 INFO L87 Difference]: Start difference. First operand 14391 states and 41225 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:28,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:28,255 INFO L93 Difference]: Finished difference Result 1767 states and 3797 transitions. [2022-11-23 15:58:28,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:58:28,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-23 15:58:28,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:28,261 INFO L225 Difference]: With dead ends: 1767 [2022-11-23 15:58:28,261 INFO L226 Difference]: Without dead ends: 1767 [2022-11-23 15:58:28,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:58:28,262 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 38 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:28,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 99 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:58:28,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2022-11-23 15:58:28,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1631. [2022-11-23 15:58:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1614 states have (on average 2.146840148698885) internal successors, (3465), 1630 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 3465 transitions. [2022-11-23 15:58:28,303 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 3465 transitions. Word has length 16 [2022-11-23 15:58:28,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:28,304 INFO L495 AbstractCegarLoop]: Abstraction has 1631 states and 3465 transitions. [2022-11-23 15:58:28,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 3465 transitions. [2022-11-23 15:58:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:58:28,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:28,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:28,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 15:58:28,307 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:28,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1947263593, now seen corresponding path program 1 times [2022-11-23 15:58:28,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:28,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423562443] [2022-11-23 15:58:28,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:28,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:28,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:28,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423562443] [2022-11-23 15:58:28,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423562443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:28,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:28,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:58:28,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354635794] [2022-11-23 15:58:28,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:28,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:58:28,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:28,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:58:28,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:28,748 INFO L87 Difference]: Start difference. First operand 1631 states and 3465 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:29,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:29,913 INFO L93 Difference]: Finished difference Result 1593 states and 3384 transitions. [2022-11-23 15:58:29,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:58:29,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-23 15:58:29,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:29,916 INFO L225 Difference]: With dead ends: 1593 [2022-11-23 15:58:29,916 INFO L226 Difference]: Without dead ends: 1593 [2022-11-23 15:58:29,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:29,917 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:29,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 55 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 15:58:29,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-11-23 15:58:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1593. [2022-11-23 15:58:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1580 states have (on average 2.141772151898734) internal successors, (3384), 1592 states have internal predecessors, (3384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 3384 transitions. [2022-11-23 15:58:29,945 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 3384 transitions. Word has length 18 [2022-11-23 15:58:29,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:29,945 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 3384 transitions. [2022-11-23 15:58:29,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 3384 transitions. [2022-11-23 15:58:29,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 15:58:29,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:29,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:29,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-23 15:58:29,947 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:29,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:29,948 INFO L85 PathProgramCache]: Analyzing trace with hash 171826040, now seen corresponding path program 1 times [2022-11-23 15:58:29,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:29,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561918383] [2022-11-23 15:58:29,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:29,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:30,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:30,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561918383] [2022-11-23 15:58:30,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561918383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:30,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:30,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:58:30,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589225533] [2022-11-23 15:58:30,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:30,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:58:30,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:30,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:58:30,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:30,362 INFO L87 Difference]: Start difference. First operand 1593 states and 3384 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:30,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:30,928 INFO L93 Difference]: Finished difference Result 1592 states and 3383 transitions. [2022-11-23 15:58:30,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:58:30,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-23 15:58:30,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:30,932 INFO L225 Difference]: With dead ends: 1592 [2022-11-23 15:58:30,932 INFO L226 Difference]: Without dead ends: 1592 [2022-11-23 15:58:30,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:30,933 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 32 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:30,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 47 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:58:30,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2022-11-23 15:58:30,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1592. [2022-11-23 15:58:30,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1580 states have (on average 2.141139240506329) internal successors, (3383), 1591 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 3383 transitions. [2022-11-23 15:58:30,963 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 3383 transitions. Word has length 19 [2022-11-23 15:58:30,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:30,963 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 3383 transitions. [2022-11-23 15:58:30,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 3383 transitions. [2022-11-23 15:58:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 15:58:30,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:30,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:30,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-23 15:58:30,965 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:30,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:30,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1454633212, now seen corresponding path program 1 times [2022-11-23 15:58:30,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:30,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773672608] [2022-11-23 15:58:30,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:30,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:31,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:31,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773672608] [2022-11-23 15:58:31,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773672608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:31,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:31,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:58:31,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609381585] [2022-11-23 15:58:31,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:31,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:58:31,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:31,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:58:31,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:31,371 INFO L87 Difference]: Start difference. First operand 1592 states and 3383 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:32,342 INFO L93 Difference]: Finished difference Result 1656 states and 3516 transitions. [2022-11-23 15:58:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:58:32,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-23 15:58:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:32,346 INFO L225 Difference]: With dead ends: 1656 [2022-11-23 15:58:32,346 INFO L226 Difference]: Without dead ends: 1656 [2022-11-23 15:58:32,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:32,347 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 28 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:32,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 59 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 15:58:32,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2022-11-23 15:58:32,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1656. [2022-11-23 15:58:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1644 states have (on average 2.1386861313868613) internal successors, (3516), 1655 states have internal predecessors, (3516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 3516 transitions. [2022-11-23 15:58:32,384 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 3516 transitions. Word has length 22 [2022-11-23 15:58:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:32,384 INFO L495 AbstractCegarLoop]: Abstraction has 1656 states and 3516 transitions. [2022-11-23 15:58:32,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 3516 transitions. [2022-11-23 15:58:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:58:32,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:32,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:32,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-23 15:58:32,386 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:32,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:32,387 INFO L85 PathProgramCache]: Analyzing trace with hash 133518483, now seen corresponding path program 1 times [2022-11-23 15:58:32,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:32,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449528572] [2022-11-23 15:58:32,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:32,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:32,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:32,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449528572] [2022-11-23 15:58:32,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449528572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:32,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:32,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:58:32,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385169349] [2022-11-23 15:58:32,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:32,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:58:32,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:32,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:58:32,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:32,824 INFO L87 Difference]: Start difference. First operand 1656 states and 3516 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:34,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:34,099 INFO L93 Difference]: Finished difference Result 1792 states and 3798 transitions. [2022-11-23 15:58:34,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:58:34,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-23 15:58:34,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:34,103 INFO L225 Difference]: With dead ends: 1792 [2022-11-23 15:58:34,103 INFO L226 Difference]: Without dead ends: 1792 [2022-11-23 15:58:34,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:34,104 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:34,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 56 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:58:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2022-11-23 15:58:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1758. [2022-11-23 15:58:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1758 states, 1746 states have (on average 2.1334478808705613) internal successors, (3725), 1757 states have internal predecessors, (3725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 3725 transitions. [2022-11-23 15:58:34,136 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 3725 transitions. Word has length 24 [2022-11-23 15:58:34,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:34,136 INFO L495 AbstractCegarLoop]: Abstraction has 1758 states and 3725 transitions. [2022-11-23 15:58:34,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3725 transitions. [2022-11-23 15:58:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 15:58:34,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:34,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:34,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-23 15:58:34,138 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:34,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:34,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2145039199, now seen corresponding path program 1 times [2022-11-23 15:58:34,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:34,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695248975] [2022-11-23 15:58:34,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:34,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:34,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:34,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695248975] [2022-11-23 15:58:34,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695248975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:34,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:34,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:58:34,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468690270] [2022-11-23 15:58:34,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:34,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:58:34,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:34,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:58:34,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:34,585 INFO L87 Difference]: Start difference. First operand 1758 states and 3725 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:35,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:35,082 INFO L93 Difference]: Finished difference Result 1757 states and 3724 transitions. [2022-11-23 15:58:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:58:35,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-23 15:58:35,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:35,085 INFO L225 Difference]: With dead ends: 1757 [2022-11-23 15:58:35,085 INFO L226 Difference]: Without dead ends: 1710 [2022-11-23 15:58:35,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:58:35,086 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 30 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:35,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 48 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:58:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-11-23 15:58:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1710. [2022-11-23 15:58:35,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1699 states have (on average 2.150088287227781) internal successors, (3653), 1709 states have internal predecessors, (3653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 3653 transitions. [2022-11-23 15:58:35,118 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 3653 transitions. Word has length 25 [2022-11-23 15:58:35,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:35,118 INFO L495 AbstractCegarLoop]: Abstraction has 1710 states and 3653 transitions. [2022-11-23 15:58:35,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 3653 transitions. [2022-11-23 15:58:35,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 15:58:35,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:35,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:35,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-23 15:58:35,121 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:35,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:35,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1667447098, now seen corresponding path program 1 times [2022-11-23 15:58:35,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:35,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577563653] [2022-11-23 15:58:35,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:35,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:35,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:35,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577563653] [2022-11-23 15:58:35,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577563653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:35,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:35,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:58:35,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213631565] [2022-11-23 15:58:35,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:35,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:58:35,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:35,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:58:35,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:58:35,798 INFO L87 Difference]: Start difference. First operand 1710 states and 3653 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:36,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:36,514 INFO L93 Difference]: Finished difference Result 1691 states and 3605 transitions. [2022-11-23 15:58:36,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:58:36,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-23 15:58:36,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:36,518 INFO L225 Difference]: With dead ends: 1691 [2022-11-23 15:58:36,518 INFO L226 Difference]: Without dead ends: 1691 [2022-11-23 15:58:36,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:58:36,519 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 131 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:36,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 58 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:58:36,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2022-11-23 15:58:36,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1615. [2022-11-23 15:58:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1607 states have (on average 2.1437461107654014) internal successors, (3445), 1614 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 3445 transitions. [2022-11-23 15:58:36,551 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 3445 transitions. Word has length 27 [2022-11-23 15:58:36,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:36,551 INFO L495 AbstractCegarLoop]: Abstraction has 1615 states and 3445 transitions. [2022-11-23 15:58:36,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 3445 transitions. [2022-11-23 15:58:36,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 15:58:36,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:36,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:36,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-23 15:58:36,554 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:36,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:36,554 INFO L85 PathProgramCache]: Analyzing trace with hash 600219647, now seen corresponding path program 1 times [2022-11-23 15:58:36,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:36,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576232853] [2022-11-23 15:58:36,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:36,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:37,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:37,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576232853] [2022-11-23 15:58:37,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576232853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:37,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:37,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:58:37,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678506683] [2022-11-23 15:58:37,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:37,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:58:37,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:37,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:58:37,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:58:37,010 INFO L87 Difference]: Start difference. First operand 1615 states and 3445 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:37,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:37,686 INFO L93 Difference]: Finished difference Result 1598 states and 3399 transitions. [2022-11-23 15:58:37,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:58:37,687 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-23 15:58:37,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:37,690 INFO L225 Difference]: With dead ends: 1598 [2022-11-23 15:58:37,690 INFO L226 Difference]: Without dead ends: 1598 [2022-11-23 15:58:37,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:58:37,695 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 162 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:37,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 55 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:58:37,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2022-11-23 15:58:37,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1505. [2022-11-23 15:58:37,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1499 states have (on average 2.1360907271514344) internal successors, (3202), 1504 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 3202 transitions. [2022-11-23 15:58:37,726 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 3202 transitions. Word has length 27 [2022-11-23 15:58:37,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:37,726 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 3202 transitions. [2022-11-23 15:58:37,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:37,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 3202 transitions. [2022-11-23 15:58:37,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-23 15:58:37,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:37,730 INFO L195 NwaCegarLoop]: 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] [2022-11-23 15:58:37,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-23 15:58:37,730 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:37,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2065275639, now seen corresponding path program 1 times [2022-11-23 15:58:37,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:37,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626776552] [2022-11-23 15:58:37,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:37,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:58:39,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:39,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626776552] [2022-11-23 15:58:39,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626776552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:39,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:39,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:58:39,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044563162] [2022-11-23 15:58:39,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:39,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:58:39,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:39,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:58:39,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:58:39,131 INFO L87 Difference]: Start difference. First operand 1505 states and 3202 transitions. Second operand has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:41,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:41,046 INFO L93 Difference]: Finished difference Result 2397 states and 4906 transitions. [2022-11-23 15:58:41,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 15:58:41,046 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-23 15:58:41,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:41,051 INFO L225 Difference]: With dead ends: 2397 [2022-11-23 15:58:41,051 INFO L226 Difference]: Without dead ends: 2397 [2022-11-23 15:58:41,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:58:41,052 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 278 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:41,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 63 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 15:58:41,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2022-11-23 15:58:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 1659. [2022-11-23 15:58:41,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1653 states have (on average 2.1681790683605566) internal successors, (3584), 1658 states have internal predecessors, (3584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 3584 transitions. [2022-11-23 15:58:41,091 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 3584 transitions. Word has length 36 [2022-11-23 15:58:41,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:41,092 INFO L495 AbstractCegarLoop]: Abstraction has 1659 states and 3584 transitions. [2022-11-23 15:58:41,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:58:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 3584 transitions. [2022-11-23 15:58:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-23 15:58:41,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:41,094 INFO L195 NwaCegarLoop]: 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] [2022-11-23 15:58:41,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-23 15:58:41,094 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-23 15:58:41,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:41,095 INFO L85 PathProgramCache]: Analyzing trace with hash 644467555, now seen corresponding path program 2 times [2022-11-23 15:58:41,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:41,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104034273] [2022-11-23 15:58:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat